DE68925613D1 - Datenübertragungseinrichtung mit zugeordneter Energieversorgungseinrichtung - Google Patents
Datenübertragungseinrichtung mit zugeordneter EnergieversorgungseinrichtungInfo
- Publication number
- DE68925613D1 DE68925613D1 DE68925613T DE68925613T DE68925613D1 DE 68925613 D1 DE68925613 D1 DE 68925613D1 DE 68925613 T DE68925613 T DE 68925613T DE 68925613 T DE68925613 T DE 68925613T DE 68925613 D1 DE68925613 D1 DE 68925613D1
- Authority
- DE
- Germany
- Prior art keywords
- data transmission
- energy supply
- associated energy
- supply device
- transmission device
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Devices For Supply Of Signal Current (AREA)
- Communication Control (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988144263U JPH0264261U (de) | 1988-11-04 | 1988-11-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68925613D1 true DE68925613D1 (de) | 1996-03-21 |
DE68925613T2 DE68925613T2 (de) | 1996-07-25 |
Family
ID=15358029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68925613T Expired - Fee Related DE68925613T2 (de) | 1988-11-04 | 1989-11-02 | Datenübertragungseinrichtung mit zugeordneter Energieversorgungseinrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US5181240A (de) |
EP (1) | EP0367270B1 (de) |
JP (1) | JPH0264261U (de) |
KR (1) | KR960009904B1 (de) |
CA (1) | CA2001472C (de) |
DE (1) | DE68925613T2 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2664776B1 (fr) * | 1990-07-10 | 1993-09-10 | Digitelec Inf Sarl | Modulateur - demodulateur alimente par la ligne telephonique. |
DE59208788D1 (de) * | 1991-04-29 | 1997-09-18 | Siemens Ag | Schaltungsanordnung zur Datenumsetzung |
US5655009A (en) * | 1992-03-19 | 1997-08-05 | Fujitsu Limited | Modem unit |
CA2097449C (en) * | 1992-06-05 | 1998-09-15 | Satosi Sakuragi | Telephone line power utility circuit |
FR2705182B1 (fr) * | 1993-05-11 | 1995-08-11 | Etudes Realis Protect Electron | Agencement de liaison telephonique notamment pour la telecommande d'un terminal d'abonne via le reseau telephonique. |
FR2705156B1 (fr) * | 1993-05-11 | 1995-08-11 | Etudes Realis Protect Electron | Agencement d'acquisition de donnees ou de transition de telecommande par le reseau telephonique. |
US5343514A (en) * | 1993-12-10 | 1994-08-30 | Snyder Gary K | Telephone line powered system |
US6175556B1 (en) * | 1994-06-06 | 2001-01-16 | International Business Machines Corporation | Remote powered ethernet repeater |
WO1999053627A1 (en) | 1998-04-10 | 1999-10-21 | Chrimar Systems, Inc. Doing Business As Cms Technologies | System for communicating with electronic equipment on a network |
US6480510B1 (en) | 1998-07-28 | 2002-11-12 | Serconet Ltd. | Local area network of serial intelligent cells |
US6697485B1 (en) | 1998-11-10 | 2004-02-24 | 3Com Corporation | Data signal attenuator and systems and methods for using same |
US6377667B1 (en) | 1999-03-15 | 2002-04-23 | 3Com Corporation | Telephone line-assist powered apparatus with programmable hold current |
US6567472B1 (en) | 1999-05-26 | 2003-05-20 | 3Com Corporation | System and method for terminating a line by reflecting a scaled impedance |
US6456665B1 (en) | 1999-05-28 | 2002-09-24 | 3Com Corporation | Partial modification of a nominal impedance using digital impedance synthesis |
US6338077B1 (en) | 1999-05-28 | 2002-01-08 | 3Com Corporation | Transfer function implementation using digital impedance synthesis |
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 |
US6571181B1 (en) | 1999-08-11 | 2003-05-27 | Broadcom Corporation | System and method for detecting a device requiring power |
US6654461B1 (en) | 1999-09-14 | 2003-11-25 | 3Com Corporation | Synthesized telephone line ring signal impedance termination |
FR2799096B1 (fr) * | 1999-09-23 | 2002-01-04 | Grizzli Systems | Convertisseur de protocle pour services a l'habitat auto alimente |
US6687371B1 (en) * | 1999-10-08 | 2004-02-03 | Agere Systems Inc. | Maintaining an off-hook condition during a call bridge |
