CA2486671A1 - Network type content reproducing system - Google Patents

Network type content reproducing system Download PDF

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Publication number
CA2486671A1
CA2486671A1 CA002486671A CA2486671A CA2486671A1 CA 2486671 A1 CA2486671 A1 CA 2486671A1 CA 002486671 A CA002486671 A CA 002486671A CA 2486671 A CA2486671 A CA 2486671A CA 2486671 A1 CA2486671 A1 CA 2486671A1
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Canada
Prior art keywords
client
content
server
list
reproducing
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Granted
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CA002486671A
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French (fr)
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CA2486671C (en
Inventor
Fumiaki Kawamura
Youichi Kudoh
Susumu Takemura
Yasushi Ikeda
Toshinobu Sano
Hiroko Yoshizaki
Takahiro Chiba
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Onkyo Corp
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Individual
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Publication of CA2486671A1 publication Critical patent/CA2486671A1/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/437—Interfacing the upstream path of the transmission network, e.g. for transmitting client requests to a VOD server
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
    • G10H1/0058—Transmission between separate instruments or between individual components of a musical system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
    • G06F16/68—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/686—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using information manually generated, e.g. tags, keywords, comments, title or artist information, time, location or usage information, user ratings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements

Abstract

The network type audio system includes a content server storing a large number of music data pieces, an audio client reproducing music, and a controller monitoring and controlling the audio client through the content server. The audio client requests the server to provide the music data of a music piece selected in response to the user's operation. The content server returns the music data of the selected music piece in response to the request from the audio client. The music data is distributed from the content server to the audio client on the basis of a specified amount. The audio client notifies the content server of its status. The content server notifies the controller of the status of the audio client. The controller displays the status. The controller also instructs the audio client to reproduce the music piece selected in response to the user's operation through the content server.

Claims (177)

1. (Deleted)
2. A network type content reproducing system comprising a server and at least one client connected to said server, said server comprising storage means for storing a plurality of contents, said client comprising content list request means for requesting said server to provide a content list of a plurality of contents, said server further comprising content list returning means responsive to the request from said first client for returning said content list, and said client further comprising content list receiving means for receiving the content list returned from said server.
3. The network type content reproducing system according to claim 2, wherein said content list request means requests said server to provide a specified amount of a content list, and said content list returning means returns said specified amount of the content list in response to the request from said client.
4. The network type content reproducing system according to claim 3, wherein said content list request means transmits a list request command including an obtaining start index indicating the first content to be obtained from said server by said client and an obtaining number indicating the number of contents to be obtained from said server by said client, and said content list returning means returns the content list of contents as many as said obtaining number starting from the first content indicated by said obtaining start index in response to said list request command.
5. The network type content reproducing system according to claim 4, wherein said content list returning means further returns the number of contents included in said content list to be returned and the number of the remaining contents left out of said content list to be returned.
6. The network type content reproducing system according to any one of claims 2 to 5, wherein said client further comprises category list request means for requesting said server to provide a category list of a plurality of categories, said server further comprises means responsive to the request from said client for returning said category list, said client further comprises means for receiving the category list returned from said server, and said content list request means selects a category of the contents in the content list to be requested in said received category list.
7. The network type content reproducing system according to any one of claims 2 to 6, wherein said content list request means transmits a list construction key necessary for producing said content list to said server, and said content list returning means produces said content list based on the list construction key transmitted from said client.
8. The network type content reproducing system comprising a server and at least one client connected to said server, said server comprising storage means for storing a plurality of contents, said client comprising content request means for requesting said server to provide a predetermined amount of a content selected among said plurality of contents, said server further comprising content returning means responsive to the request from said client for returning the predetermined amount of said selected content to said client, said client further comprising reproducing means for reproducing the content returned from said server, and said content request means repeats the request for said content until said content is obtained in its entirety.
9. The network type content reproducing system according to claim 8, wherein said client further comprises a buffer memory for storing the content returned from said server, and said content request means requests said server to provide said predetermined amount of the content when a prescribed empty space is generated in said buffer memory.
10. The network type content reproducing system according to claim 8 or 9, wherein said content request means calculates an obtaining start address indicating the first address of said predetermined amount of the content and transmits a content transfer request command including the obtaining start address and an obtaining data length indicating the length of the content to be obtained from said server by said client, and said content returning means returns the content for said obtaining data length from said obtaining start address, in response to said content transfer request command.
11. The network type content reproducing system according to claim 10, wherein said content request means adds said obtaining data length to the previous obtaining start address to calculate the next obtaining start address.
12. The network type content reproducing system according to claim 11, wherein said client further comprises:
means for setting first and second addresses; and means for setting said obtaining start address to said first address when said calculated obtaining start address exceeds said second address.
13. The network type content reproducing system according to claim 11, wherein said client further comprises;
means for setting a desired address; and means for setting said obtaining start address to said desired address.
14. The network type content reproducing system according to claim 10 or 11, wherein said client further comprises:
means for setting a prescribed skip amount; and means for shifting said obtaining start address by said set skip amount.
15. The network type content reproducing system according to any one of claims 8 to 14, wherein said client further comprises means for transmitting the identification information of said selected content to said server, said server comprises means responsive to the identification information transmitted from said client for returning the offset of said selected content to said client, and said client further comprises means for detecting the start of said selected content based on the offset returned from said server.
16. The network type content reproducing system according to any one of claims 8 to 15, wherein said client further comprises means for transmitting the identification information of said selected content to said server, said server further comprises means responsive to the identification information transmitted from said client for returning the size of said selected content to said client, and said client further comprises means for detecting the end of said selected content based on the size returned from said server.
17. A network type content reproducing system comprising a server and at least one client connected to said server, said server comprising storage means for storing a plurality of contents, said client comprising content request means for calculating an obtaining start address indicating the first address of a content selected among said plurality of contents and transmitting the obtaining start address to said server, said server further comprising content returning means for returning the content from the obtaining start address transmitted from said client said client further comprising reproducing means for reproducing the content returned from said server.
18. A network type content reproducing system comprising a server and at least one client connected to said server, said server comprising storage means for storing a plurality of contents, said client comprising content request means for requesting said server to provide a specified amount of a content selected among said plurality of contents, said server further comprising content returning means responsive to the request from said client for returning the specified amount of said selected content to said client, said client further comprising reproducing means for reproducing the content returned from said server, and said content request means changes the specified amount of the content to be requested to said server.
19. The network type content reproducing system according to claim 18, wherein said content request means changes the specified amount of the content to be requested to said server in response to the time between the request to said server for the content and the transfer of said requested content.
20. The network type content reproducing system according to claim 18, wherein said content request means changes the specified amount of the content to be requested to said server in response to the data format of the content to be requested to said server.
21. A network type content reproducing system comprising a server and at least one client connected to said server, said server comprising, storage means for storing a plurality of contents, and content transmitting means for transmitting a content selected among said plurality of contents to said client, and said client further comprising, reproducing means for reproducing the content transmitted from said server, and means for transmitting client information related to said client to said server every time the client information changes.
22. A network type content reproducing system comprising a server and at least one first client connected to said server, said server comprising, storage means for storing a plurality of contents, and content transmitting means for transmitting a content selected among said plurality of contents to said first client, said first client comprising reproducing means for reproducing the content transmitted from said server, and said network type content reproducing system further comprising a second client connected to said server for monitoring said first client.
23. The network type content reproducing system according to claim 22, wherein said server comprises client information transmitting means for transmitting client information related to said first client, to said second client, and said second client comprises means for receiving the client information transmitted from said server.
24. The network type content reproducing system according to claim 23, wherein said server transmits said client information to said second client through a push port for forcing a request to be transmitted to said second client.
25. The network type content reproducing system according to claim 23 or 24, wherein said second client further comprises:
means for displaying said received client information; and means for changing the display of said received client information when said client information is changed.
26. The network type content reproducing system according to any one of claims 23 to 25, wherein said second client further comprises content list request means for requesting said server to provide a content list of a plurality of contents, said server further comprises content list returning means responsive to the request from said second client for returning said content list, and said second client further comprises content list receiving means for receiving the content list returned from said server.
27. The network type content reproducing system according to claim 26, wherein said client information includes a list construction key necessary for producing said content list, said content list request means transmits the list construction key included in said received client information to said server when the list construction key is changed, and said content list returning means produces said content list based on the list construction key transmitted from said second client.
28. The network type content reproducing system according to any one of claims 23 to 27, wherein said second client receives the client information transmitted from said server when said second client is connected to said server.
29. The network type content reproducing system according to claim 28, wherein said client information includes a list construction key necessary for producing said content list, said content list request means transmits the list construction key included in said received client information to said server, and said content list returning means produces said content list based on the list construction key transmitted from said second client.
30. The network type content reproducing system according to any one of claims 23 to 29, wherein said client information includes the name of a data format of a content reproducible by said first client, and said second client comprises means for displaying the name of said data format based on said received client information.
31. The network type content reproducing system according to claim 30, wherein said second client further comprises:
means for obtaining a content list of a plurality of contents from said server;
and means for displaying a content reproducible by said first client among the contents included in said obtained content list and displaying a content that cannot be reproduced by said first client in a different manner from the reproducible content or not displaying the irreproducible content.
32. The network type content reproducing system according to any one of claims 22 to 31, wherein said second client comprises means for determining whether a client to be monitored is said first client.
33. The network type content reproducing system according to any one of claims 22 to 32, wherein said second client comprises:
means for obtaining a monitoring handle necessary for monitoring said first client; and means for monitoring said first client using said obtained monitoring handle.
34. The network type content reproducing system according to claim 33, wherein said first client further comprises means for transmitting client information related to said first client to said server, said server comprises:
means for receiving the client information transmitted from said first client;
means for determining whether said second client has said monitoring handle;
and means for transmitting said received client information to said second client when said second client has said monitoring handle based on the result of said determination, and said second client comprises means for receiving the client information transmitted from said server.
35. The network type content reproducing system according to any one of claims 22 to 34, wherein said second client controls said first client.
36. A network type content reproducing system comprising a server and at least one first client connected to said server, said server comprising, storage means for storing a plurality of contents, and content transmitting means for transmitting a content selected among said plurality of contents to said first client, said first client comprising reproducing means for reproducing the content transmitted from said server, and said network type content reproducing system further comprising a second client connected to said server for controlling said first client.
37. The network type content reproducing system according to claim 36, wherein said second client comprises server request means for requesting said server to control said first client, and said server further comprises means responsive to the request from said second client for controlling said first client.
38. The network type content reproducing system according to claim 36 or 37, wherein said server controls said first client through a push port for forcing a request to be transmitted to said first client.~
39. The network type content reproducing system according to claim 37, wherein said server request means transmits information for specifying said first client and information for specifying said selected content to said server.
40. The network type content reproducing system according to any one of claims 36 to 39, wherein said second client comprises means for determining whether a client to be controlled is said first client.~
41. The network type content reproducing system according to any one of claims 36 to 40, wherein said second client comprises:
means for determining whether the data format of said selected content matches the data format of the content that can be reproduced by said first client; and means for instructing said first client to reproduce said selected content when said data formats match.
42. The network type content reproducing system according to any one of claims 36 to 41, wherein said second client comprises:
means for obtaining a control handle necessary for controlling said first client;
and means for controlling said first client using said obtained control handle.
43. The network type content reproducing system according to claim 42, wherein said second client further comprises means for requesting said server to issue a server request to said first client, and said server comprises means for determining whether or not said second client has said control handle when said second client requests said server to issue the server request; and means for transmitting said server request to said first client when said second client has said control handle based on the result of said determination.
44. The network type content reproducing system according to any one of claims 36 to 43, wherein said first client further comprises means for transmitting a completion status to said server when said first client finishes reproducing a content as instructed by said second client and transmitting a stop status different from said completion status to said server when said first client finishes reproducing a content selected by said first client or stops reproducing the content midway in response to the operation of the user.
45. The network type content reproducing system according to any one of claims 36 to 44, wherein said server comprises means for receiving the completion status transmitted from said first client and transmitting the completion status to said second client, and said second client comprises means responsive to the completion status transmitted from said server for instructing said first client to reproduce the content next to the content that has been reproduced to the end.
46. The network type content reproducing system according to any one of claims 36 to 45, wherein said second client further monitors said first client.
47. A network type content reproducing system comprising a server and at least one client connected to said server, said client further comprising broadcast means for broadcasting prescribed information, said server comprising means responsive to the prescribed information broadcasted from said client for returning server specifying information to specify said server to said client, and said client comprising means for receiving the server specifying information returned from said server and registering the information in a server list.
48. The network type content reproducing system according to claim 47, wherein said client further comprises means for determining whether said server specifying information is registered in said server list, and when said server specifying information is not registered in said server list based on the result of said determination, said broadcast means broadcasts said prescribed information again.
49. The network type content reproducing system according to claim 48, wherein said client further comprises means for accessing a server on the Internet when the number of broadcasting operation by said broadcast means reaches a prescribed number of times or time for broadcasting by said broadcast means reaches a prescribed time period.
50. The network type content reproducing system comprising a server and at least one client connected to said server, said client comprising, means for establishing connection at a command port for transmitting/receiving a command between said server and said client; and means for establishing connection at a push port for forcing a request to be transmitted to said client from said server.
51. The network type content reproducing system according to claim 50, wherein said client further comprises means for transmitting a client index request command to said server through said command port, said client index request command being necessary for identifying said client, said server further comprises means responsive to the client index request command transmitted from said client for returning said client index to said client, and said client further comprises means for transmitting the client index returned from said server to said server through said push port.
52. The network type content reproducing system according to claim 50 or 51, wherein there are a plurality of said clients, and said server comprises connection limiting means for limiting the number of connectable clients.
53. The network type content reproducing system according to claim 52, wherein said connection limiting means disconnects from said client that has been already connected based on a prescribed priority order when another said client that has not yet been connected tries to be connected.
54. A network type content reproducing system, comprising:
a server;
a first client connected to said server;
AV equipment connected to said first client; and a second client connected to said server to control said AV equipment, said second client comprising means for transmitting a control command for controlling said AV equipment to said server, said server comprising means for transmitting the control command transmitted from said second client to said first client, said first client comprising means for transmitting the control command transmitted from said server to said AV equipment, said AV equipment being controlled in response to the control command transmitted from said first client.
55. The network type content reproducing system according to claim 54, wherein said AV equipment comprises:
a controllable element; and means responsive to the control command transmitted from said first client for controlling said element.
56. A network type content reproducing system comprising a server and at least one client connected to said server, said server comprising, storage means for storing a plurality of contents, and content transmitting means for transmitting a content selected among said plurality of contents to said client, said network type content reproducing system further comprising AV
equipment connected to said client, said client comprising means transmits content transmitted from said server to said AV equipment, and said AV equipment comprising means for reproducing a content transmitted from said client.
57. A network type content reproducing system, comprising:
a server;
a first client connected to said server;
AV equipment connected to said first client; and a second client connected to said server to monitor said AV equipment, said AV equipment comprising means for transmitting information related to said AV equipment to said first client, said first client comprising AV equipment information transmitting means for transmitting the information transmitted from said AV equipment to said server, said server comprising means for transmitting the information transmitted from said first client to said second client.
58. The network type content reproducing system according to claim 57, wherein said information frequently changes, and the AV equipment information transmitting means of said first client transmits said information at prescribed intervals.
59. A network type content reproducing system comprising a server and at least one first client connected to said server, said server comprising, storage means for storing a plurality of contents, and content transmitting means for transmitting a content selected among said plurality of contents to said first client, said first client comprising reproducing means for reproducing the content transmitted from said server, and said server further comprising firmware update means for updating firmware in said first client.
60. The network type content reproducing system according to claim 59, wherein said server further comprises:
means for registering information related to a plurality of firmware pieces suitable for said first client; and firmware list transmitting means for transmitting a firmware list of said registered information related to the plurality of firmware pieces to said first client, said first client further comprises:
means for receiving the firmware list transmitted from said server; and firmware request means for requesting said server to transmit firmware selected in said received firmware list, and said firmware update means returns said selected firmware to said first client in response to the request from said first client.
61. The network type content reproducing system according to claim 60, wherein said first client further comprises means for transmitting client information related to said first client to said server, and said server further comprises means for producing said firmware list based on the client information transmitted from said first client.
62. The network type content reproducing system according to any one of claims 59 to 61, wherein said first client requests said server to provide a specified amount of firmware; and said firmware update means returns said specified amount of the firmware in response to the request from said first client.
63. The network type content reproducing system according to claim 62, wherein said first client transmits an obtaining start address indicating the first address where firmware to be obtained from said server by said first client is stored and an obtaining data length indicating the length of firmware to be obtained from said server by said first client, and said firmware update means responds to the request from said first client to return the firmware for said obtaining data length from said obtaining start address.
64. The network type content reproducing system according to any one of claims 59 to 63, wherein said server further comprises means for requesting said first client to update firmware and transmitting information related to the firmware to said first client.
65. The network type content reproducing system according to any one of claims 60 to 64, wherein 16~

said first client further comprises firmware list request means for requesting said server to provide a specified amount of a firmware list, and said firmware list transmitting means transmits said specified amount of the firmware list to said first client in response to the request from said first client.
66. The network type content reproducing system according to claim 65, wherein said firmware list request means transmits a firmware list request command including an obtaining start index indicating the first firmware information to be obtained from said server by said first client and an obtaining number indicating the number of pieces of the firmware information to be obtained from said server by said first client, and said firmware list transmitting means transmits a firmware list including pieces of the firmware information as many as said obtaining number from the first firmware information indicated by said obtaining start index in response to said firmware list request command.
67. The network type content reproducing system according to any one of claims 59 to 66, further comprising a second client connected to said server to control said first client, wherein said second client comprises means for requesting said server to update firmware in said first client.
68. A network type content reproducing system, comprising a server, a first client connected to said server, and a plurality of second clients connected to said server, said server comprising content storing means for storing a plurality of contents, said second clients each comprising means for specifying a content among said plurality of contents and instructing said first client to reproduce the specified content, said first client comprising:
means responsive to the instruction from said second client for reproducing said specified content; and means for transmitting a completion status to said server when said content has been reproduced to its end, said server further comprising status transmitting means for selecting one of said plurality of second clients and transmitting the completion status to said selected second client in response to the completion status received from said first client, said second clients each comprising means for specifying a content next to the content that has been reproduced to its end by said first client and instructing said first client to reproduce the specified content in response to the completion status received from said server.
69. The network type content reproducing system according to claim 68, wherein said server further comprises means for managing the priorities of the second clients that can control said first client, and said status transmitting means selects a second client with the highest priority as the second client to receive said transmitted completion status.
70. The network type content reproducing system according to claim 69, wherein said status transmitting means transmits a stop status to the second client other than the second client with the highest priority.
71. The network type content reproducing system according to claim 68, wherein said server further comprises means for storing the identification information of said second client that has instructed reproduction, and said status transmitting means selects said second client that has instructed reproduction as the second client to receive said completion status based on said stored identification information of the second client.
72. The network type content reproducing system according to claim 71, wherein said status transmitting means transmits a stop status to the second client other than said selected second client.
73. A network type content reproducing system comprising a server, a first client connected to said server, and a plurality of second clients connected to said server, said server comprising content storing means for storing a plurality of contents, said second clients each comprising:
control handle obtaining means for obtaining a control handle necessary for controlling said first client; and means for specifying a content among said plurality of contents after obtaining said control handle and instructing said first client to reproduce the specified content, said first client comprising means responsive to the instruction from said second client for reproducing said specified content; and means for transmitting a completion status to said server when said content has been reproduced to its end, said server further comprising means for transferring the completion status transmitted from said first client to each of said second clients, and said second clients each further comprising means for specifying a content next to the content that has been reproduced to its end by said first client in response to the completion status received from said first client whose control handle is obtained by the second client and instructing said first client to reproduce the specified content.
74. The network type content reproducing system according to claim 73, wherein said control handle obtaining means, upon obtaining said control handle, prohibits the other second client from obtaining said control handle.
75. The network type content reproducing system according to claim 74, wherein said first client further comprises means for transmitting a stop status to said server when said first client stops reproducing said content midway, said server further comprises means for transferring the stop status transmitted from said first client to each of said second clients, and said second clients each further comprise means for canceling the prohibition of obtaining said control handle in response to the stop status received from the first client whose control handle is obtained by said second client.
76. A network type content reproducing system comprising a server, a first client connected to said server, and a second client connected to said server, said server comprising content storing means for storing a plurality of contents, said second client comprising means for specifying a content among said plurality of contents and instructing said first client to reproduce the specified content, said first client comprising:
means responsive to the instruction from said second client for reproducing said specified content; and means for transmitting a completion status to said server when said content has been reproduced to its end, said server further comprising continuous reproducing instruction means responsive to the completion status received from said first client for specifying a content next to the content that has been reproduced to its end by said first client and instructing said first client to reproduce the specified content.
77. The network type content reproducing system according to claim 76, wherein said server further comprises:
means for storing a list construction key necessary for producing a content list of contents to be reproduced by said first client; and means for producing said content list based on said list construction key, and said continuous reproducing instruction means instructs said first client to reproduce said content according to said content list.
78. A network type content reproducing system comprising a server, a first client connected to said server, and a second client connected to said server, said server comprising content storing means for storing a plurality of contents, said second client comprising:
means for specifying a content among said plurality of contents and instructing said first client to reproduce the specified content; and means for transmitting a list construction key necessary for producing a content list of contents to be reproduced by said first client to said first client, said first client comprising:
means responsive to the instruction from said second client for reproducing said specified content; and means for transmitting the list construction key transmitted from said second client to said server, said server further comprising means for producing said content list based on the list construction key transmitted from said second client and transmitting the produced content list to said first client, said first client further comprising means for reproducing a content next to the content that has been reproduced to its end by said first client according to the content list transmitted from said server.
79. The network type content reproducing system according to any one of claims 2 to 78, wherein said content is audio sound and/or video data.
80. A method of operating the network type content reproducing system according to any one of claims 2 to 79.
81. A network type content reproducing system operating program for enabling a computer to implement the means recited in any one of claims 2 to 79.
82. A computer-readable storage medium storing the network type content reproducing system operating program according to claim 81.
83. (Deleted)
84. A server connectable to client comprising:
storing means for storing a plurality of contents; and content list returning means responsive to a request from said client for returning a content list of a plurality of contents.
85. The server according to claim 84, wherein said content list returning means returns a specified amount of a content list in response to the request from said client.
86. The server according to claim 85, wherein said content list returning means responds to a list request command from said client, said command including an obtaining start index indicating the first content to be obtained from said server by said client and an obtaining number indicating the number of contents to be obtained from said server by said client and returns a content list of contents as many as said obtaining number from the first content indicated by said obtaining start index.
87. The server according to claim 86, wherein said content list returning means further returns the number of contents included in said content list to be returned and the number of the remaining contents left out of said content list to be returned.
88. The server according to any one of claims 84 to 87, further comprising means responsive to a request from said client for returning a category list of a plurality of categories.
89. The server according to any one of claims 84 to 88, wherein said content list returning means produces said content list based on the list construction key transmitted from said client.
90. A server connectable to client comprising:
storing means for storing a plurality of contents; and content returning means for repeating returning a predetermined amount of a content selected among said plurality of contents in response to a request from said client, so that said content is returned in its entirety.
91. The server according to claim 90, wherein said content returning means responds to a content transfer request command transmitted from said client, said command including an obtaining start address indicating the first address where a content to be obtained from said server by said client is stored and an obtaining data length indicating the length of the content to be obtained from said server by said first client and returns a content for said obtaining data length from said obtaining start address.
92. The server according to claim 90 or 91, further comprising means responsive to the identification information of said selected content transmitted from said client for returning the offset of said selected content to said client.
93. The server according to any one of claims 90 to 92, further comprising means responsive to the identification information of said selected content transmitted from said client for returning the size of said selected content to said client
94. A server connectable to a first client and a second client controlling said first client, comprising:
control means responsive to a request from said second client for controlling said first client.
95. A server connectable to a client comprising:
storage means for storing a plurality of contents, content transmitting means for transmitting a content selected among said plurality of contents to said client, and firmware update means for updating firmware in said client.
96. The server according to claim 95 further comprising:
means for registering the information related to a plurality of firmware pieces suitable for said client; and firmware list transmitting means for transmitting a firmware list of said registered information of the plurality of firmware pieces to said client, said firmware update means returning firmware selected in said firmware list to said client in response to a request from said client.
97. The server according to claim 95 or 96, wherein said firmware update means transmits a specified amount of firmware requested by said client to said client.
98. The server according to claim 97, wherein said firmware update means returns firmware for an obtaining data length indicating the length of firmware to be obtained by said client from an obtaining start address indicating the first address where the firmware to be obtained by said client is stored.
99. The server according to any one of claims 96 to 98, wherein said firmware list transmitting means transmits a specified amount of a firmware list requested by said client to said client.
100. The server according to claim 99, wherein said firmware list transmitting means responds to a firmware list request command from said client, said command including an obtaining start index indicating the first firmware information to be obtained from said server by said client and an obtaining number indicating the number of pieces of firmware information to be obtained from said server by said client and transmits a firmware list including pieces of the firmware information as many as said obtaining number from said first firmware information indicated by said obtaining start index to said client.
101. A method of operating the server according to any one of claims 84 to 100.
102. A server operating program for enabling a computer to implement the means recited in any one of claims 84 to 100.
103. A computer-readable storage medium storing the server operating program according to claim 102.
104. (Deleted)
105. A client connectable to a server and attached in an outlet box provided in a wall.
106. A client connectable to a server comprising:
content list request means for requesting said server to provide a content list of a plurality of contents stored in said server; and content list receiving means for receiving the content list returned from said server in response to said request.
107. The client according to claim 106, wherein said content list request means requests said server to provide a specified amount of a content list.
108. The client according to claim 107, wherein said content list request means transmits a list request command including an obtaining start index indicating the first content to be obtained from said server by said client and an obtaining number indicating the number of contents to be obtained from said server by said client, and said content list receiving means receives a content list returned from said server in response to said list request command, said content list of contents as many as said obtaining number from the first content indicated by said obtaining start index.
109. The client according to any one of claims 106 to 108, further comprising:
category list request means for requesting said server to provide a category list of a plurality of categories; and means for receiving the category list returned from said server in response to said request, said content list request means selecting a category of the contents in the content list to be requested in said received category list.
110. The client according to any one of claims 106 to 109, wherein said content list request means transmits a list construction key necessary for producing said content list to said server.
111. A client connectable to a server comprising:
content request means for requesting said server to provide a predetermined amount of a content selected among a plurality of contents stored in said server;
reproducing means for reproducing the content transmitted from said server in response to said request and said content request means repeating the request for said content until said content is obtained in its entirety.
112. The client according to claim 111, further comprising a buffer memory storing the content returned from said server, wherein said content request means requests said server to provide said predetermined amount of the content when a prescribed empty space is generated in said buffer memory.
113. The client according to claim 111 or 112, wherein said content request means calculates an obtaining start address indicating the first address of said predetermined amount of the content and transmits a content transfer request command including the calculated obtaining start address and an obtaining data length indicating the length of the content to be obtained from said server by said client.
114. The client according to claim 113, wherein said content request means adds said obtaining data length to the previous obtaining start address to calculate the next obtaining start address.
115. The client according to claim 114, further comprising:
means for setting first and second addresses; and means for setting said obtaining start address to said first address when said calculated obtaining start address exceeds said second address.
116. The client according to claim 114, further comprising:
means for setting a desired address; and means for setting said obtaining start address to said desired address.
117. The client according to claim 113 or 114 further comprising:
means for setting a prescribed skip amount; and means for shifting said obtaining start address by said set skip amount.
118. The client according to any one of claims 111 to 117, further comprising:
means for transmitting the identification information of said selected content to said server; and means for detecting the start of said selected content based on the offset of said selected content returned from said server in response to said identification information.
119. The client according to any one of claims 111 to 118, further comprising:
means for transmitting the identification information of said selected content to said server; and means for detecting the end of said selected content based on the size of said selected content returned from said server in response to said identification information.
120. A client connectable to a server comprising:
content request means for calculating an obtaining start address indicating the first address of a content selected among a plurality of contents stored in said server and transmitting the obtaining start address to said server, and reproducing means for reproducing the content returned from said server in response to said transmitted obtaining start address.
121. A client connectable to a server comprising:
content request means for requesting said server to provide a specified amount of a content selected among a plurality of contents stored in said server; and reproducing means for reproducing the content returned from said server in response to said request; and said content request means changing the specified amount of the content to be requested to said server.
122. A client connectable to a server comprising:
reproducing means for reproducing a content transmitted from said server;
and means for transmitting client information related to said client to said server every time the client information changes.
123. A client connectable to a server comprising:
firmware request means for requesting said server to transmit firmware.
124. The client according to claim 123, further comprising means for receiving a firmware list transmitted from said server, wherein said firmware request means selects firmware to be transmitted in said received firmware list.
125. The client according to claim 123, wherein said firmware request means requests said server to provide a specified amount of firmware.
126. The client according to claim 125, wherein said firmware request means transmits an obtaining start address indicating the first address where firmware to be obtained from said server is stored and an obtaining data length indicating the length of the firmware to be obtained from said server.
127. The client according to any one of claims 123 to 126 further comprising firmware list request means for requesting said server to provide a specified amount of a firmware list.
128. The client according to claim 127, wherein said firmware list request means transmits a firmware list request command including an obtaining start index indicating the first firmware information to be obtained from said server and an obtaining number indicating the number of pieces of firmware information to be obtained from said server.
129. A client connectable to a plurality of servers, comprising:
connection means for connecting with any one of said plurality of servers; and determining means for determining whether connection with the server by said connection means is maintained at prescribed intervals, said connection means reestablishing connection with said server when said determining means determines that the connection is closed.
130. The client according to claim 129, wherein said connection means establishes connection with another server when the connection with said server cannot be reestablished.
131. The client according to claim 129 or 130, wherein said connection means transmits a client status before the connection is closed to the connected server.
132. A method of operating the client in a network type content reproducing system according to any one of claims 105 to 131.
133. A client operating program for enabling a computer to implement the means recited in any one of claims 105 to 131.
134. A computer-readable storage medium storing the client operating program according to claim 133.
135. A monitoring client monitoring a reproducing client reproducing a content transmitted from a server, and said monitoring client connectable to said server comprising:
means for receiving the client information related to said reproducing client transmitted from said server; and means for displaying said received client information.
136. The monitoring client according to claim 135, further comprising means for changing the display of said received client information when said client information is changed.
137. The monitoring client according to claim 135 or 136, wherein said client information includes the name of a data format of a content reproducible by said reproducing client, said monitoring client further comprising means for displaying the name of said data format based on said received client information.
138. The monitoring client according to claim 137, further comprising:
means for obtaining a content list of a plurality of contents from said server;
and means for displaying a content reproducible by said reproducing client among the contents included in said obtained content list and displaying a content that cannot be reproduced by said reproducing client in a different manner from the reproducible content or not displaying the irreproducible content.
139. The monitoring client according to any one of claims 135 to 138, further comprising means for determining whether a client to be monitored is said reproducing client.
140. The monitoring client according to claim 135, further comprising:
means for obtaining a monitoring handle necessary for monitoring said reproducing client; and means for monitoring said reproducing client using said obtained monitoring handle.
141. A method of operating the monitoring client in a network type content reproducing system according to any one of claims 135 to 140.
142. A monitoring client operating program for enabling a computer to implement the means recited in any one of claims 135 to 140.
143. A computer-readable storage medium storing the monitoring client operating program according to claim 142.
144. A server connectable to a first client reproducing a content and a second client monitoring said first client, comprising:
storage means for storing a plurality of contents;
content transmitting means for transmitting a content selected among said plurality of contents to said first client; and client information transmitting means for transmitting client information related to said first client, to said second client.
145. The server according to claim 144, wherein said client information transmitting means transmits said client information to said second client through a push port for forcing a request to be transmitted to said second client.
146. The server according to claim 144 or 145, further comprising:
content list returning means responsive to the request from said second client for returning a content list of said plurality of contents.
147. The server according to claim 146, wherein said client information includes a list construction key necessary for producing said content list, and said content list returning means produces said content list based on the list construction key transmitted from said second client.
148. A monitoring client monitoring a reproducing client reproducing a content transmitted from a server and connectable to said server, comprising:
client information receiving means for receiving client information related to said reproducing client from said server;
content list request means for requesting said server to provide a content list of a plurality of contents, and content list receiving means for receiving the content list returned from said server.
149. The monitoring client according to claim 148, wherein said client information includes a list construction key necessary for producing said content list, and said content list request means transmits the list construction key included in said received client information to said server when the list construction key is changed.
150. The monitoring client according to claim 148, wherein said client information receiving means receives said client information when said monitoring client is connected to said server.
151. The monitoring client according to claim 150, wherein said client information includes a list construction key necessary for producing said content list, said content list request means transmits the list construction key included in said received client information to said server.
152. A server connectable to a first client reproducing a content and a second client monitoring said first client using an obtained monitoring handle necessary for monitoring said first client, comprising:
storage means for storing a plurality of contents;
content transmitting means for transmitting a content selected among said plurality of contents to said first client;
means for determining whether said second client has said monitoring handle;
and means for transmitting client information related to said first client, to said second client when said second client has said monitoring handle based on the result of said determination.
153. A control client controlling a reproducing client reproducing a content transmitted from a server and connectable to said server, comprising:
server request means for requesting said server to control said reproducing client.
154. The control client according to claim 153, wherein said server request means transmits information for specifying said reproducing client and information for specifying said content to said server.
155. The server according to claim 94, wherein said control means controls said first client through a push port for forcing a request to be transmitted to said first client.
156. A control client controlling a reproducing client reproducing a content transmitted from a server and connectable to said server, comprising:
means for determining whether a client to be controlled is said reproducing client, and means for controlling said reproducing client when said reproducing client is to be controlled based on the result of said determination
157. A control client controlling a reproducing client reproducing a content transmitted from a server and connectable to said server, comprising:
means for determining whether the data format of said content matches the data format of the content that can be reproduced by said reproducing client;
and means for instructing said reproducing client to reproduce said content when said data formats match.
158. A control client controlling a reproducing client reproducing a content transmitted from a server and connectable to said server, comprising:
means for obtaining a control handle necessary for controlling said reproducing client; and means for controlling said reproducing client using said obtained control handle.
159. A server connectable to a first client reproducing a content and a second client controlling said first client, comprising:
storage means for storing a plurality of contents;
content transmitting means for transmitting a content selected among said plurality of contents to said first client;
means for determining whether or not said second client has a control handle necessary for controlling said first client when said second client requests said server to issue a server request; and means for transmitting said server request to said first client when said second client has said control handle based on the result of said determination.
160. A control client controlling a reproducing client reproducing a content transmitted from a server and connectable to said server, comprising:
means for receiving a completion status transmitted from said reproducing client through said server; and means responsive to said received completion status for instructing said reproducing client to reproduce the content next to the content that has been reproduced to the end.
161. An AV equipment being controlled by a first client connected to a server and connectable to a second client connected to said server, comprising:
a controllable element;
means for receiving a control command transmitted from said first client through said server and said second client: and means responsive to said received control command for controlling said element.
162. An AV equipment connectable to a relay client connected to a server, comprising:
means for receiving a content selected among a plurality of contents stored in said server from said server through said relay client: and means for reproducing said received content.
163. The AV equipment according to claim 162, further comprising:
means for transmitting information related to said AV equipment to a monitoring client monitoring said AV equipment through said relay client and said server.
164. A server connectable to a first client reproducing a content and a plurality of second clients instructing said first client to reproduce the content, comprising:
content storing means for storing a plurality of contents, content transmitting means for transmitting a content selected among said plurality of contents to said first client;
status transmitting means for selecting one of said plurality of second clients and transmitting a completion status indicating completion of reproducing the content to the selected second client when receiving the completion status from said first client.
165. The server according to claim 164, further comprising:
means for managing the priorities of the second clients that can control said first client, and said status transmitting means selects a second client with the highest priority as the second client to receive said transmitted completion status.
166. The server according to claim 165, wherein said status transmitting means transmits a stop status to the second client other than the second client with the highest priority.
167. The server according to claim 164, further comprising:
means for storing the identification information of said second client that has instructed reproduction, and said status transmitting means selects said second client that has instructed reproduction as the second client to receive said completion status based on said stored identification information of the second client.
168. The server according to claim 167, wherein said status transmitting means transmits a stop status to the second client other than said selected second client.
169. A control client controlling a reproducing client reproducing a content transmitted from a server and connectable to said server, comprising:
control handle obtaining means for obtaining a control handle necessary for controlling said reproducing client;
means for specifying a content among a plurality of contents stored in said server after obtaining said control handle and instructing said reproducing client to reproduce the specified content, and means for specifying a content next to the content that has been reproduced to its end by said reproducing client in response to a completion status indicating completion of reproducing the content received from said reproducing client whose control handle is obtained by said control client and instructing said reproducing client to reproduce the specified content.
170. The control client according to claim 169, wherein said control handle obtaining means, upon obtaining said control handle, prohibits the other control client from obtaining said control handle.
171. The control client according to claim 170, further comprising:
means for canceling the prohibition of obtaining said control handle in response to a stop status indicating stop of reproducing the content midway, said stop status received from the reproducing client whose control handle is obtained by said control client.
172. A server connectable to a first client reproducing a content and a second client instructing said first client to reproduce the content, comprising:
content storing means for storing a plurality of contents;
content transmitting means for transmitting a content selected among said plurality of contents to said first client; and continuous reproducing instruction means responsive to a completion status indicating completion of reproducing the content, said completion status received from said first client for specifying a content next to the content that has been reproduced to its end by said first client and instructing said first client to reproduce the specified content.
173. The server according to claim 172, further comprising:
means for storing a list construction key necessary for producing a content list of contents to be reproduced by said first client; and means for producing said content list based on said list construction key, and said continuous reproducing instruction means instructing said first client to reproduce said content according to said content list.
174. A reproducing client being controlled by a control client connected to a server and connectable to said server, comprising:
means responsive to an instruction from said control client for reproducing a content specified among a plurality of contents stored in said server;
means for receiving a list construction key necessary for producing a content list from said control client and transmitting the list construction key to said server;
means for receiving the content list produced based on said transmitted list construction key from said server; and means for reproducing a content next to the content that has been reproduced to its end according to said received content list.
175. A reproducing client being controlled by a control client connected to a server and connectable to said server, comprising:
reproducing means for reproducing a content transmitted from said server;
and means for transmitting a completion status to said server when finished reproducing a content as instructed by said control client and transmitting a stop status different from said completion status to said server when finished reproducing a content selected by said reproducing client or stopped reproducing the content midway in response to the operation of the user.
176. The network type content reproducing system according to any one of claims 23 to 31, wherein said first client further comprises means for transmitting client information related to said first client to said server, said server further comprises means for receiving the client information transmitted from said first client, and said client information transmitting means transmits said received client information to said second client.
177. The server according to claim 144, further comprising:
means for receiving client information related to said first client from said first client, and said client information transmitting means transmitting said received client information to said second client.
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US20110219064A1 (en) 2011-09-08
US8291074B2 (en) 2012-10-16
CA2486671C (en) 2011-11-15
JP2010072657A (en) 2010-04-02
JP4929520B2 (en) 2012-05-09
WO2003102919A1 (en) 2003-12-11
US20120117148A1 (en) 2012-05-10
JP2011242800A (en) 2011-12-01

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