NL6600441A - - Google Patents

Info

Publication number
NL6600441A
NL6600441A NL6600441A NL6600441A NL6600441A NL 6600441 A NL6600441 A NL 6600441A NL 6600441 A NL6600441 A NL 6600441A NL 6600441 A NL6600441 A NL 6600441A NL 6600441 A NL6600441 A NL 6600441A
Authority
NL
Netherlands
Application number
NL6600441A
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 NL6600441A publication Critical patent/NL6600441A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02Indicating or recording positions or identities of vehicles or trains
    • B61L25/04Indicating or recording train identities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02Indicating or recording positions or identities of vehicles or trains
    • B61L25/04Indicating or recording train identities
    • B61L25/043Indicating or recording train identities using inductive tags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02Indicating or recording positions or identities of vehicles or trains
    • B61L25/04Indicating or recording train identities
    • B61L25/045Indicating or recording train identities using reradiating tags
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/74Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75Systems 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
    • G01S13/751Systems 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
    • G01S13/758Systems 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00Antennas with active circuits or circuit elements integrated within them or attached to them
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/44Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element

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)
  • Radar Systems Or Details Thereof (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
NL6600441A 1965-01-14 1966-01-13 NL6600441A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1903A FR1429403A (fr) 1965-01-14 1965-01-14 Système radioélectrique d'identification des véhicules

Publications (1)

Publication Number Publication Date
NL6600441A true NL6600441A (xx) 1966-07-15

Family

ID=8568154

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6600441A NL6600441A (xx) 1965-01-14 1966-01-13

Country Status (7)

Country Link
BE (1) BE675070A (xx)
CH (1) CH461570A (xx)
DE (1) DE1491922A1 (xx)
ES (1) ES321704A1 (xx)
FR (2) FR1429403A (xx)
GB (1) GB1128067A (xx)
NL (1) NL6600441A (xx)

Also Published As

Publication number Publication date
CH461570A (fr) 1968-08-31
GB1128067A (en) 1968-09-25
BE675070A (xx) 1966-05-03
FR89344E (fr) 1967-06-09
ES321704A1 (es) 1966-10-16
DE1491922A1 (de) 1969-07-17
FR1429403A (fr) 1966-02-25

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