CN100483295C - Allowing conversion of one digital rights management scheme to another - Google Patents
Allowing conversion of one digital rights management scheme to another Download PDFInfo
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- CN100483295C CN100483295C CNB2004800157924A CN200480015792A CN100483295C CN 100483295 C CN100483295 C CN 100483295C CN B2004800157924 A CNB2004800157924 A CN B2004800157924A CN 200480015792 A CN200480015792 A CN 200480015792A CN 100483295 C CN100483295 C CN 100483295C
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Abstract
The present invention relates to a method, a computer program product, a computer program element and a computer data signal (35) providing information about supported digital rights management features related to an electronic communication device and such an electronic communication device (10). It also relates to a method, a content providing device (16) a computer program product and a computer program element for generating rights objects for provision to an electronic communication device and a system for managing digital rights. The electronic communication device (10) provides at least a reference to listings or listings (36,38) of digital rights management features supported by each of at least two different digital rights management schemes related to the communication device and transmits at least the reference to listings or the listings to a content providing device (16). Based on these listings the content providing device (16) generates a rights object (40) according to one of the schemes only including features common to all the schemes.
Description
Technical field of the present invention
The present invention relates to the capability negotiation field of relevant digital copyright management, relate in particular to a kind of method of the information that is supported the digital copyright management feature that provides relevant, a kind of computer program, a kind of computer program element and a kind of computer data signal with certain electronic communication device, relate to such electronic communication device, be used to generate method, content providing device, computer program and the computer program element of right objects with the supply electronic communication device, and the system that also relates to a kind of managing digital rights.
Description of Related Art
It is to download content from different content providers that a kind of trend is arranged in long-range and computer communication field, for example: the dissimilar media content of similar music.Be necessary in this respect to use this content according to the condition that the content provider proposes.For this reason, described content just is concerned about that often through encrypting and be provided a right objects use of content proposes clause.For example, the user may be allowed to play the fixing number of times of one section music or play in specific time limit.
A kind of environment that this situation can take place is proposed for field of mobile telephony by OMA (Open Mobile Alliance), and OMA is setting up DRM (digital copyright management) scheme OMA DRM, is used to control these right objects.This scheme proposes some features that are supported, and these features allow the user to download content under the condition that the content provider proposes and use this content in the device that this content is downloaded to.
But, also have the device that how such scheme is used for other types.For example, the memory stick of Sony uses another kind of scheme of being Magic Gate.
Also can predict, download user content, device such as similar mobile phone and will be ready this content is moved in other the device because of a variety of causes.For this reason, this phone has and inserts for example possibility of memory stick, and this content can be transferred on the memory stick, just can use this memory stick in other devices then, and this device may have the ability of better this content of regeneration than phone.Therefore, this memory stick is supported another kind of digital rights management scheme possibly, and is placed with this device of this memory stick even may also will supports the third scheme.
In order to defend content provider's interests, the right objects of described phone scheme need be converted to the right objects of described memory stick.But this is not a simple task.Because these schemes may support different features, so there is a very big risk to be exactly: because first right objects has in new right objects scheme and the feature of non-existent regulation, institute so that this right objects can not be converted.This can cause this content to be locked in this phone using, see that from user's viewpoint this is a very big shortcoming.
Meanwhile, it is infeasible making the content provider undertake following task, understands all different schemes that can be dissimilar device existence and the feature that these different schemes are supported that is:.
Therefore, needing to provide a kind of mode, permission converts content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of content provider's burden, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
Summary of the invention
So, what the present invention is directed to is to solve following problem: allow to convert content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of content provider's burden, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
This problem solves in the following manner: quoting or the tabulation of digital copyright management feature the tabulation of the digital publishing rights characteristics of management is provided, this digital copyright management feature supported by each of some different digital rights management schemes relevant with communicator, and to the major general to the tabulation of each scheme quote or the tabulation of each scheme sends to the content provider.
Therefore, an object of the present invention is to provide a kind of method that information is provided, this information is about digital copyright management feature relevant with certain electronic communication device, that be supported, it allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of content provider's burden, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
According to a first aspect of the invention, this purpose realizes that by a kind of method of information that provides this information is about digital copyright management feature relevant with certain electronic communication device, that be supported, and this method may further comprise the steps:
Quoting or the tabulation of digital copyright management feature the tabulation of the digital publishing rights characteristics of management is provided at least, the tabulation of this digital copyright management feature is by each support of at least two relevant with this communicator different digital rights management schemes, one of them tabulation can by remotely with this device carry out related, and
To the major general to the tabulation of each scheme quote or the tabulation of each scheme sends to the content provider.
