DE69423021D1 - Zweidrahtübertragungssystem für Audio-und Videomultiplexsignale - Google Patents
Zweidrahtübertragungssystem für Audio-und VideomultiplexsignaleInfo
- Publication number
- DE69423021D1 DE69423021D1 DE69423021T DE69423021T DE69423021D1 DE 69423021 D1 DE69423021 D1 DE 69423021D1 DE 69423021 T DE69423021 T DE 69423021T DE 69423021 T DE69423021 T DE 69423021T DE 69423021 D1 DE69423021 D1 DE 69423021D1
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
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 true DE69423021D1 (de) | 2000-03-23 |
DE69423021T2 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) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6480510B1 (en) | 1998-07-28 | 2002-11-12 | Serconet Ltd. | Local area network of serial intelligent cells |
US6956826B1 (en) * | 1999-07-07 | 2005-10-18 | Serconet Ltd. | Local area network for distributing data communication, sensing and control signals |
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 |
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 |
US6823001B1 (en) | 2000-05-31 | 2004-11-23 | Bitrage, Inc. | Dual stage communication processor |
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 |
EP2523358A3 (de) | 2001-10-11 | 2012-11-21 | Mosaid Technologies Incorporated | Steckdose mit Analogsignaladapter |
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 |
DE602005016615D1 (de) * | 2005-07-05 | 2009-10-22 | Freescale Semiconductor Inc | Kompensation der parasitären kopplung zwischen hf-ng |
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 |
EP2203799A4 (de) | 2007-10-22 | 2017-05-17 | Mobileaccess Networks Ltd. | Kommunikationssystem mit leitungen mit niedriger bandbreite |
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 |
EP2399141A4 (de) | 2009-02-08 | 2012-08-01 | Corning Mobileaccess Ltd | Kommunikationssystem mit auf kabeln transportierten ethernet-signalen |
JP5275074B2 (ja) * | 2009-02-12 | 2013-08-28 | 三菱電機株式会社 | 表示装置 |
US10469790B2 (en) * | 2011-08-31 | 2019-11-05 | Cablecam, Llc | Control system and method for an aerially moved payload system |
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 |
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 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4005399A (en) * | 1975-02-14 | 1977-01-25 | The United States Of America As Represented By The Secretary Of The Air Force | Impedance sensitive power line intrusion alarm system |
FR2312904A1 (fr) * | 1975-05-27 | 1976-12-24 | Poirier Alain | Perfectionnements aux systemes et aux dispositifs de teleconference par visiophonie |
US4229625A (en) * | 1978-12-29 | 1980-10-21 | Bell Telephone Laboratories, Incorporated | Repeater level control circuit |
US4823093A (en) * | 1981-05-27 | 1989-04-18 | Frey Douglas R | Dynamically biased voltage controlled element |
US4471317A (en) * | 1982-11-12 | 1984-09-11 | Digital Engineering, Ltd. | Fast response, equalized AGC amplifier |
US4551671A (en) * | 1983-06-23 | 1985-11-05 | International Business Machines Corp. | Terminal disconnect and media wire fault detect mechanism |
US4689551A (en) * | 1985-09-05 | 1987-08-25 | Tektite Corporation | Testing wiring harnesses |
EP0244260B1 (de) * | 1986-04-30 | 1993-08-11 | Sharp Kabushiki Kaisha | 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 |
GB2225195B (en) * | 1988-11-19 | 1993-08-11 | Matsushita Electric Works Ltd | Two-wire television interphone system |
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 |
US5218307A (en) * | 1990-11-02 | 1993-06-08 | Alcan Aluminum Corporation | Fault detection circuit and method for testing a multiple conductor cable having a shield |
US5397947A (en) * | 1992-10-28 | 1995-03-14 | Samsung Electronics Co., Ltd. | Clipper circuitry |
-
1994
- 1994-04-14 US US08/227,341 patent/US5778303A/en not_active Expired - Fee Related
- 1994-04-16 EP EP94105922A patent/EP0620691B1/de not_active Expired - Lifetime
- 1994-04-16 DE DE69423021T patent/DE69423021T2/de not_active Expired - Fee Related
-
1996
- 1996-06-28 US US08/672,339 patent/US6014544A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0620691B1 (de) | 2000-02-16 |
US6014544A (en) | 2000-01-11 |
DE69423021T2 (de) | 2000-09-28 |
EP0620691A1 (de) | 1994-10-19 |
US5778303A (en) | 1998-07-07 |
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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 |