AT317304B - Character transmission system - Google Patents

Character transmission system

Info

Publication number
AT317304B
AT317304B AT977771A AT977771A AT317304B AT 317304 B AT317304 B AT 317304B AT 977771 A AT977771 A AT 977771A AT 977771 A AT977771 A AT 977771A AT 317304 B AT317304 B AT 317304B
Authority
AT
Austria
Prior art keywords
transmission system
character transmission
character
transmission
Prior art date
Application number
AT977771A
Other languages
German (de)
Original Assignee
British Railways Board
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 British Railways Board filed Critical British Railways Board
Application granted granted Critical
Publication of AT317304B publication Critical patent/AT317304B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00—Remote control of local operating means for points, signals, or trackmounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or trackmounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry
    • B61L7/083—Common line wire control using currents of different amplitudes, polarities, frequencies, or the like
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
    • G08C15/02—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division
    • G08C15/04—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division the signals being modulated on carrier frequencies
AT977771A 1970-11-13 1971-11-12 Character transmission system AT317304B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5414870A GB1360000A (en) 1970-11-13 1970-11-13 Signalling systems

Publications (1)

Publication Number Publication Date
AT317304B true AT317304B (en) 1974-08-26

Family

ID=10470080

Family Applications (1)

Application Number Title Priority Date Filing Date
AT977771A AT317304B (en) 1970-11-13 1971-11-12 Character transmission system

Country Status (9)

Country Link
AT (1) AT317304B (en)
AU (1) AU3555871A (en)
CH (1) CH543144A (en)
DE (1) DE2156393B2 (en)
FR (1) FR2114609A5 (en)
GB (1) GB1360000A (en)
IT (1) IT941120B (en)
SE (1) SE378495B (en)
ZA (1) ZA717485B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0776737B2 (en) * 1988-10-21 1995-08-16 富士重工業株式会社 Vehicle diagnostic system

Also Published As

Publication number Publication date
FR2114609A5 (en) 1972-06-30
DE2156393B2 (en) 1976-04-22
DE2156393A1 (en) 1972-06-22
GB1360000A (en) 1974-07-17
CH543144A (en) 1973-10-15
AU3555871A (en) 1973-05-17
IT941120B (en) 1973-03-01
SE378495B (en) 1975-09-01
ZA717485B (en) 1972-07-26

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee