DE60031934D1 - Schaltung einer Telefonleitungschnittstelle - Google Patents

Schaltung einer Telefonleitungschnittstelle

Info

Publication number
DE60031934D1
DE60031934D1 DE60031934T DE60031934T DE60031934D1 DE 60031934 D1 DE60031934 D1 DE 60031934D1 DE 60031934 T DE60031934 T DE 60031934T DE 60031934 T DE60031934 T DE 60031934T DE 60031934 D1 DE60031934 D1 DE 60031934D1
Authority
DE
Germany
Prior art keywords
circuit
telephone line
line interface
interface
telephone
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 - Lifetime
Application number
DE60031934T
Other languages
English (en)
Inventor
Albert Vareljian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics lnc USA
Original Assignee
STMicroelectronics lnc USA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by STMicroelectronics lnc USA filed Critical STMicroelectronics lnc USA
Application granted granted Critical
Publication of DE60031934D1 publication Critical patent/DE60031934D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Networks Using Active Elements (AREA)
  • Dc Digital Transmission (AREA)
DE60031934T 1999-09-30 2000-09-20 Schaltung einer Telefonleitungschnittstelle Expired - Lifetime DE60031934D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/408,742 US7050574B1 (en) 1999-09-30 1999-09-30 Telephone line interface circuit and method

Publications (1)

Publication Number Publication Date
DE60031934D1 true DE60031934D1 (de) 2007-01-04

Family

ID=23617568

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60031934T Expired - Lifetime DE60031934D1 (de) 1999-09-30 2000-09-20 Schaltung einer Telefonleitungschnittstelle

Country Status (4)

Country Link
US (1) US7050574B1 (de)
EP (1) EP1089450B1 (de)
JP (1) JP2001160868A (de)
DE (1) DE60031934D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7738654B2 (en) * 2004-12-02 2010-06-15 Solarflare Communications, Inc. Isolation of transmit and receive signals
US7460662B2 (en) * 2004-12-02 2008-12-02 Solarflare Communications, Inc. Isolation of transmit and receive signals in full-duplex communication systems
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
US10484042B2 (en) * 2018-03-09 2019-11-19 Texas Instruments Incorporated Bidirectional data link

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934099A (en) 1974-08-16 1976-01-20 Bell Telephone Laboratories, Incorporated Bias, feedback and network arrangements for hybrid circuits
US4278847A (en) * 1979-02-26 1981-07-14 Tii Corporation Transformerless hybrid circuits
CA1157124A (en) * 1981-11-18 1983-11-15 David G. Agnew Hybrid circuit including capacitive charge-transfer means
US4878241A (en) * 1988-10-03 1989-10-31 Da-Tel Research Company, Incorporated Audio frequency interface for differential relays
US5734703A (en) * 1993-05-26 1998-03-31 Hitachi Maxell, Ltd. Hybrid circuit and data communication apparatus
US5541990A (en) * 1994-07-05 1996-07-30 Rockwell International Corporation Compensated hybrid
DE69521197T2 (de) 1995-04-11 2001-11-08 Stmicroelectronics S.R.L., Agrate Brianza Sprechschaltung für eine Fernsprechstelle
US5822426A (en) * 1995-06-06 1998-10-13 International Business Machines Corporation Balanced hybrid circuit
EP0923824B1 (de) * 1996-09-02 2003-05-28 STMicroelectronics N.V. Verbesserungen bei, oder in bezug auf, steuerkanäle für nachrichtenübertragungssysteme

Also Published As

Publication number Publication date
EP1089450B1 (de) 2006-11-22
US7050574B1 (en) 2006-05-23
JP2001160868A (ja) 2001-06-12
EP1089450A2 (de) 2001-04-04
EP1089450A3 (de) 2004-02-04

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Legal Events

Date Code Title Description
8332 No legal effect for de