GB2153615B - A telecommunications system employing optical signals for transmission - Google Patents

A telecommunications system employing optical signals for transmission

Info

Publication number
GB2153615B
GB2153615B GB8424811A GB8424811A GB2153615B GB 2153615 B GB2153615 B GB 2153615B GB 8424811 A GB8424811 A GB 8424811A GB 8424811 A GB8424811 A GB 8424811A GB 2153615 B GB2153615 B GB 2153615B
Authority
GB
United Kingdom
Prior art keywords
transmission
optical signals
telecommunications system
system employing
employing optical
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
GB8424811A
Other versions
GB8424811D0 (en
GB2153615A (en
Inventor
David John Taylor Heatley
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications 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
Priority claimed from GB8128039A external-priority patent/GB2083964B/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GB8424811A priority Critical patent/GB2153615B/en
Publication of GB8424811D0 publication Critical patent/GB8424811D0/en
Publication of GB2153615A publication Critical patent/GB2153615A/en
Application granted granted Critical
Publication of GB2153615B publication Critical patent/GB2153615B/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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/2933—Signal power control considering the whole optical path
    • H04B10/2937—Systems with a repeater placed only at the beginning or the end of the system, i.e. repeaterless systems, e.g. systems with only post and pre-amplification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
GB8424811A 1980-09-16 1984-10-02 A telecommunications system employing optical signals for transmission Expired GB2153615B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8424811A GB2153615B (en) 1980-09-16 1984-10-02 A telecommunications system employing optical signals for transmission

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8029852 1980-09-16
GB8128039A GB2083964B (en) 1980-09-16 1981-09-16 A telecommunications system employing optical signals for transmission
GB8424811A GB2153615B (en) 1980-09-16 1984-10-02 A telecommunications system employing optical signals for transmission

Publications (3)

Publication Number Publication Date
GB8424811D0 GB8424811D0 (en) 1984-11-07
GB2153615A GB2153615A (en) 1985-08-21
GB2153615B true GB2153615B (en) 1986-04-23

Family

ID=27261010

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8424811A Expired GB2153615B (en) 1980-09-16 1984-10-02 A telecommunications system employing optical signals for transmission

Country Status (1)

Country Link
GB (1) GB2153615B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194111A (en) * 1986-07-18 1988-02-24 Gen Electric Plc Optical signal receiver circuits
FR2733651B1 (en) * 1995-04-26 1997-07-04 Sextant Avionique METHOD AND DEVICE FOR TRANSMITTING ANALOG SIGNALS USING A TRANSMISSION SYSTEM USING OPTICAL TRANSMISSION LINES

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1595821A (en) * 1977-04-28 1981-08-19 Texas Instruments Inc Low-power light information transmission system

Also Published As

Publication number Publication date
GB8424811D0 (en) 1984-11-07
GB2153615A (en) 1985-08-21

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Legal Events

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

Effective date: 19990916