GB1337364A - Optical communications system - Google Patents

Optical communications system

Info

Publication number
GB1337364A
GB1337364A GB569372A GB569372A GB1337364A GB 1337364 A GB1337364 A GB 1337364A GB 569372 A GB569372 A GB 569372A GB 569372 A GB569372 A GB 569372A GB 1337364 A GB1337364 A GB 1337364A
Authority
GB
United Kingdom
Prior art keywords
bits
synchronization
receiver
pulses
word
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
Application number
GB569372A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1337364A publication Critical patent/GB1337364A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/08—Time-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0075—Arrangements for synchronising receiver with transmitter with photonic or optical means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
GB569372A 1971-02-26 1972-02-08 Optical communications system Expired GB1337364A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11927671A 1971-02-26 1971-02-26

Publications (1)

Publication Number Publication Date
GB1337364A true GB1337364A (en) 1973-11-14

Family

ID=22383506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB569372A Expired GB1337364A (en) 1971-02-26 1972-02-08 Optical communications system

Country Status (4)

Country Link
US (1) US3699344A (cg-RX-API-DMAC7.html)
DE (1) DE2208663A1 (cg-RX-API-DMAC7.html)
FR (1) FR2127614A5 (cg-RX-API-DMAC7.html)
GB (1) GB1337364A (cg-RX-API-DMAC7.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644522A (en) * 1983-10-21 1987-02-17 At&T Bell Laboratories Information transmission using dispersive optical channels
US5579166A (en) * 1992-08-05 1996-11-26 Beiting; Edward J. Precision optical pulse train generator
US5349611A (en) * 1992-11-13 1994-09-20 Ampex Systems Corporation Recovering synchronization in a data stream
US5524155A (en) * 1995-01-06 1996-06-04 Texas Instruments Incorporated Demultiplexer for wavelength-multiplexed optical signal
US5923667A (en) * 1996-06-28 1999-07-13 International Business Machines Corporation System and method for creating N-times bandwidth from N separate physical lines
FR2769154B1 (fr) * 1997-09-30 1999-12-03 Thomson Csf Dispositif de synchronisation precise

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506834A (en) * 1967-04-17 1970-04-14 Bell Telephone Labor Inc Time-division multiplex optical transmission system
US3521068A (en) * 1967-06-15 1970-07-21 Ibm Optical time division multiplex communication system

Also Published As

Publication number Publication date
US3699344A (en) 1972-10-17
DE2208663A1 (de) 1972-08-31
FR2127614A5 (cg-RX-API-DMAC7.html) 1972-10-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee