ZA801769B - A hybrid circuit arrangement for a two-wire four-wire junction in a pcm t.d.m.system - Google Patents
A hybrid circuit arrangement for a two-wire four-wire junction in a pcm t.d.m.systemInfo
- Publication number
- ZA801769B ZA801769B ZA00801769A ZA801769A ZA801769B ZA 801769 B ZA801769 B ZA 801769B ZA 00801769 A ZA00801769 A ZA 00801769A ZA 801769 A ZA801769 A ZA 801769A ZA 801769 B ZA801769 B ZA 801769B
- Authority
- ZA
- South Africa
- Prior art keywords
- partial
- wire
- windings
- receiving branch
- network
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/581—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using a transformer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/586—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using an electronic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Time-Division Multiplex Systems (AREA)
- Filters And Equalizers (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2911866A DE2911866C3 (de) | 1979-03-26 | 1979-03-26 | Anordnung mit einer Gabelschaltung für den Zweidraht-Vierdraht-Übergang in PCM-Zeitmultiplexsystemen |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA801769B true ZA801769B (en) | 1981-03-25 |
Family
ID=6066468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00801769A ZA801769B (en) | 1979-03-26 | 1980-03-25 | A hybrid circuit arrangement for a two-wire four-wire junction in a pcm t.d.m.system |
Country Status (7)
Country | Link |
---|---|
US (1) | US4378472A (fr) |
EP (1) | EP0016472B1 (fr) |
JP (1) | JPS55132139A (fr) |
AT (1) | ATE4848T1 (fr) |
DE (2) | DE2911866C3 (fr) |
FI (1) | FI71450C (fr) |
ZA (1) | ZA801769B (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3138726A1 (de) * | 1981-09-29 | 1983-04-07 | Siemens AG, 1000 Berlin und 8000 München | Teilnehmeranschlussschaltung fuer den anschluss zweidraehtiger teilnehmeranschlussleitungen an eine vierdraehtig durchschaltende digitale zeitmultiplexvermittlungsstelle. |
US4595802A (en) * | 1983-11-29 | 1986-06-17 | Northern Telecom Limited | Hybrid circuit |
JPS60130235A (ja) * | 1983-12-16 | 1985-07-11 | Fujitsu Ltd | デ−タ・音声伝送装置 |
US4577255A (en) * | 1984-06-20 | 1986-03-18 | Itt Corporation | Lightning protection circuit for digital subscriber loop interface |
US5282157A (en) * | 1990-09-13 | 1994-01-25 | Telecom Analysis Systems, Inc. | Input impedance derived from a transfer network |
DE19919901C2 (de) * | 1999-04-30 | 2002-03-21 | Polytrax Inf Technology Ag | Signalübertragungsschaltung |
US6891881B2 (en) * | 2000-04-07 | 2005-05-10 | Broadcom Corporation | Method of determining an end of a transmitted frame in a frame-based communications network |
FR2871001A1 (fr) * | 2004-05-25 | 2005-12-02 | St Microelectronics Sa | Transformateur a changement de mode et filtre passe-bas |
WO2014070190A1 (fr) | 2012-11-02 | 2014-05-08 | Analogic Corporation | Transfert d'informations sans contact dans une modalité d'imagerie tdm |
US20190162510A1 (en) * | 2017-11-30 | 2019-05-30 | Timothy J. Flynn | Target label assembly and method of application |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1215805A (fr) * | 1958-11-18 | 1960-04-20 | Cie Ind Des Telephones | Perfectionnements aux amplificateurs à fréquence vocale |
DE1166276B (de) * | 1963-04-26 | 1964-03-26 | Siemens Ag | Gabeluebertrager fuer Lautfernsprecher |
DE2137201A1 (de) * | 1971-07-24 | 1973-02-01 | Licentia Gmbh | Gabelschaltung fuer die verzweigung einer gemeinsamen leitung auf eine ankommende und eine abgehende leitung, wobei die ankommende und die abgehende leitung an eine gemeinsame bezugsspannung angeschlossen sind, insbesondere fuer personenrufanlagen |
FR2166696A5 (fr) * | 1972-01-04 | 1973-08-17 | Ass Ouvriers Instr Preci | |
US3855431A (en) * | 1973-04-02 | 1974-12-17 | Itt | Electronic hybrid amplifier |
US3903378A (en) * | 1974-03-27 | 1975-09-02 | Gte Automatic Electric Lab Inc | Arrangement for controlling the gain of two-way amplifiers in accordance with loop lengths |
US4004109A (en) * | 1975-05-09 | 1977-01-18 | Boxall Frank S | Hybrid circuit |
US4074087A (en) * | 1976-08-16 | 1978-02-14 | Bell Telephone Laboratories, Incorporated | Bidirectional voice frequency repeater |
DE2734411C3 (de) * | 1977-07-29 | 1980-06-19 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Nachrichtenübertragungseinrichtung mit einem Vierdraht- oder Zweidraht-Nachrichtenübertragungsweg |
-
1979
- 1979-03-26 DE DE2911866A patent/DE2911866C3/de not_active Expired
-
1980
- 1980-03-06 US US06/127,568 patent/US4378472A/en not_active Expired - Lifetime
- 1980-03-21 AT AT80101510T patent/ATE4848T1/de not_active IP Right Cessation
- 1980-03-21 DE DE8080101510T patent/DE3065005D1/de not_active Expired
- 1980-03-21 EP EP80101510A patent/EP0016472B1/fr not_active Expired
- 1980-03-25 FI FI800918A patent/FI71450C/fi not_active IP Right Cessation
- 1980-03-25 ZA ZA00801769A patent/ZA801769B/xx unknown
- 1980-03-26 JP JP3766980A patent/JPS55132139A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3065005D1 (en) | 1983-11-03 |
DE2911866C3 (de) | 1982-03-11 |
EP0016472A1 (fr) | 1980-10-01 |
JPS55132139A (en) | 1980-10-14 |
DE2911866B2 (de) | 1981-06-19 |
FI71450B (fi) | 1986-09-09 |
FI800918A (fi) | 1980-09-27 |
US4378472A (en) | 1983-03-29 |
ATE4848T1 (de) | 1983-10-15 |
EP0016472B1 (fr) | 1983-09-28 |
FI71450C (fi) | 1986-12-19 |
DE2911866A1 (de) | 1980-10-02 |
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