GB2109654B - Apparatus for transferring data between two positions - Google Patents

Apparatus for transferring data between two positions

Info

Publication number
GB2109654B
GB2109654B GB8133470A GB8133470A GB2109654B GB 2109654 B GB2109654 B GB 2109654B GB 8133470 A GB8133470 A GB 8133470A GB 8133470 A GB8133470 A GB 8133470A GB 2109654 B GB2109654 B GB 2109654B
Authority
GB
United Kingdom
Prior art keywords
positions
transferring data
transferring
data
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
GB8133470A
Other versions
GB2109654A (en
Inventor
Philip Edward Stephens
David Glyndwr White
Martin John Collier
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to GB8133470A priority Critical patent/GB2109654B/en
Publication of GB2109654A publication Critical patent/GB2109654A/en
Application granted granted Critical
Publication of GB2109654B publication Critical patent/GB2109654B/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
    • H04B10/80—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
    • H04B10/85—Protection from unauthorised access, e.g. eavesdrop protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
GB8133470A 1981-11-06 1981-11-06 Apparatus for transferring data between two positions Expired GB2109654B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8133470A GB2109654B (en) 1981-11-06 1981-11-06 Apparatus for transferring data between two positions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8133470A GB2109654B (en) 1981-11-06 1981-11-06 Apparatus for transferring data between two positions

Publications (2)

Publication Number Publication Date
GB2109654A GB2109654A (en) 1983-06-02
GB2109654B true GB2109654B (en) 1985-04-17

Family

ID=10525675

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8133470A Expired GB2109654B (en) 1981-11-06 1981-11-06 Apparatus for transferring data between two positions

Country Status (1)

Country Link
GB (1) GB2109654B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8530087D0 (en) * 1985-12-06 1986-02-12 British Telecomm Operating multi access optical network

Also Published As

Publication number Publication date
GB2109654A (en) 1983-06-02

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Legal Events

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