GB2167258B - Optical communications system - Google Patents

Optical communications system

Info

Publication number
GB2167258B
GB2167258B GB08428891A GB8428891A GB2167258B GB 2167258 B GB2167258 B GB 2167258B GB 08428891 A GB08428891 A GB 08428891A GB 8428891 A GB8428891 A GB 8428891A GB 2167258 B GB2167258 B GB 2167258B
Authority
GB
United Kingdom
Prior art keywords
communications system
optical communications
optical
communications
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
GB08428891A
Other versions
GB2167258A (en
GB8428891D0 (en
Inventor
Stephen Wright
Martin John Pettitt
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB08428891A priority Critical patent/GB2167258B/en
Publication of GB8428891D0 publication Critical patent/GB8428891D0/en
Publication of GB2167258A publication Critical patent/GB2167258A/en
Application granted granted Critical
Publication of GB2167258B publication Critical patent/GB2167258B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [IF] is obtained

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
GB08428891A 1984-11-15 1984-11-15 Optical communications system Expired GB2167258B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08428891A GB2167258B (en) 1984-11-15 1984-11-15 Optical communications system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08428891A GB2167258B (en) 1984-11-15 1984-11-15 Optical communications system

Publications (3)

Publication Number Publication Date
GB8428891D0 GB8428891D0 (en) 1984-12-27
GB2167258A GB2167258A (en) 1986-05-21
GB2167258B true GB2167258B (en) 1988-03-02

Family

ID=10569782

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08428891A Expired GB2167258B (en) 1984-11-15 1984-11-15 Optical communications system

Country Status (1)

Country Link
GB (1) GB2167258B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783852A (en) * 1985-09-18 1988-11-08 Siemens Aktiengesellschaft Method and apparatus for acquiring information using a relative phase deviation of the optical signal of a local oscillator of a homodyne receiver

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530084A (en) * 1981-10-08 1985-07-16 Heinrich Hertz Institut Fuer Nachrichten Technik Communications network with optical channels

Also Published As

Publication number Publication date
GB2167258A (en) 1986-05-21
GB8428891D0 (en) 1984-12-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931115