FR2703866B1 - Dispositif de couplage par opto-coupleur entre un modem et une ligne téléphonique. - Google Patents

Dispositif de couplage par opto-coupleur entre un modem et une ligne téléphonique.

Info

Publication number
FR2703866B1
FR2703866B1 FR9304481A FR9304481A FR2703866B1 FR 2703866 B1 FR2703866 B1 FR 2703866B1 FR 9304481 A FR9304481 A FR 9304481A FR 9304481 A FR9304481 A FR 9304481A FR 2703866 B1 FR2703866 B1 FR 2703866B1
Authority
FR
France
Prior art keywords
modem
coupling device
telephone line
optocoupler
optocoupler coupling
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
FR9304481A
Other languages
English (en)
Other versions
FR2703866A1 (fr
Inventor
Dominique Andrieu
Innocenzo Francione
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.)
Boeing North American Inc
Original Assignee
Rockwell International Corp
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 Rockwell International Corp filed Critical Rockwell International Corp
Priority to FR9304481A priority Critical patent/FR2703866B1/fr
Priority to US08/213,353 priority patent/US5481606A/en
Publication of FR2703866A1 publication Critical patent/FR2703866A1/fr
Application granted granted Critical
Publication of FR2703866B1 publication Critical patent/FR2703866B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/785—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling field-effect transistor switches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
    • H04B10/801—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections
    • H04B10/802—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections for isolation, e.g. using optocouplers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Telephonic Communication Services (AREA)
FR9304481A 1993-04-09 1993-04-09 Dispositif de couplage par opto-coupleur entre un modem et une ligne téléphonique. Expired - Lifetime FR2703866B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9304481A FR2703866B1 (fr) 1993-04-09 1993-04-09 Dispositif de couplage par opto-coupleur entre un modem et une ligne téléphonique.
US08/213,353 US5481606A (en) 1993-04-09 1994-03-15 Opto-coupling device between a modem and a telephone line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9304481A FR2703866B1 (fr) 1993-04-09 1993-04-09 Dispositif de couplage par opto-coupleur entre un modem et une ligne téléphonique.

Publications (2)

Publication Number Publication Date
FR2703866A1 FR2703866A1 (fr) 1994-10-14
FR2703866B1 true FR2703866B1 (fr) 1995-06-02

Family

ID=9446128

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9304481A Expired - Lifetime FR2703866B1 (fr) 1993-04-09 1993-04-09 Dispositif de couplage par opto-coupleur entre un modem et une ligne téléphonique.

Country Status (2)

Country Link
US (1) US5481606A (fr)
FR (1) FR2703866B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5734703A (en) * 1993-05-26 1998-03-31 Hitachi Maxell, Ltd. Hybrid circuit and data communication apparatus
DE19503164A1 (de) * 1994-02-04 1995-08-10 Siemens Comp Inc Optisch gekoppelte Datenanschalteanordnung und Gabelschaltung
US5465298A (en) * 1994-04-14 1995-11-07 Cermetek Microelectronics Solid state isolation device using opto-isolators
JP3394371B2 (ja) * 1995-09-29 2003-04-07 松下電器産業株式会社 絶縁伝送装置
US5946393A (en) * 1997-02-10 1999-08-31 Integration Associates, Inc. Data access arrangement
US6757381B1 (en) * 1998-08-13 2004-06-29 Eugene Robert Worley Design of telephone line interface circuits using a two chip opto-coupler with LEDs integrated onto silicon chips
US6643271B1 (en) 1999-04-30 2003-11-04 3Com Corporation Adjustable gain transmit cancellation in a full-duplex modem data access arrangement (DAA)
US6751202B1 (en) 1999-04-30 2004-06-15 3Com Corporation Filtered transmit cancellation in a full-duplex modem data access arrangement (DAA)
US6359972B1 (en) 1999-09-30 2002-03-19 Conexant Systems, Inc. Line in use detection
US6788782B1 (en) 2000-01-20 2004-09-07 3Com Corporation Method and apparatus for switching between multiple communication lines
JP3611507B2 (ja) * 2000-05-30 2005-01-19 松下電器産業株式会社 動きベクトル検出装置
US20110221275A1 (en) * 2010-03-12 2011-09-15 Al-Absi Munir A High output impedance current source

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190747A (en) * 1978-04-05 1980-02-26 Bell Telephone Laboratories, Incorporated Signal corrected optocoupled device
JPS5649584A (en) * 1979-09-28 1981-05-06 Ricoh Co Ltd Composite photocoupler
US4479066A (en) * 1980-03-28 1984-10-23 At&T Bell Laboratories AC/DC Current divider circuit
US4752693A (en) * 1983-03-31 1988-06-21 Tokyo Shibaura Denki Kabushiki Kaisha Circuit with a photo coupler
US5245654A (en) * 1991-10-10 1993-09-14 Cermetek Microelectronics, Inc. Solid state isolation device using opto-isolators

Also Published As

Publication number Publication date
FR2703866A1 (fr) 1994-10-14
US5481606A (en) 1996-01-02

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