JPS55500804A - - Google Patents
Info
- Publication number
- JPS55500804A JPS55500804A JP50186179A JP50186179A JPS55500804A JP S55500804 A JPS55500804 A JP S55500804A JP 50186179 A JP50186179 A JP 50186179A JP 50186179 A JP50186179 A JP 50186179A JP S55500804 A JPS55500804 A JP S55500804A
- 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.)
- Pending
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)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Networks Using Active Elements (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/949,577 US4174470A (en) | 1978-10-10 | 1978-10-10 | Electronic hybrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55500804A true JPS55500804A (ja) | 1980-10-16 |
Family
ID=25489270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50186179A Pending JPS55500804A (ja) | 1978-10-10 | 1979-09-26 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4174470A (ja) |
| JP (1) | JPS55500804A (ja) |
| AU (1) | AU526596B2 (ja) |
| BE (1) | BE879280A (ja) |
| CA (1) | CA1136229A (ja) |
| DE (1) | DE2953174C2 (ja) |
| ES (1) | ES484854A1 (ja) |
| FR (1) | FR2438941A1 (ja) |
| GB (1) | GB2043408B (ja) |
| IL (1) | IL58393A (ja) |
| IT (1) | IT1124585B (ja) |
| NL (1) | NL7920114A (ja) |
| SE (1) | SE428856B (ja) |
| WO (1) | WO1980000769A1 (ja) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1123131A (en) * | 1978-02-28 | 1982-05-04 | Michael C.J. Cowpland | Transformerless trunk circuit |
| JPS54136253A (en) * | 1978-04-14 | 1979-10-23 | Nec Corp | Adaptive type electronic hybrid circuit |
| US4273963A (en) * | 1979-05-25 | 1981-06-16 | Bell Telephone Laboratories, Incorporated | Automatic equalization for digital transmission systems |
| DE3019835C2 (de) * | 1980-05-23 | 1983-12-01 | Siemens AG, 1000 Berlin und 8000 München | Übertragerfreie Gabelschaltung |
| US4377858A (en) * | 1980-10-23 | 1983-03-22 | International Telephone And Telegraph Corporation | Digital two-to-four wire converter for full duplex signals |
| US4381561A (en) * | 1980-10-23 | 1983-04-26 | International Telephone And Telegraph Corporation | All digital LSI line circuit for analog lines |
| US4322586A (en) * | 1980-11-13 | 1982-03-30 | Northern Telecom Limited | Transformerless line interface circuit |
| JPS5895488A (ja) * | 1981-12-02 | 1983-06-07 | Hitachi Ltd | ライン回路 |
| US5822426A (en) * | 1995-06-06 | 1998-10-13 | International Business Machines Corporation | Balanced hybrid circuit |
| US6681012B1 (en) | 1999-09-23 | 2004-01-20 | Nortel Networks Limited | Directional receiver coupling arrangement with frequency selectivity and gain control for DSL |
| US6788745B1 (en) * | 1999-11-17 | 2004-09-07 | Fujitsu Limited | Circuit and method for active termination of a transmission line |
| KR20020096008A (ko) * | 2001-06-19 | 2002-12-28 | 엘지전자 주식회사 | 안테나 정합 회로망 |
| US8385538B2 (en) * | 2008-12-10 | 2013-02-26 | Utc Fire & Security Americas Corporation, Inc. | Method, system, and apparatus for a differential transformer-free hybrid circuit |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3178521A (en) * | 1962-11-15 | 1965-04-13 | Bell Telephone Labor Inc | Dynamically balanced telephone network |
| US3530260A (en) * | 1966-12-23 | 1970-09-22 | Bell Telephone Labor Inc | Transistor hybrid circuit |
| GB1115216A (en) * | 1967-02-28 | 1968-05-29 | Standard Telephones Cables Ltd | Hybrid transformer |
| FR2160308B1 (ja) * | 1971-11-19 | 1977-01-28 | Labo Cent Telecommunicat | |
| US3753786A (en) * | 1972-03-29 | 1973-08-21 | Gould Inc | Method and apparatus for adjusting battery electrolyte concentration |
| US3973089A (en) * | 1973-10-29 | 1976-08-03 | General Electric Company | Adaptive hybrid circuit |
| US3970805A (en) * | 1974-02-22 | 1976-07-20 | Gte Automatic Electric (Canada) Limited | Active hybrid circuit |
| US3919502A (en) * | 1974-08-19 | 1975-11-11 | Bell Telephone Labor Inc | Balancing network for voice frequency telephone repeaters |
| US3982080A (en) * | 1975-01-16 | 1976-09-21 | Bell Telephone Laboratories, Incorporated | Automatic cable balancing network |
| US4004109A (en) * | 1975-05-09 | 1977-01-18 | Boxall Frank S | Hybrid circuit |
| US4064377A (en) * | 1976-03-11 | 1977-12-20 | Wescom Switching, Inc. | Electronic hybrid and hybrid repeater |
| US4074087A (en) * | 1976-08-16 | 1978-02-14 | Bell Telephone Laboratories, Incorporated | Bidirectional voice frequency repeater |
| US4096361A (en) * | 1977-06-20 | 1978-06-20 | Bell Telephone Laboratories, Incorporated | Test apparatus for obtaining impedance settings for hybrid balance networks |
| US4163878A (en) * | 1977-09-07 | 1979-08-07 | Wescom, Inc. | Electronic hybrid and hybrid repeater with bridge circuit |
-
1978
- 1978-10-10 US US05/949,577 patent/US4174470A/en not_active Expired - Lifetime
-
1979
- 1979-09-26 WO PCT/US1979/000784 patent/WO1980000769A1/en unknown
- 1979-09-26 JP JP50186179A patent/JPS55500804A/ja active Pending
- 1979-09-26 GB GB8018004A patent/GB2043408B/en not_active Expired
- 1979-09-26 DE DE2953174A patent/DE2953174C2/de not_active Expired
- 1979-09-26 NL NL7920114A patent/NL7920114A/nl unknown
- 1979-10-04 IL IL58393A patent/IL58393A/xx unknown
- 1979-10-08 IT IT26319/79A patent/IT1124585B/it active
- 1979-10-09 AU AU51596/79A patent/AU526596B2/en not_active Ceased
- 1979-10-09 ES ES484854A patent/ES484854A1/es not_active Expired
- 1979-10-09 BE BE0/197539A patent/BE879280A/fr not_active IP Right Cessation
- 1979-10-09 CA CA000337232A patent/CA1136229A/en not_active Expired
- 1979-10-10 FR FR7925206A patent/FR2438941A1/fr active Granted
-
1980
- 1980-06-06 SE SE8004258A patent/SE428856B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1980000769A1 (en) | 1980-04-17 |
| US4174470A (en) | 1979-11-13 |
| SE8004258L (sv) | 1980-06-06 |
| FR2438941B1 (ja) | 1985-01-11 |
| IT7926319A0 (it) | 1979-10-08 |
| DE2953174C2 (de) | 1986-05-15 |
| GB2043408B (en) | 1983-01-26 |
| DE2953174A1 (en) | 1980-12-04 |
| IL58393A (en) | 1981-12-31 |
| NL7920114A (nl) | 1980-08-29 |
| ES484854A1 (es) | 1980-05-16 |
| AU5159679A (en) | 1980-04-17 |
| FR2438941A1 (fr) | 1980-05-09 |
| IL58393A0 (en) | 1980-01-31 |
| AU526596B2 (en) | 1983-01-20 |
| GB2043408A (en) | 1980-10-01 |
| BE879280A (fr) | 1980-02-01 |
| SE428856B (sv) | 1983-07-25 |
| CA1136229A (en) | 1982-11-23 |
| IT1124585B (it) | 1986-05-07 |