NL7113031A - - Google Patents

Info

Publication number
NL7113031A
NL7113031A NL7113031A NL7113031A NL7113031A NL 7113031 A NL7113031 A NL 7113031A NL 7113031 A NL7113031 A NL 7113031A NL 7113031 A NL7113031 A NL 7113031A NL 7113031 A NL7113031 A NL 7113031A
Authority
NL
Netherlands
Application number
NL7113031A
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 filed Critical
Publication of NL7113031A publication Critical patent/NL7113031A/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
    • G01S13/753—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 frequency selective elements, e.g. resonator
    • 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
    • B61L25/04—Indicating or recording train identities
    • B61L25/045—Indicating or recording train identities using reradiating tags

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)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Waveguide Aerials (AREA)
NL7113031A 1970-09-24 1971-09-22 NL7113031A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702047153 DE2047153C3 (en) 1970-09-24 1970-09-24 Response device for a device for automatic wireless transmission of multi-digit information, in particular the numbers of railway vehicles

Publications (1)

Publication Number Publication Date
NL7113031A true NL7113031A (en) 1972-03-28

Family

ID=5783335

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7113031A NL7113031A (en) 1970-09-24 1971-09-22

Country Status (8)

Country Link
BE (1) BE772633A (en)
DE (1) DE2047153C3 (en)
FR (1) FR2107931B1 (en)
GB (1) GB1332574A (en)
IT (1) IT938792B (en)
LU (1) LU63941A1 (en)
NL (1) NL7113031A (en)
SE (1) SE362839B (en)

Also Published As

Publication number Publication date
DE2047153B2 (en) 1974-12-19
DE2047153C3 (en) 1975-07-31
DE2047153A1 (en) 1972-05-25
FR2107931B1 (en) 1975-07-18
SE362839B (en) 1973-12-27
FR2107931A1 (en) 1972-05-12
BE772633A (en) 1972-01-17
LU63941A1 (en) 1972-03-01
IT938792B (en) 1973-02-10
GB1332574A (en) 1973-10-03

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Legal Events

Date Code Title Description
BV The patent application has lapsed