US6674857B1 (en) * | 1999-10-08 | 2004-01-06 | Agere Systems Inc. | Startup procedure for international line powered DAA |
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 |
US6842459B1 (en) * | 2000-04-19 | 2005-01-11 | Serconet Ltd. | Network combining wired and non-wired segments |
US7660408B1 (en) | 2000-04-28 | 2010-02-09 | 3Com Corporation | Attenuation and termination circuit using impedance synthesis |
US6573729B1 (en) | 2000-08-28 | 2003-06-03 | 3Com Corporation | Systems and methods for impedance synthesis |
DE10122422A1 (de) | 2001-05-09 | 2002-11-21 | Siemens Ag | Verfahren und Vorrichtung zum Einstellen der Bandbreite einer Verbindung zwischen mindestens zwei Kommunikationsendpunkten in einem Datennetz |
EP1276305A1 (de) * | 2001-05-30 | 2003-01-15 | Texas Instruments Incorporated | System und Vorrichtung zur Isolation eines Modems |
IL154234A (en) | 2003-01-30 | 2010-12-30 | Mosaid Technologies Inc | Method and system for providing dc power on local telephone lines |
FR2859856A1 (fr) * | 2003-09-16 | 2005-03-18 | France Telecom | Systeme et disposiif d'alimentation a distance d'un equipement de traitement d'informations |
IL159838A0 (en) * | 2004-01-13 | 2004-06-20 | Yehuda Binder | Information device |
US8050390B2 (en) | 2004-04-13 | 2011-11-01 | Telecom Italia S.P.A. | Device and a method for feeding electric devices from a telephone line |
EP2045791B1 (de) * | 2007-10-01 | 2014-01-15 | Siemens Aktiengesellschaft | Elektronische Vorrichtung |
US7986586B2 (en) | 2008-04-08 | 2011-07-26 | Pgs Geophysical As | Method for deghosting marine seismic streamer data with irregular receiver positions |
US8274858B2 (en) | 2009-11-12 | 2012-09-25 | Pgs Geophysical As | Method for full-bandwidth deghosting of marine seismic streamer data |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4578533A (en) * | 1980-11-03 | 1986-03-25 | Universal Data Systems, Inc. | Switchable line powered modem |
US4395590A (en) * | 1980-11-03 | 1983-07-26 | Universal Data Systems, Inc. | Line powered modem |
US4415774A (en) * | 1981-11-25 | 1983-11-15 | Universal Data Systems, Inc. | Line powered modem automatic answer device powered from equipment |
JPS58159668A (ja) * | 1982-03-16 | 1983-09-22 | Canon Inc | 複写機の電源装置 |
JPS59188269A (ja) * | 1984-03-22 | 1984-10-25 | Anritsu Corp | 公衆電話機の制御回路用電源回路 |
JPS60207454A (ja) * | 1984-03-30 | 1985-10-19 | Hitachi Ltd | スイツチングレギユレ−タ |
US4593389A (en) * | 1984-06-28 | 1986-06-03 | Henry Wurzburg | Simultaneous voice and asynchronous data telephone |
JPS6286947A (ja) * | 1985-10-12 | 1987-04-21 | Sharp Corp | デ−タ端末装置とデ−タ通信端末装置のインタ−フエイス |
US4691344A (en) * | 1986-01-21 | 1987-09-01 | Aquatrol Corporation | Low-powered remote sensor and telephone line transmitter |
US4803719A (en) * | 1987-06-04 | 1989-02-07 | Ulrich Thomas J | Method for powering telephone apparatus and telephone apparatus powered directly from the telephone line without external power |
-
1988
- 1988-11-04 JP JP1988144263U patent/JPH0264261U/ja active Pending
-
1989
- 1989-10-25 CA CA002001472A patent/CA2001472C/en not_active Expired - Fee Related
- 1989-11-02 KR KR1019890015848A patent/KR960009904B1/ko not_active IP Right Cessation
- 1989-11-02 EP EP89120311A patent/EP0367270B1/de not_active Expired - Lifetime
- 1989-11-02 DE DE68925613T patent/DE68925613T2/de not_active Expired - Fee Related
-
1991
- 1991-05-08 US US07/696,935 patent/US5181240A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5181240A (en) | 1993-01-19 |
EP0367270A3 (de) | 1991-10-09 |
CA2001472A1 (en) | 1990-05-04 |
KR900008790A (ko) | 1990-06-03 |
DE68925613T2 (de) | 1996-07-25 |
EP0367270B1 (de) | 1996-02-07 |
JPH0264261U (de) | 1990-05-15 |
EP0367270A2 (de) | 1990-05-09 |
KR960009904B1 (ko) | 1996-07-24 |
CA2001472C (en) | 1994-03-15 |
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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 |