The purpose of second aspect present invention is a kind of method that comprises the first aspect feature, wherein, provides each tabulation with the form that allows to generate right objects automatically according to first digital rights management scheme.
The purpose of third aspect present invention is a kind of method that comprises the first aspect feature, wherein, provide quoting or provide the step of tabulation to comprise to tabulation: provide all digital copyright management features that each digital rights management scheme is supported tabulation quote or provide this tabulation.
The purpose of fourth aspect present invention is a kind of method that comprises the first aspect feature, wherein, provide quoting or provide the step of tabulation to comprise: provide one to the quoting of all total digital copyright management features of at least two digital rights management schemes, or only list this digital copyright management feature to tabulation.
The purpose of fifth aspect present invention is a kind of method that comprises the first aspect feature, also comprises: send one to requests for content to the content provider, this request can comprise described quoting or described tabulation tabulation at least.
The purpose of sixth aspect present invention is a kind of method that comprises the 5th aspect feature, further comprising the steps of: is that requested content generates a right objects by the content provider according to one of these schemes, only contain the total feature of these schemes, and described right objects is sent to this communicator.
The purpose of seventh aspect present invention is a kind of method that comprises the 6th aspect feature, also comprises step: retrieve those tabulations by the content provider from described position of quoting indication.
The purpose of eighth aspect present invention is a kind of method that comprises the 6th aspect feature, and is further comprising the steps of: receive described right objects in communicator, and convert described object to according to another program in the described scheme object.
Another object of the present invention provides a kind of method that right objects is supplied with electronic communication device that generates, it allows to convert content copyright at least a other scheme from a kind of digital rights management scheme by the content provider, and don't too increase the weight of content provider's burden, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
According to ninth aspect present invention, this purpose is to supply with the method for electronic communication device and realize by a kind of right objects that generates, and may further comprise the steps:
At least receive quoting or the tabulation of digital copyright management feature from described electronic communication device to the tabulation of the digital publishing rights characteristics of management, this digital copyright management feature is by each support of at least two digital rights management schemes relevant with this communicator, one of them tabulation can by remotely with this communicator carry out related, and
Generate a right objects according to one of those schemes, it only comprises the total feature of all schemes.
Another object of the present invention provides a kind of electronic communication device of communicating with the content provider of being used for, it allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of content provider's burden, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
According to tenth aspect present invention, this purpose realizes by a kind of electronic communication device that is used for communicating with the content provider, comprising:
A digital publishing rights management control unit, be used for providing at least quoting or the tabulation of this digital copyright management feature to the tabulation of the digital publishing rights characteristics of management, this digital copyright management feature is by each support of at least two relevant with this communicator different digital rights management schemes, one of them tabulation can by remotely with this device carry out related, and
A transmitting element, be used for to the tabulation of each scheme quote or the tabulation of each scheme sends to the content provider at least.
The present invention the tenth purpose on the one hand is an electronic communication device that comprises the tenth aspect feature, wherein, provides each tabulation with the form that allows to generate right objects automatically according to first digital rights management scheme.
The purpose of the present invention the 12 aspect is an electronic communication device that comprises the tenth aspect feature, wherein, described digital copyright management control module be used to provide to the tabulation quote maybe this tabulation the time, provide to comprise the tabulation of all digital copyright management features or the quoting of supporting by each digital rights management scheme to this tabulation.
The purpose of the present invention the 13 aspect is an electronic communication device that comprises the tenth aspect feature, wherein, described digital copyright management control module be used to provide to tabulation quote maybe this tabulation the time, what all digital copyright management features that at least two digital rights management schemes are had were provided quotes or only lists this digital copyright management feature.
The purpose of the present invention the 14 aspect is an electronic communication device that comprises the tenth aspect feature, wherein, described digital copyright management control module is used to send one to requests for content through described transmitting element to the content provider, and this request can comprise quoting or described tabulation described tabulation at least.
The purpose of the present invention the 15 aspect is an electronic communication device that comprises the tenth aspect feature, also comprises one first fixed medium content memorizer, and first digital rights management scheme is related with it.
The purpose of the present invention the 16 aspect is an electronic communication device that comprises the 15 aspect feature, also comprises a removable media content store, and second digital rights management scheme is related with it.
The purpose of the present invention the 17 aspect is an electronic communication device that comprises the tenth aspect feature, and wherein this device is a portable communication appts.
The purpose of the present invention's the tenth eight aspect is an electronic communication device that comprises the 17 aspect feature, and wherein this device is a mobile phone.
Another object of the present invention provides a kind of system of managing digital rights, it allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of content provider's burden, thereby when the interests of guaranteeing the content provider obtained defending, the user can access using the higher degree of freedom of this content wherein.
The 19 aspect according to the present invention, this purpose realizes by a kind of system of managing digital rights, comprising:
One is used for the electronic communication device that communicates with the content provider, comprises:
A digital publishing rights management control unit, be used for providing at least quoting or the tabulation of digital copyright management feature to the tabulation of the digital publishing rights characteristics of management, this digital copyright management feature is by each support of at least two relevant with this communicator different digital rights management schemes, one of them tabulation can by remotely with this device carry out related, and
A transmitting element, be used for to the tabulation of each scheme quote or the tabulation of each scheme sends to the content provider at least, and
A content providing device that is used for providing to electronic communication device media content is used to:
At least receive describedly from this device, and generate a right objects that only comprises all scheme common characteristics according to one of those schemes to the quoting or described tabulation of tabulation.
Another object of the present invention provides a kind of content providing device that is used to electronic communication device to generate right objects, it allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of the burden of content providing, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
The 20 aspect according to the present invention, this purpose realizes that by a kind of content providing device for electronic communication device generation right objects this content providing device is used to:
At least receive quoting or the tabulation of digital copyright management feature from an electronic communication device to the tabulation of the digital publishing rights characteristics of management, this digital copyright management feature is by each support of at least two relevant with a communicator different digital rights management schemes, one of them tabulation can remotely be carried out relatedly with this communicator, and generates a right objects that only comprises all scheme common characteristics according to one of those schemes.
Another object of the present invention provides a kind of computer program that is used to provide information, this information is about the digital copyright management feature that be supported relevant with certain electronic communication device, it allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of content provider's burden, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
The 20 on the one hand according to the present invention, this purpose is used to provide the computer program of information to realize by a kind of, this information includes computer-readable medium about digital copyright management feature relevant with a kind of electronic communication device, that be supported, comprises on this computer-readable medium:
Computer program code means when described program is loaded in this electronic communication device, makes this electronic communication device operation:
Quoting or the tabulation of digital copyright management feature the tabulation of the digital publishing rights characteristics of management is provided at least, this digital copyright management feature is by each support of at least two relevant with this electronic communication device different digital rights management schemes, one of them tabulation can by remotely with this device carry out related, and
Order to the major general to the tabulation of each scheme quote or the tabulation of each scheme sends to the content provider.
Another object of the present invention provides a kind of computer program element that is used to provide information, this information is about the digital copyright management feature that be supported relevant with certain electronic communication device, it allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of content provider's burden, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
The 22 aspect according to the present invention, this purpose realize by a kind of computer program element, and the information of the digital copyright management feature that is supported that is used to provide relevant with certain electronic communication device comprises:
Computer program code means when described program is loaded in this electronic communication device, makes this electronic communication device operation:
Quoting or the tabulation of digital copyright management feature the tabulation of the digital publishing rights characteristics of management is provided at least, this digital copyright management feature is by each support of at least two relevant with this electronic communication device different digital rights management schemes, one of them tabulation can by remotely with this device carry out related, and
Order will to the tabulation of each scheme quote or the tabulation of each scheme sends to the content provider at least.
