CH624517A5 - Electronic hybrid circuit - Google Patents
Electronic hybrid circuit Download PDFInfo
- Publication number
- CH624517A5 CH624517A5 CH992177A CH992177A CH624517A5 CH 624517 A5 CH624517 A5 CH 624517A5 CH 992177 A CH992177 A CH 992177A CH 992177 A CH992177 A CH 992177A CH 624517 A5 CH624517 A5 CH 624517A5
- Authority
- CH
- Switzerland
- Prior art keywords
- access
- hybrid
- amplifier
- output
- wire line
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/03—Hybrid circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/36—Repeater circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/58—Anti-side-tone circuits
- H04M1/585—Anti-side-tone circuits implemented without inductive element
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/005—Interface circuits for subscriber lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Interface Circuits In Exchanges (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/665,813 US4064377A (en) | 1976-03-11 | 1976-03-11 | Electronic hybrid and hybrid repeater |
Publications (1)
Publication Number | Publication Date |
---|---|
CH624517A5 true CH624517A5 (en) | 1981-07-31 |
Family
ID=24671666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH992177A CH624517A5 (en) | 1976-03-11 | 1977-08-12 | Electronic hybrid circuit |
Country Status (10)
Country | Link |
---|---|
US (1) | US4064377A (sv) |
AU (1) | AU507626B2 (sv) |
BE (1) | BE857768A (sv) |
CA (1) | CA1080869A (sv) |
CH (1) | CH624517A5 (sv) |
DE (1) | DE2736142A1 (sv) |
FR (1) | FR2400280A1 (sv) |
GB (1) | GB1546257A (sv) |
NL (1) | NL7708938A (sv) |
SE (1) | SE407654B (sv) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5921237B2 (ja) * | 1978-02-01 | 1984-05-18 | ミテル・コ−ポレ−シヨン | 電話ライン回路 |
CA1123131A (en) * | 1978-02-28 | 1982-05-04 | Michael C.J. Cowpland | Transformerless trunk circuit |
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 |
US4181824A (en) * | 1978-10-10 | 1980-01-01 | Bell Telephone Laboratories, Incorporated | Balancing impedance circuit |
US4174470A (en) * | 1978-10-10 | 1979-11-13 | Bell Telephone Laboratories, Incorporated | Electronic hybrid |
US4278847A (en) * | 1979-02-26 | 1981-07-14 | Tii Corporation | Transformerless hybrid circuits |
NL7903663A (nl) * | 1979-05-10 | 1980-11-12 | Philips Nv | Versterker voor toepassing in een lijncircuit. |
NL7903664A (nl) * | 1979-05-10 | 1980-11-12 | Philips Nv | Lijncircuit. |
NL7903662A (nl) * | 1979-05-10 | 1980-11-12 | Philips Nv | Lijncircuit. |
US4292478A (en) * | 1979-05-25 | 1981-09-29 | Plessey Canada Limited | Interface circuits |
NL7904159A (nl) * | 1979-05-28 | 1980-12-02 | Philips Nv | Inrichting voor het toevoeren van signalen aan een telefoonlijn. |
US4375015A (en) * | 1979-06-04 | 1983-02-22 | Tellabs, Inc. | Improved electronic hybrid circuit |
FR2481035A1 (fr) * | 1980-04-18 | 1981-10-23 | Trt Telecom Radio Electr | Perfectionnements aux joncteurs d'abonne electroniques |
US4388500A (en) * | 1981-02-27 | 1983-06-14 | Wescom, Inc. | Electronic hybrid |
BR8401869A (pt) * | 1984-04-23 | 1985-11-26 | Microlab Sa | Repetidor de frequencia de voz |
DE3428106A1 (de) * | 1984-07-30 | 1986-02-06 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Teilnehmeranschlussschaltung |
US4744103A (en) * | 1985-11-27 | 1988-05-10 | Rauland-Borg Corporation | Computer controlled multi-link communication system |
US4968740A (en) * | 1987-01-20 | 1990-11-06 | The Dow Chemical Company | Latex based adhesive prepared by emulsion polymerization |
JPH0787404B2 (ja) * | 1987-12-16 | 1995-09-20 | 株式会社ミュ−コム | テレビ電話機に使用する伝送装置 |
JP2999214B2 (ja) * | 1990-03-02 | 2000-01-17 | 株式会社東芝 | 伝送入出力回路 |
US5282157A (en) * | 1990-09-13 | 1994-01-25 | Telecom Analysis Systems, Inc. | Input impedance derived from a transfer network |
US5245654A (en) | 1991-10-10 | 1993-09-14 | Cermetek Microelectronics, Inc. | Solid state isolation device using opto-isolators |
WO1994003990A1 (en) * | 1992-08-07 | 1994-02-17 | Pascom Technologies Pty. Ltd. | Isolation interface apparatus |
US5465298A (en) * | 1994-04-14 | 1995-11-07 | Cermetek Microelectronics | Solid state isolation device using opto-isolators |
US5946393A (en) * | 1997-02-10 | 1999-08-31 | Integration Associates, Inc. | Data access arrangement |
WO1999064875A1 (en) * | 1998-06-09 | 1999-12-16 | Koninklijke Philips Electronics N.V. | Current measuring device and telephone terminal using such a current measuring device |
US6735302B1 (en) * | 1999-05-28 | 2004-05-11 | Broadcom Corporation | DSP based SLIC architecture with current-sensing voltage synthesis impedance matching and DC feed control |
CA2374370A1 (en) * | 2002-03-04 | 2003-09-04 | Northern Airborne Technology Ltd. | Universal tie line adapter |
US8742814B2 (en) | 2009-07-15 | 2014-06-03 | Yehuda Binder | Sequentially operated modules |
US8602833B2 (en) | 2009-08-06 | 2013-12-10 | May Patents Ltd. | Puzzle with conductive path |
US11330714B2 (en) | 2011-08-26 | 2022-05-10 | Sphero, Inc. | Modular electronic building systems with magnetic interconnections and methods of using the same |
US9019718B2 (en) | 2011-08-26 | 2015-04-28 | Littlebits Electronics Inc. | Modular electronic building systems with magnetic interconnections and methods of using the same |
US9597607B2 (en) | 2011-08-26 | 2017-03-21 | Littlebits Electronics Inc. | Modular electronic building systems with magnetic interconnections and methods of using the same |
US11616844B2 (en) | 2019-03-14 | 2023-03-28 | Sphero, Inc. | Modular electronic and digital building systems and methods of using the same |
US20220150041A1 (en) * | 2020-11-12 | 2022-05-12 | Avago Technologies International Sales Pte.Limited | Capacitive hybrid with pga for full duplex transceivers |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2282465A (en) * | 1941-02-27 | 1942-05-12 | Bell Telephone Labor Inc | Speech transmission system |
US3530260A (en) * | 1966-12-23 | 1970-09-22 | Bell Telephone Labor Inc | Transistor hybrid circuit |
US3914560A (en) * | 1971-10-13 | 1975-10-21 | Superior Continental Corp | Self-adjusting repeater for voice frequency telephone transmission systems |
FR2160308B1 (sv) * | 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 |
GB1515510A (en) * | 1974-11-27 | 1978-06-28 | Plessey Co Ltd | Transmission networks for telephone system |
US4004109A (en) * | 1975-05-09 | 1977-01-18 | Boxall Frank S | Hybrid circuit |
US4041252A (en) * | 1976-06-07 | 1977-08-09 | North Electric Company | Transformerless two-wire/four-wire hybrid with DC sourcing capability |
-
1976
- 1976-03-11 US US05/665,813 patent/US4064377A/en not_active Expired - Lifetime
-
1977
- 1977-03-10 CA CA273,651A patent/CA1080869A/en not_active Expired
- 1977-03-10 GB GB10154/77A patent/GB1546257A/en not_active Expired
- 1977-08-01 AU AU27517/77A patent/AU507626B2/en not_active Expired
- 1977-08-11 DE DE19772736142 patent/DE2736142A1/de not_active Withdrawn
- 1977-08-11 FR FR7724776A patent/FR2400280A1/fr active Granted
- 1977-08-12 CH CH992177A patent/CH624517A5/fr not_active IP Right Cessation
- 1977-08-12 BE BE180153A patent/BE857768A/xx not_active IP Right Cessation
- 1977-08-12 NL NL777708938A patent/NL7708938A/xx not_active Application Discontinuation
- 1977-08-15 SE SE7709204A patent/SE407654B/sv unknown
Also Published As
Publication number | Publication date |
---|---|
GB1546257A (en) | 1979-05-23 |
FR2400280A1 (fr) | 1979-03-09 |
CA1080869A (en) | 1980-07-01 |
BE857768A (fr) | 1977-12-01 |
NL7708938A (nl) | 1979-02-14 |
AU2751777A (en) | 1979-02-08 |
US4064377A (en) | 1977-12-20 |
FR2400280B1 (sv) | 1981-12-24 |
AU507626B2 (en) | 1980-02-21 |
SE407654B (sv) | 1979-04-02 |
SE7709204L (sv) | 1979-02-16 |
DE2736142A1 (de) | 1979-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |