JPS5412182B2 - - Google Patents
Info
- Publication number
- JPS5412182B2 JPS5412182B2 JP6552573A JP6552573A JPS5412182B2 JP S5412182 B2 JPS5412182 B2 JP S5412182B2 JP 6552573 A JP6552573 A JP 6552573A JP 6552573 A JP6552573 A JP 6552573A JP S5412182 B2 JPS5412182 B2 JP S5412182B2
- Authority
- JP
- Japan
- 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
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
- H04B1/586—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)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
- Transceivers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7208148A NL7208148A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-15 | 1972-06-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4952550A JPS4952550A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-22 |
| JPS5412182B2 true JPS5412182B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-05-21 |
Family
ID=19816281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6552573A Expired JPS5412182B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-15 | 1973-06-12 |
Country Status (9)
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004109A (en) * | 1975-05-09 | 1977-01-18 | Boxall Frank S | Hybrid circuit |
| JPS5413715A (en) * | 1977-07-01 | 1979-02-01 | Nippon Telegr & Teleph Corp <Ntt> | Four-wire switching system |
| US4203012A (en) * | 1977-07-14 | 1980-05-13 | Boxall Frank S | Hybrid circuit using current mirror circuits |
| FR2437757A2 (fr) * | 1978-06-26 | 1980-04-25 | Trt Telecom Radio Electr | Joncteur d'abonne destine a assurer un couplage en deux fils ou quatre fils avec un central telephonique |
| DE2833768C2 (de) * | 1978-08-01 | 1982-07-01 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur spulen-, relaiskontakt- und transformatorfreien Rufstrom- und Schleifenstromeinspeisung |
| DE2833722C2 (de) * | 1978-08-01 | 1982-06-03 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur spulen-, relaiskontakt- und transformatorfreien Rufstrom- und Schleifenstromeinspeisung |
| DE2838038A1 (de) * | 1978-08-31 | 1980-03-13 | Siemens Ag | Einspeiseeinheit mit hohem ausgangsseitigen innenwiderstand |
| US4272656A (en) * | 1979-04-05 | 1981-06-09 | Precision Monolithics, Inc. | Quasi-resistive battery feed for telephone circuits |
| NL7903797A (nl) * | 1979-05-15 | 1980-11-18 | Philips Nv | Vorkschakeling. |
| US4300023A (en) * | 1979-08-13 | 1981-11-10 | Motorola, Inc. | Hybrid circuit |
| US4331842A (en) * | 1980-02-11 | 1982-05-25 | Reliance Electric Company | Voice frequency repeater and term sets and other circuits therefor |
| US4326109A (en) * | 1980-04-11 | 1982-04-20 | Northern Telecom Limited | Apparatus for coupling a two-way transmission path to a one-way transmitting path and a one-way receiving path |
| US4314196A (en) * | 1980-07-14 | 1982-02-02 | Motorola Inc. | Current limiting circuit |
| US4358645A (en) * | 1980-08-05 | 1982-11-09 | Motorola, Inc. | Loop sensing circuit for use with a subscriber loop interface circuit |
| JPS57104336A (en) * | 1980-12-20 | 1982-06-29 | Oki Electric Ind Co Ltd | Hybrid circuit |
| CA1177985A (en) * | 1981-09-24 | 1984-11-13 | Don W. Zobel | Electronic terminator circuit |
| US4431874A (en) * | 1981-09-24 | 1984-02-14 | Motorola, Inc. | Balanced current multiplier circuit for a subscriber loop interface circuit |
| US4485341A (en) * | 1982-07-28 | 1984-11-27 | Motorola, Inc. | Current limiter circuit |
| US6792105B1 (en) | 2000-10-31 | 2004-09-14 | 3Com Corporation | Current-mode differential active hybrid circuit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2511948A (en) * | 1950-06-20 | Hybrid circuit | ||
| GB905396A (en) * | 1958-01-22 | 1962-09-05 | Ericsson Telefon Ab L M | Improvements in or relating to two-way amplifiers for connecting two sections of a transmission line |
| NL280765A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-08-07 | |||
| NL7000395A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-01-13 | 1971-07-15 | ||
| NL7102199A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-02-19 | 1972-08-22 |
-
1972
- 1972-06-15 NL NL7208148A patent/NL7208148A/xx not_active Application Discontinuation
-
1973
- 1973-05-07 US US00357801A patent/US3849609A/en not_active Expired - Lifetime
- 1973-05-26 DE DE2327061A patent/DE2327061C3/de not_active Expired
- 1973-06-07 CA CA173,498A patent/CA975480A/en not_active Expired
- 1973-06-12 SE SE7308242A patent/SE387024B/xx unknown
- 1973-06-12 FR FR7321206A patent/FR2189952B1/fr not_active Expired
- 1973-06-12 GB GB2782873A patent/GB1423456A/en not_active Expired
- 1973-06-12 JP JP6552573A patent/JPS5412182B2/ja not_active Expired
- 1973-06-13 IT IT68734/73A patent/IT986451B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2189952B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-05-28 |
| GB1423456A (en) | 1976-02-04 |
| DE2327061B2 (de) | 1976-10-14 |
| US3849609A (en) | 1974-11-19 |
| AU5675773A (en) | 1974-12-12 |
| DE2327061A1 (de) | 1973-12-20 |
| NL7208148A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-12-18 |
| SE387024B (sv) | 1976-08-23 |
| FR2189952A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-25 |
| IT986451B (it) | 1975-01-30 |
| JPS4952550A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-22 |
| CA975480A (en) | 1975-09-30 |
| DE2327061C3 (de) | 1982-01-07 |