GB2103408B - Position monitoring system - Google Patents

Position monitoring system

Info

Publication number
GB2103408B
GB2103408B GB08220040A GB8220040A GB2103408B GB 2103408 B GB2103408 B GB 2103408B GB 08220040 A GB08220040 A GB 08220040A GB 8220040 A GB8220040 A GB 8220040A GB 2103408 B GB2103408 B GB 2103408B
Authority
GB
United Kingdom
Prior art keywords
monitoring system
position monitoring
monitoring
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
GB08220040A
Other versions
GB2103408A (en
Inventor
Richard Andrew Hazelwood
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 GB08220040A priority Critical patent/GB2103408B/en
Publication of GB2103408A publication Critical patent/GB2103408A/en
Application granted granted Critical
Publication of GB2103408B publication Critical patent/GB2103408B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/003—Bistatic radar systems; Multistatic radar systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/023—Determination of driving direction of vehicle or vehicle train
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/026—Relative localisation, e.g. using odometer
GB08220040A 1981-07-13 1982-07-09 Position monitoring system Expired GB2103408B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08220040A GB2103408B (en) 1981-07-13 1982-07-09 Position monitoring system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8121551 1981-07-13
GB08220040A GB2103408B (en) 1981-07-13 1982-07-09 Position monitoring system

Publications (2)

Publication Number Publication Date
GB2103408A GB2103408A (en) 1983-02-16
GB2103408B true GB2103408B (en) 1985-09-04

Family

ID=26280106

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08220040A Expired GB2103408B (en) 1981-07-13 1982-07-09 Position monitoring system

Country Status (1)

Country Link
GB (1) GB2103408B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912471A (en) * 1983-11-03 1990-03-27 Mitron Systems Corporation Interrogator-responder communication system
AU599898B2 (en) * 1985-03-28 1990-08-02 Westinghouse Electric Corporation Vital apparatus for determining train travel direction

Also Published As

Publication number Publication date
GB2103408A (en) 1983-02-16

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Legal Events

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