DE69423021T2 - Zweidrahtübertragungssystem für Audio-und Videomultiplexsignale - Google Patents

Zweidrahtübertragungssystem für Audio-und Videomultiplexsignale

Info

Publication number
DE69423021T2
DE69423021T2 DE69423021T DE69423021T DE69423021T2 DE 69423021 T2 DE69423021 T2 DE 69423021T2 DE 69423021 T DE69423021 T DE 69423021T DE 69423021 T DE69423021 T DE 69423021T DE 69423021 T2 DE69423021 T2 DE 69423021T2
Authority
DE
Germany
Prior art keywords
audio
transmission system
wire transmission
multiplex signals
video multiplex
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69423021T
Other languages
English (en)
Other versions
DE69423021D1 (de
Inventor
Noboru Shinozaki
Seiichi Kubo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP9028993A external-priority patent/JP2826437B2/ja
Priority claimed from JP25326093A external-priority patent/JP3195697B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69423021D1 publication Critical patent/DE69423021D1/de
Application granted granted Critical
Publication of DE69423021T2 publication Critical patent/DE69423021T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
    • H04N7/186—Video door telephones
DE69423021T 1993-04-16 1994-04-16 Zweidrahtübertragungssystem für Audio-und Videomultiplexsignale Expired - Fee Related DE69423021T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9028993A JP2826437B2 (ja) 1993-04-16 1993-04-16 トランスレス分岐器
JP25326093A JP3195697B2 (ja) 1993-10-08 1993-10-08 二線式音声映像信号多重伝送システム

Publications (2)

Publication Number Publication Date
DE69423021D1 DE69423021D1 (de) 2000-03-23
DE69423021T2 true DE69423021T2 (de) 2000-09-28

Family

ID=26431785

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423021T Expired - Fee Related DE69423021T2 (de) 1993-04-16 1994-04-16 Zweidrahtübertragungssystem für Audio-und Videomultiplexsignale

Country Status (3)

Country Link
US (2) US5778303A (de)
EP (1) EP0620691B1 (de)
DE (1) DE69423021T2 (de)

