AT317304B - Character transmission system - Google Patents

Character transmission system

Info

Publication number: AT317304B
Authority: AT; Austria
Prior art keywords: transmission system; character transmission; character; transmission
Prior art date: 1970-11-13

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.)

1970-11-13

Filing date

1971-11-12

Publication date

1974-08-26

1971-11-12 Application filed by British Railways Board filed Critical British Railways Board

1974-08-26 Application granted granted Critical

1974-08-26 Publication of AT317304B publication Critical patent/AT317304B/en

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 track-mounted scotch-blocks
- B61L7/06—Remote control of local operating means for points, signals, or track-mounted 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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Amplitude Modulation (AREA)
Selective Calling Equipment (AREA)
Train Traffic Observation, Control, And Security (AREA)

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

1970
- 1970-11-13 GB GB5414870A patent/GB1360000A/en not_active Expired
1971
- 1971-11-08 ZA ZA717485A patent/ZA717485B/en unknown
- 1971-11-10 IT IT30918/71A patent/IT941120B/en active
- 1971-11-10 AU AU35558/71A patent/AU3555871A/en not_active Expired
- 1971-11-12 FR FR7140552A patent/FR2114609A5/fr not_active Expired
- 1971-11-12 SE SE7114505A patent/SE378495B/xx unknown
- 1971-11-12 AT AT977771A patent/AT317304B/en not_active IP Right Cessation
- 1971-11-12 DE DE19712156393 patent/DE2156393B2/en active Pending
- 1971-11-12 CH CH1644071A patent/CH543144A/en not_active IP Right Cessation

Also Published As

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

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Legal Events

Date	Code	Title	Description
1976-09-15	ELJ	Ceased due to non-payment of the annual fee