Another object of the present invention provides a kind of computer program that right objects is supplied with electronic communication device that generates, it allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of content provider's burden, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
The 23 aspect according to the present invention, this purpose, comprises on this computer-readable medium to supply with the computer program realization of electronic communication device by a kind of computer-readable medium, generation right objects of containing:
Computer program code means when described program is loaded in this computing machine, makes this computer run:
Receive from described electronic communication device at least one to the tabulation of the digital publishing rights characteristics of management quote or the tabulation of digital copyright management feature after, this digital copyright management feature is by each support of at least two relevant with this communicator different digital rights management schemes, one of them tabulation can remotely be carried out related with this communicator
Generate a right objects that only comprises all scheme common characteristics according to one of those schemes.Another object of the present invention provides a kind of computer program element that right objects is supplied with electronic communication device that generates, it allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of content provider's burden, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
The 24 aspect according to the present invention, this purpose is supplied with the computer program element of electronic communication device and is realized that it has by a kind of right objects that generates:
Computer program code means when described program element is loaded in the computing machine, makes this computer run:
Receive from described electronic communication device at least one to the tabulation of the digital publishing rights characteristics of management quote or the tabulation of digital copyright management feature after, this digital copyright management feature is by each support of at least two relevant with this communicator different digital rights management schemes, one of them tabulation can remotely be carried out related with this communicator
Generate a right objects that only comprises all scheme common characteristics according to one of those schemes.
Another object of the present invention provides a kind of computer data signal that is used to provide information, this information is about the digital copyright management feature that be supported relevant with certain electronic communication device, it allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, and don't too increase the weight of content provider's burden, so that the user can obtain higher degree of freedom to using this content wherein, and guarantees that content provider's interests are defended simultaneously.
The 25 aspect according to the present invention, this purpose realize by a kind of computer data signal, and the information of the digital copyright management feature that is supported that is used to provide relevant with certain electronic communication device comprises:
At least one is quoted or the tabulation of digital copyright management feature the tabulation of the digital publishing rights characteristics of management, this digital copyright management feature is by each support of at least two relevant with this electronic communication device different digital rights management schemes, and one of them can remotely be carried out related with this device.
The present invention has following advantage.Its allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, and this has given content user moves this content between different device extra freedom.The content provider needn't understand also which feature is different schemes support, because this has been provided for him.And the content provider goes directly really to see whether these features are enough to protect his interests.The content provider can also guarantee to the user: the selected feature that is included in the right objects can be controlled with other related with it devices by described electronic communication device.Because on the one hand according to the of the present invention second and the tenth, be to provide tabulation with the form that allows to generate right objects automatically according to first digital rights management scheme, so the content provider needn't know more than a kind of scheme, but still can be to using the user of this content that content is provided with different schemes.And according to the of the present invention the 3rd with the supplying with different tabulations for each scheme and give the content provider such possibility of the 12 aspect: whether own decision will offer content the user of this phone, and, allow which kind of degree on other devices except that this phone, that have other schemes, to use this content with.
Should emphasize, when in explanation, using word and " comprise/comprise ", be the existence of expression feature, integral body, step or the ingredient of being stated, and therefore do not get rid of the existence of one or more other features, integral body, step, ingredient or its combination.
The accompanying drawing summary
Now with reference to the accompanying drawings the present invention is described in more detail, wherein:
Figure 1 shows that block schematic diagram, comprise an electronic communication device and a foundation content providing device of the present invention according to system of the present invention,
Figure 2 shows that a block schematic diagram according to electronic communication device of the present invention,
Figure 3 shows that a block schematic diagram according to content providing device of the present invention,
Fig. 4 schematically illustrates from this electronic communication device and sends one to requests for content and from this requested content of content providing device transmission,
Figure 5 shows that process flow diagram according to the method for information that the invention provides the relevant digital rights management scheme that is supported and received content, and
Fig. 6 schematically illustrates the computer program that has CD Rom disk-form according to the present invention.
Embodiment describes in detail
Now set forth according to system of the present invention with reference to Fig. 1.The electronic communication device of the mobile phone 10 forms cellular network through having base station 12 14 communicates with content providing device 16.Also have a server 17 to be connected to this network 14, storing the relevant information of DRM (digital copyright management) scheme of this phone support in this server.Phone 10 is downloaded content from content providing device 16, and according to the treatable different-format type of this phone, this content can be dissimilar media file form, as: video, sound or still picture.When this content of user's download, it can together be provided with a right objects, and this right objects especially defines and allows the user to use this content in which way.But, the user of this phone may want downloaded contents is transferred in other devices that he has, this can not accomplish at an easy rate, because this right objects is specific to employed scheme, and can not be converted into the right objects related, unless the right objects of the scheme of described other devices is supported all features of the right objects of this device scheme with other devices.