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US6690677B1 (en) 1999-07-20 2004-02-10 Serconet Ltd. Network for telephony and data communication
DE19950531A1 (de) * 1999-10-20 2001-05-10 S. Siedle & Soehne,Telefon- Und Telegrafenwerke Stiftung & Co Anlage für die Hauskommunikation
US6549616B1 (en) 2000-03-20 2003-04-15 Serconet Ltd. Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
IL135744A (en) 2000-04-18 2008-08-07 Mosaid Technologies Inc Telephone communication system through a single line
US6842459B1 (en) 2000-04-19 2005-01-11 Serconet Ltd. Network combining wired and non-wired segments
US20040151237A1 (en) * 2000-05-31 2004-08-05 Bitrage, Inc. Satellite communications system
US6823001B1 (en) 2000-05-31 2004-11-23 Bitrage, Inc. Dual stage communication processor
US7149242B1 (en) 2000-05-31 2006-12-12 Bitrage, Inc. Communications system for improving transmission rates and transmission distances of data signals across communications links
IL144158A (en) 2001-07-05 2011-06-30 Mosaid Technologies Inc Socket for connecting an analog telephone to a digital communications network that carries digital voice signals
IL161190A0 (en) 2001-10-11 2004-08-31 Serconet Ltd Outlet with analog signal adapter, method for use thereof and a network using said outlet
US6639490B2 (en) * 2001-10-31 2003-10-28 International Business Machines Corporation Ninety degree coupler for radio frequency degraded circuits
DE10215793B4 (de) * 2002-04-10 2004-04-15 S. Siedle & Söhne, Telefon- und Telegrafenwerke Stiftung & Co. Hauskommunikationsanlage
JP3881285B2 (ja) * 2002-05-30 2007-02-14 アイホン株式会社 インターホン装置
IL154234A (en) 2003-01-30 2010-12-30 Mosaid Technologies Inc Method and system for providing dc power on local telephone lines
IL154921A (en) 2003-03-13 2011-02-28 Mosaid Technologies Inc A telephone system that includes many separate sources and accessories for it
IL157787A (en) 2003-09-07 2010-12-30 Mosaid Technologies Inc Modular outlet for data communications network
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
IL160417A (en) 2004-02-16 2011-04-28 Mosaid Technologies Inc Unit added to the outlet
IL161869A (en) 2004-05-06 2014-05-28 Serconet Ltd A system and method for carrying a signal originating is wired using wires
US8074255B2 (en) * 2004-09-28 2011-12-06 Clearcube Technology, Inc. Analog video signal transmission over twisted-pair wires
US7873058B2 (en) 2004-11-08 2011-01-18 Mosaid Technologies Incorporated Outlet with analog signal adapter, a method for use thereof and a network using said outlet
EP1908167B1 (de) * 2005-07-05 2009-09-09 Freescale Semiconductor, Inc. Kompensation der parasitären kopplung zwischen hf- oder mikrowellentransistoren in derselben kapselung
US7813451B2 (en) 2006-01-11 2010-10-12 Mobileaccess Networks Ltd. Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting
US8594133B2 (en) 2007-10-22 2013-11-26 Corning Mobileaccess Ltd. Communication system using low bandwidth wires
US8175649B2 (en) 2008-06-20 2012-05-08 Corning Mobileaccess Ltd Method and system for real time control of an active antenna over a distributed antenna system
JP2009194484A (ja) * 2008-02-12 2009-08-27 Toshiba Corp データ伝送装置
EP2150056A1 (de) * 2008-07-30 2010-02-03 Comelit Group S.p.a. Videoeingangs-Telefonsystem mit dem Twisted-Pair als Übertragungsunterstützung zur Versorgung der Außenstation mit Niederspannung und Stromnetz einer Wohnung
US8897215B2 (en) 2009-02-08 2014-11-25 Corning Optical Communications Wireless Ltd Communication system using cables carrying ethernet signals
JP5275074B2 (ja) * 2009-02-12 2013-08-28 三菱電機株式会社 表示装置
US9337949B2 (en) 2011-08-31 2016-05-10 Cablecam, Llc Control system for an aerially moved payload
US9477141B2 (en) 2011-08-31 2016-10-25 Cablecam, Llc Aerial movement system having multiple payloads
US10469790B2 (en) * 2011-08-31 2019-11-05 Cablecam, Llc Control system and method for an aerially moved payload system
WO2013142662A2 (en) 2012-03-23 2013-09-26 Corning Mobile Access Ltd. Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods
CN102685433A (zh) * 2012-05-09 2012-09-19 卢泳 一种电视连接WiFi的方法和装置
US9184960B1 (en) 2014-09-25 2015-11-10 Corning Optical Communications Wireless Ltd Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference

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US4551671A (en) * 1983-06-23 1985-11-05 International Business Machines Corp. Terminal disconnect and media wire fault detect mechanism
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DE3786946T2 (de) * 1986-04-30 1994-01-27 Sharp Kk Verfahren und System für Multiplexübertragung eines Audiosignals und eines Videosignals über ein Kommunikationskabel.
US5165017A (en) * 1986-12-11 1992-11-17 Smith & Nephew Richards, Inc. Automatic gain control circuit in a feed forward configuration
JPH01236873A (ja) * 1988-03-17 1989-09-21 Erubetsukusu Video Kk 閉回路テレビジョン装置
JPH0821913B2 (ja) * 1988-06-30 1996-03-04 住友電気工業株式会社 Ｃａｔｖ分岐・分配装置
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JPH02168737A (ja) * 1988-12-21 1990-06-28 Nec Corp Ｃａｔｖ施設の中継器
JPH03187647A (ja) * 1989-12-18 1991-08-15 Matsushita Electric Ind Co Ltd 平衡伝送用受信装置
FR2656427B1 (fr) * 1989-12-22 1992-03-13 Cit Alcatel Circuit de mesure du niveau d'un signal electrique comprenant des moyens de correction de decalage et application aux amplificateurs a commande automatique de gain.
US5347305A (en) * 1990-02-21 1994-09-13 Alkanox Corporation Video telephone system
JPH04113792A (ja) * 1990-09-04 1992-04-15 Nec Corp Ｃａｔｖ中継器
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US5397947A (en) * 1992-10-28 1995-03-14 Samsung Electronics Co., Ltd. Clipper circuitry

Also Published As

Publication number Publication date
DE69423021D1 (de) 2000-03-23
US5778303A (en) 1998-07-07
EP0620691A1 (de) 1994-10-19
EP0620691B1 (de) 2000-02-16
US6014544A (en) 2000-01-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee