JPS61500698A - 光フアイバデイジタルデ−タ伝送システム - Google Patents

光フアイバデイジタルデ−タ伝送システム

Info

Publication number
JPS61500698A
JPS61500698A JP84501098A JP50109884A JPS61500698A JP S61500698 A JPS61500698 A JP S61500698A JP 84501098 A JP84501098 A JP 84501098A JP 50109884 A JP50109884 A JP 50109884A JP S61500698 A JPS61500698 A JP S61500698A
Authority
JP
Japan
Prior art keywords
signal
time
digital
varying
generating
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.)
Pending
Application number
JP84501098A
Other languages
English (en)
Japanese (ja)
Inventor
カン,ラウレイ・ア−ル
Original Assignee
オプティカル・コミュニケ−ションズ・コ−ポレ−ション
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 オプティカル・コミュニケ−ションズ・コ−ポレ−ション filed Critical オプティカル・コミュニケ−ションズ・コ−ポレ−ション
Publication of JPS61500698A publication Critical patent/JPS61500698A/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D3/00Details of, or accessories for, stringed musical instruments, e.g. slide-bars
    • G10D3/06Necks; Fingerboards, e.g. fret boards
    • G10D3/08Fingerboards in the form of keyboards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/516Details of coding or modulation
    • H04B10/54Intensity modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60Receivers
    • H04B10/66Non-coherent receivers, e.g. using direct detection
    • H04B10/69Electrical arrangements in the receiver
    • H04B10/695Arrangements for optimizing the decision element in the receiver, e.g. by using automatic threshold control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J7/00Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/04Channels characterised by the type of signal the signals being represented by different amplitudes or polarities, e.g. quadriplex

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Optical Communication System (AREA)
  • Dc Digital Transmission (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Stringed Musical Instruments (AREA)
  • Time-Division Multiplex Systems (AREA)
JP84501098A 1981-07-29 1983-12-09 光フアイバデイジタルデ−タ伝送システム Pending JPS61500698A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/288,111 US4420842A (en) 1981-07-29 1981-07-29 Fiber optic digital data transmitting system
US288111 1981-07-29
PCT/US1983/001934 WO1985002733A1 (en) 1981-07-29 1983-12-09 Fiber optic digital data transmitting system

Publications (1)

Publication Number Publication Date
JPS61500698A true JPS61500698A (ja) 1986-04-10

Family

ID=23105784

Family Applications (2)

Application Number Title Priority Date Filing Date
JP84501098A Pending JPS61500698A (ja) 1981-07-29 1983-12-09 光フアイバデイジタルデ−タ伝送システム
JP59501098A Expired - Lifetime JPH0828679B2 (ja) 1981-07-29 1983-12-09 光フアイバデイジタルデ−タ伝送システム

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP59501098A Expired - Lifetime JPH0828679B2 (ja) 1981-07-29 1983-12-09 光フアイバデイジタルデ−タ伝送システム

Country Status (11)

Country Link
US (2) US4420842A (en, 2012)
EP (1) EP0165242B1 (en, 2012)
JP (2) JPS61500698A (en, 2012)
AU (1) AU564104B2 (en, 2012)
CA (1) CA1215119A (en, 2012)
CH (1) CH670177A5 (en, 2012)
DE (1) DE3390559T1 (en, 2012)
GB (1) GB2161339B (en, 2012)
NL (1) NL193600C (en, 2012)
SE (1) SE464791B (en, 2012)
WO (1) WO1985002733A1 (en, 2012)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420842A (en) * 1981-07-29 1983-12-13 Kuhn Loughrey R Fiber optic digital data transmitting system
NL8200002A (nl) * 1982-01-04 1983-08-01 Philips Nv Foutlocalisatie-inrichting voor digitaal optische transmissiesysteem.
US4523099A (en) * 1983-04-29 1985-06-11 Lavine Michael K Device for transmitting analog sensor data via fiber optics
US4583096A (en) * 1983-05-23 1986-04-15 The United States Of America As Represented By The Secretary Of The Air Force Fiber optic data distribution for phased array antenna
GB2155718B (en) * 1984-03-08 1987-01-28 Standard Telephones Cables Ltd Local area network
DE3446474C2 (de) * 1984-12-20 1987-04-09 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Lichtmodulator auf Flüssigkristallbasis
US5274673A (en) * 1990-06-22 1993-12-28 Japan Aviation Electronics Industry Limited Optical bus transmission method and transmitting-side encoder and receiving-side decoder therefor
JPH05122159A (ja) * 1991-05-13 1993-05-18 Internatl Business Mach Corp <Ibm> 伝送信号の信号対雑音比の改良方法及び光学的相互接続システム
US5828696A (en) * 1995-03-30 1998-10-27 Lucent Technologies Inc. Timing recovery in a network-synchronized modem
US7068948B2 (en) * 2001-06-13 2006-06-27 Gazillion Bits, Inc. Generation of optical signals with return-to-zero format
US6686997B1 (en) * 2001-08-27 2004-02-03 Raytheon Company Apparatus and a method for pulse detection and characterization
US7577358B2 (en) * 2002-01-30 2009-08-18 Ericsson Telecomunicacoes S.A. Apparatus, system and method for optical packet switching using frequency header
US20050102191A1 (en) * 2003-11-07 2005-05-12 Heller Andrew R. Method for retailing electronic media

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5269506A (en) * 1975-12-08 1977-06-09 Fujitsu Ltd Secondary carrier wave piling pcm-im communication system
JPS58161553A (ja) * 1982-03-19 1983-09-26 Nec Corp バイボ−ラ信号光送信/受信装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238843A (en) * 1961-11-15 1966-03-08 Ibm Electro-optical devices utilizing the stark shift phenomenon
DE2131787C3 (de) * 1971-06-26 1973-12-20 Ibm Deutschland Gmbh, 7000 Stuttgart Schaltungsanordnung zur Fehlerfeststellung bei Datenverarbeitungssystemen
US3717769A (en) * 1971-08-16 1973-02-20 Bell Telephone Labor Inc Optical fiber equalizer
DE2626324A1 (de) * 1975-06-23 1977-01-13 Motorola Inc Kohaerenter phasendemodulator
CA1119254A (en) * 1978-04-18 1982-03-02 Joseph H. Greenberg Fiber optics high speed modem
US4229830A (en) * 1979-06-01 1980-10-21 Ampex Corporation Apparatus and method for providing a modulation format for multiple wideband signal transmission
US4317236A (en) * 1980-02-25 1982-02-23 Bell Telephone Laboratories, Incorporated Laser digital transmitter
US4420842A (en) * 1981-07-29 1983-12-13 Kuhn Loughrey R Fiber optic digital data transmitting system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5269506A (en) * 1975-12-08 1977-06-09 Fujitsu Ltd Secondary carrier wave piling pcm-im communication system
JPS58161553A (ja) * 1982-03-19 1983-09-26 Nec Corp バイボ−ラ信号光送信/受信装置

Also Published As

Publication number Publication date
SE8503764L (sv) 1985-08-09
WO1985002733A1 (en) 1985-06-20
NL193600B (nl) 1999-11-01
NL8320434A (nl) 1985-11-01
JPS59500026A (ja) 1984-01-05
GB2161339B (en) 1987-03-18
CA1215119A (en) 1986-12-09
SE8503764D0 (en, 2012) 1985-08-09
EP0165242A4 (en) 1987-07-27
NL193600C (nl) 2000-03-02
GB2161339A (en) 1986-01-08
CH670177A5 (en, 2012) 1989-05-12
US4420842A (en) 1983-12-13
AU564104B2 (en) 1987-07-30
DE3390559T1 (de) 1986-02-20
EP0165242B1 (en) 1990-04-25
USRE34676E (en) 1994-07-26
AU2650884A (en) 1985-06-26
JPH0828679B2 (ja) 1996-03-21
EP0165242A1 (en) 1985-12-27
SE464791B (sv) 1991-06-10
GB8519984D0 (en) 1985-09-18

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