In order to allow this conversion, described phone has comprised those unit of Fig. 2, and this figure is depicted as the block schematic diagram of this phone relevant portion, and now with this figure as a reference.Therefore, this phone comprises a transmitting element 18, is used to communicate through the network of antenna 20 with Fig. 1.Transmitting element 18 is connected to digital copyright management control module 22, and links to each other with the first fixed medium content memorizer 24.An applying unit 26 links to each other with described media content storage 24, so that the user of this device can use the content that has been downloaded in the described first fixed medium content memorizer 24.One second removable media content store 28 links to each other with the described first fixed medium content memorizer 24.First digital rights management scheme is related with this phone.Because described content will be downloaded in this fixed medium content memorizer 24, so described first scheme can be counted as storer 24 associations therewith.Second digital rights management scheme is related with described second removable media store, and this second removable media store is a memory stick in the present embodiment.Described digital copyright management control module 22 and storer 24 all link to each other with 28.Should be appreciated that for carry out call and receive call and carry out with other functions of haveing nothing to do of the content of downloading, phone 10 comprise many other and than above-mentioned more unit.Yet they are uncorrelated with the present invention, therefore these are omitted in order to be more readily understood the present invention.How different media content storage, applying unit, the interconnective mode of communication unit and digital copyright management unit and above description just can realize an example of the present invention.Should understand, described configuration and function can make amendment and change in many ways.
Figure 3 shows that block schematic diagram according to the relevant portion of content providing device 16 of the present invention.This comprises that a communication unit 30, a content supply with control module 32 and a content memorizer 34.Described content is supplied with control module 32 and is all linked to each other with content memorizer 34 with described communication unit 30.
Now from the functional function that begins to describe native system of this phone.This function is described with reference to Fig. 1,2,3,4 and 5, wherein Fig. 4 schematically shows the request signal 35 to content, comprise: first tabulation 36, it is related with a DRM scheme, lists a plurality of features (count, at interval, time on date, ATRAC, MP3, AAC) of this scheme; And second tabulation 38, it is related with the 2nd DRM scheme, lists a plurality of features (count, ATRAC) of this scheme, and this signal is sent to the content provider from phone 10.In order to simplify the understanding of the present invention, Figure 4 shows that these tabulations are sent out in to requests for content.In fact, quoting the tabulation that provides on described server 17 will only be provided this signal.Fig. 4 also schematically shows a return signal 39, it comprises that one section content 42 that the content provider provides is together with according to a certain scheme, the right objects 40 that has two features to be used, wherein, feature counts is set to 10, and the employed ATRAC that is encoded to.Return signal 39 sends to phone 10 from content provider 16.Figure 5 shows that the process flow diagram of carrying out among described phone 10 and the content provider according to the inventive method.
Described method starts from the media content that a user wants to download from the content provider a certain type, and described content providing device belongs to this content provider.Use is made this selection such as user input unit such as keypads, is read by the digital copyright management control module.This phone is known which dissimilar digital rights management scheme of support in advance.Therefore, when the user wanted to download a certain content, digital copyright management control module 22 had just been known this phone self or the scheme of supporting by the described second detachable content memorizer 28.The tabulation example of the scheme that the described second detachable content memorizer 28 is supported is shown in Figure 4, is denoted as 38.Here, this tabulation is used for Magic Gate scheme by demonstration, and show feature " counting " and feature ATRAC (adaptive transformation encoded acoustic) here, " counting " is used to indicate the content how many times of can resetting, and " ATRAC " indication can be used the coding of which kind of type on being stored in described second memory 28 time for this content.It should be noted that these are the example of the characteristic type supported, in fact the type that can support of this scheme is more.But described tabulation comprises all features that this storer 28 is supported, comprises possible option.Digital copyright management control module 22 knows also which kind of scheme this phone itself supports, the tabulation of first scheme 36 (being demonstration with OMA DRM scheme) of the feature that this phone is supported is also shown in Figure 4 here.Here, this scheme is supported: feature counts, and this is with noted earlier identical; Significant interval is used to refer to time interval that this content can be reset betwixt and fixing interval of from date not normally; Time on date, indication can reset betwixt this content regular time at interval, and dissimilar coding ATRAC, MP3 and the AAC that are supported.Here, tabulation 36 also comprises all features that this scheme is supported, comprises possible option, but for the present invention is more readily understood, only figure 4 illustrates several.Should be noted that these files or tabulation do not indicate the details of these schemes, but the different characteristic of only indicating each scheme to support.And these two tabulations also provide with the form of employed grammer in the right objects that provides in described first scheme.Its advantage will be explained in the back.When first scheme is OMA DRM, this means: these features are provided as the parameter value that uses in OMA copyright representation language vocabulary, and this vocabulary uses defined parameter among the UAProf (user agent profile).In preferred embodiments, these tabulations provide as the document on server 17, and this server is provided by phone manufacturer.Then, this phone provides or comprises one to the quoting or linking of these tabulations on the server 17, and for example uses URL.Therefore, this method is from providing the feature list of all DRM schemes of this phone association to be quoted beginning, step 44.
After providing these two tabulation 36 and 38 quote, digital copyright management control module 22 utilizes transmitting element 18 to send a request signal 35, step 46 to content providing device 16.This request is to the request of quoting of one section content together with two feature list 36 that described phone 10 and detachable memory 28 supported and 38.These tabulations are stored as the term that uses with described first scheme and express on server 17.After this, described content provider 16 receives in communication unit 30 requests for content 35, and step 48 is transmitted to content to this request by this communication unit and supplies with control module 32.Then, content is supplied with control module 32 usefulness and is quoted from server 17 retrieval tabulations from what phone received, step 49, and for this content creating or generate a right objects 40, step 50.Right objects preferably provides with the form of XML file.This right objects is according to described first scheme, that is: the scheme of described phone is created, and includes only the feature that these two schemes are supported.Because these features are used according to the grammer that is used for right objects of described first scheme and are listed, so be easy to automatically generate such right objects concerning the content provider.In the simplification example that provides in the above, 40 of right objects have two features, and wherein first " counting " has been set to 10, that is: allow user's playback of content 10 times, and feature ATRAC is set up, that is: employed coding is ATRAC.Then, content is supplied with control module 32 and retrieve the content 40 that may encrypt from content memorizer 34, and carries out the encryption of this content in other cases.Then, utilize communication unit 30, content 42 and content copyright 42 are transferred to phone 10, step 52 from content provider 16 in return signal 39.For this content of resetting practically, this content can be encrypted here, and described phone is with some suitable mode receiving and deciphering keys.In a preferred embodiment, the key that is used for this deciphering provides in right objects 40.In the above-described embodiments, described content and right objects are together offered described phone.But should be appreciated that they also can be provided individually.
So described content 42 and right objects 40 are received by the transmitting element 18 of phone 10, and are stored in the storer 24 step 54 under the control of described digital copyright management control module 22.Like this, described applying unit 26 this content of just resetting.
The hypothesis user also wants in other local this contents of resetting, for example on his stereophonic sound system now.He wants this content is moved on in the described detachable memory 28 so.In order to finish this point, digital copyright management control module 22 converts this right objects to the right objects of the scheme of being supported according to this detachable memory 28 38, step 56.Then, this content and new right objects are transferred to detachable memory 28, the latter can take apart from described phone now, and is brought to for example stereophonic sound system, TV or computing machine, step 58.Like this, the user just can freely move to another with described content from a device, and has guaranteed content provider's interests.
Different control units preferably provides with the processor form of the related program storage of one or more bands, and it is carried out according to various wide variety of method steps of the present invention.Storer preferably provides with the form of common storage device.Communication unit preferably provides with the form of common communications circuit, such as the ASIC circuit.
Being used to carry out program coding of the present invention can also provide on one or more data carriers, and it carries out the present invention when being written into described phone or content providing device, and Fig. 6 illustrates wherein one type, a CD ROM dish 60.This is an example of this data carrier.Other types as memory stick, are feasible too.Described program coding also may be from external server be downloaded to phone or content provider's server or the two.
The present invention has many advantages.Its allows to convert content copyright at least a other scheme from a kind of digital rights management scheme, this user who gives content moves the extra freedom of this content between different device, the content provider needn't understand also which feature is different schemes support again, because this information has been provided for him.And the content provider goes directly really to see whether these features are enough to protect his interests.The content provider can also guarantee to the user: the selected feature that is included in the right objects can be controlled with other related with it devices by described electronic communication device.Because two tabulations are provided, it is provided with feature according to the grammer that is used for right objects according to first scheme, thus the content provider needn't know more than a kind of scheme, and still can be to using the user of this content that content is provided to different schemes.Use by the grammer of first scheme also allows the content provider to generate right objects automatically.The supplies of different tabulations also further give the content provider such possibility: whether own decision offers content the user of this phone, and, with which kind of degree this content of use on other devices beyond this phone.
It is possible that the present invention has multiple variation.Possiblely be: described phone is downloaded more ability and application, in this case, this phone can comprise the additional information of similar DIF-header in the request that sends to described content providing device, so this additional information can comprise the information of relevant this phone additional capabilities.This phone itself can also be provided for described two and tabulate or one of them, and directly sends to described content providing device with it or they.Described phone or server also may provide a public characteristic or the tabulation of the feature only supported by these two kinds of DRM schemes.This will alleviate the content provider and check that what feature some burdens they all support, and limit and transmitted this content whether option.Also might be: also will be inserted into for described memory stick, provide a tabulation such as TV, stereophonic sound system or computing machine grade in an imperial examination three equipment.Then, can be directly from other devices, for example through bluetooth
TM, receive information about the scheme of other devices.Also can receive this information from other devices, such as the manufacturer of equipment, they also ask detachable memory.Therefore, the present invention is not limited to two tabulations usually, but can be required more than one, and wherein unique restriction is that the storage space of phone is limited.And the present invention and mobile phone present relatively.But it will also be appreciated that it can also provide on the device of multiple other types, as: communicator, electronic organisers (electronic organizers), smart phone, palm PC, kneetop computer or or even PC.Similarly, employed communication network needs not to be cellular network, and can be any suitable communication network.Therefore, the present invention only is subjected to the restriction of following claim.
Claims (17)
1. the method for information is provided, and this information is about digital copyright management feature relevant with an electronic communication device (10), that be supported, and this method may further comprise the steps:
Quoting or the tabulation of digital copyright management feature the tabulation of the digital publishing rights characteristics of management is provided at least, (36,38), this digital copyright management feature is by each support of at least two relevant with this communicator different digital rights management schemes, wherein first digital rights management scheme is carried out related with this device itself, second digital rights management scheme by with the removable media content store of this device, (28) carry out association, and at least one tabulation can remotely be carried out related with this device, (44)
With one to requests for content (35) and to this tabulation quote maybe that this tabulation sends to the content provider from this electronic communication device, (46), and
The right objects (40) that provides for requested content (42) according to one of described at least two different digital rights management schemes is is provided the content provider, this right objects only contains the total feature (54) of described at least two different digital rights management schemes, and receives described right objects (40) by described electronic communication device.
2. according to the process of claim 1 wherein, provide each tabulation with the form that allows to generate right objects automatically according to first digital rights management scheme.
3. according to the method for claim 1, wherein, provide quoting or provide the step of tabulation to comprise: provide the tabulation of quoting or provide all digital copyright management features that each digital rights management scheme supports of the tabulation of all digital copyright management features that each digital rights management scheme is supported to tabulation.
4. according to the method for claim 1, wherein, provide quoting or provide the step of tabulation to comprise: provide one to the quoting of all total digital copyright management features of at least two digital rights management schemes, or only list all total digital copyright management features of at least two digital rights management schemes to tabulation.
5. according to the method for claim 1, further comprising the steps of: as to quote indicated position and retrieve this tabulation from described by the content provider.
6. according to the method for claim 1, further comprising the steps of: as to convert described object to a object (56) according to another program in described at least two different digital rights management schemes.
7. generate right objects (40) so that supply with the method for an electronic communication device (10), may further comprise the steps:
Receive one to requests for content (35) and one quoting or the tabulation (36 of digital copyright management feature from described electronic communication device to the tabulation of the digital publishing rights characteristics of management, 38), this digital copyright management feature is by each support of at least two digital rights management schemes relevant with this communicator, wherein first digital rights management scheme is carried out related with this device itself, second digital rights management scheme is carried out related with the removable media content store (28) of this device, and a tabulation can remotely be carried out related with this communicator, (48), and
Generate a right objects (40) that only comprises all digital rights management scheme common characteristics according to one of described at least two different digital rights management schemes for requested content (42), (50), and this right objects sent to described electronic communication device, (52).
8. be used for the electronic communication device (10) that communicates with the content provider, comprise:
A digital publishing rights management control unit (22), be used for providing at least quoting or the tabulation (36 of digital copyright management feature to the tabulation of the digital publishing rights characteristics of management, 38), this digital copyright management feature is by each support of at least two relevant with this communicator different digital rights management schemes, wherein first digital rights management scheme is carried out related with this communicator itself, second digital rights management scheme is carried out related with the removable media content store (28) of this communicator, and tabulation can by remotely with this communicator carry out related, and
A transmitting element (18), be used under the control of described digital copyright management control module, moving, with with one to requests for content (35) and to the tabulation of digital rights management scheme quote or the tabulation of digital rights management scheme sends to content provider (16), and receive one according to right objects one of described at least two different digital rights management schemes, that be used for requested content (42) (40), this right objects only contains the total feature of described at least two different digital rights management schemes.
9. electronic communication device according to Claim 8 wherein, provides each tabulation with the form that allows to generate right objects automatically according to first digital rights management scheme.
10. electronic communication device according to Claim 8, wherein, when provide to tabulation quote maybe this tabulation the time, described digital copyright management control module (22) is used to provide and comprises the tabulation of all digital copyright management features or the quoting of being supported by each digital rights management scheme this tabulation.
11. electronic communication device according to Claim 8, wherein, when provide to tabulation quote maybe this tabulation the time, what described digital copyright management control module was used to provide all digital copyright management features that at least two digital rights management schemes are had quotes or only lists all digital copyright management features that at least two digital rights management schemes have.
12. electronic communication device according to Claim 8 also comprises one first fixed medium content memorizer (24), described first digital rights management scheme is related with it.
13. electronic communication device according to Claim 8 also comprises described removable media content store (28).
14. electronic communication device according to Claim 8, wherein this device is a portable communication appts.
15. each electronic communication device according to Claim 8-13, wherein this device is a mobile phone.
16. the system of managing digital rights comprises:
One is used for the electronic communication device (10) that communicates with the content provider, and comprises:
A digital publishing rights management control unit (22), be used for providing at least quoting or the tabulation (36 of digital copyright management feature to the tabulation of the digital publishing rights characteristics of management, 38), this digital copyright management feature is by each support of at least two relevant with this communicator different digital rights management schemes, wherein first digital rights management scheme is carried out related with this device itself, second digital rights management scheme is carried out related with the removable media content store (28) of this device, and tabulation can by remotely with this device carry out related, and
A transmitting element (18), be used under the control of described digital copyright management control module, moving, with with one to requests for content (35) and to the tabulation of each digital rights management scheme quote or the tabulation of each digital rights management scheme sends to content provider (16), and receive one according to right objects one of described digital rights management scheme, that be used for requested content (42) (40), this right objects only contains the total feature of described at least two different digital rights management schemes, and
A content providing device (16) that is used for providing to electronic communication device media content is used to:
Receive described to requests for content and described to the tabulation quote or described tabulation,
Generate the described described right objects (40) that only comprises all digital rights management scheme common characteristics according to one of described at least two different digital rights management schemes for this content (42), and
This right objects is sent to described electronic communication device.
17. be used to electronic communication device to generate the content providing device (16) of right objects, described content providing device comprises:
Receiving-member, be used for receiving one to requests for content (35) and one quoting or the tabulation (36 of digital copyright management feature to the tabulation of the digital publishing rights characteristics of management from an electronic communication device (10), 38), this digital copyright management feature is by each support of at least two relevant with this communicator different digital rights management schemes, wherein first digital rights management scheme is carried out related with this device itself, second digital rights management scheme is carried out related with the removable media content store (28) of this device, and a tabulation can remotely be carried out related with this communicator
Generate parts, be used for generating a right objects (40) that only comprises all described at least two different digital rights management scheme common characteristics for requested content (42) according to one of described at least two different digital rights management schemes, and
Transmit block is used for this right objects is sent to described electronic communication device.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03076939.2 | 2003-06-06 | ||
| EP03076939 | 2003-06-06 | ||
| EP03023093.2 | 2003-10-15 | ||
| US60/513,427 | 2003-10-22 |
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| Publication Number | Publication Date |
|---|---|
| CN1802617A CN1802617A (en) | 2006-07-12 |
| CN100483295C true CN100483295C (en) | 2009-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004800157924A Expired - Fee Related CN100483295C (en) | 2003-06-06 | 2004-04-14 | Allowing conversion of one digital rights management scheme to another |
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| CN (1) | CN100483295C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101379861B1 (en) * | 2006-10-20 | 2014-04-17 | 삼성전자주식회사 | Apparatus, system and method for providing DRM |
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| Publication number | Publication date |
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| CN1802617A (en) | 2006-07-12 |
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