CH598985A5 - - Google Patents

Info

Publication number
CH598985A5
CH598985A5 CH434676A CH434676A CH598985A5 CH 598985 A5 CH598985 A5 CH 598985A5 CH 434676 A CH434676 A CH 434676A CH 434676 A CH434676 A CH 434676A CH 598985 A5 CH598985 A5 CH 598985A5
Authority
CH
Switzerland
Application number
CH434676A
Inventor
Arthur Edward Brewster
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of CH598985A5 publication Critical patent/CH598985A5/xx

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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/758—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using a signal generator powered by the interrogation signal
    • 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 trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/026—Relative localisation, e.g. using odometer

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Radar Systems Or Details Thereof (AREA)
CH434676A 1975-04-08 1976-04-07 CH598985A5 (sk)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1431975A GB1481494A (en) 1975-04-08 1975-04-08 Train position indicator

Publications (1)

Publication Number Publication Date
CH598985A5 true CH598985A5 (sk) 1978-05-12

Family

ID=10039058

Family Applications (1)

Application Number Title Priority Date Filing Date
CH434676A CH598985A5 (sk) 1975-04-08 1976-04-07

Country Status (6)

Country Link
CA (1) CA1089059A (sk)
CH (1) CH598985A5 (sk)
DE (1) DE2611868A1 (sk)
ES (1) ES446769A1 (sk)
GB (1) GB1481494A (sk)
IT (1) IT1059598B (sk)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH660710A5 (de) * 1982-10-26 1987-06-15 Jd Technologie Ag Einrichtung zur steuerung und signaluebertragung in foerderanlagen.
US5129605A (en) * 1990-09-17 1992-07-14 Rockwell International Corporation Rail vehicle positioning system

Also Published As

Publication number Publication date
GB1481494A (en) 1977-07-27
ES446769A1 (es) 1977-10-01
DE2611868A1 (de) 1976-10-21
IT1059598B (it) 1982-06-21
CA1089059A (en) 1980-11-04

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Legal Events

Date Code Title Description
PL Patent ceased