DE2311948A1 - Anordnung zum selbsttaetigen uebertragen von informationen - Google Patents

Anordnung zum selbsttaetigen uebertragen von informationen

Info

Publication number
DE2311948A1
DE2311948A1 DE19732311948 DE2311948A DE2311948A1 DE 2311948 A1 DE2311948 A1 DE 2311948A1 DE 19732311948 DE19732311948 DE 19732311948 DE 2311948 A DE2311948 A DE 2311948A DE 2311948 A1 DE2311948 A1 DE 2311948A1
Authority
DE
Germany
Prior art keywords
information
signal
interrogator
arrangement according
transmitter
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.)
Pending
Application number
DE19732311948
Other languages
German (de)
English (en)
Inventor
Bernt Ingvar Haegerloef
Stig Lennart Dipl In Thylander
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE2311948A1 publication Critical patent/DE2311948A1/de
Pending legal-status Critical Current

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
    • B61L25/045Indicating 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
    • G01S13/82Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/017Detecting movement of traffic to be counted or controlled identifying vehicles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q9/00Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/08Calling by using continuous AC
    • H04Q9/12Calling by using continuous AC using combinations of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Traffic Control Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Near-Field Transmission Systems (AREA)
DE19732311948 1972-03-15 1973-03-07 Anordnung zum selbsttaetigen uebertragen von informationen Pending DE2311948A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE327972A SE388101B (sv) 1972-03-15 1972-03-15 Anordning for automatisk overforing av information omfattande en informationssokare och en informationsgivare i vilken en informationssoksignal ger upphov till en fran denna utsend informationsberande signal

Publications (1)

Publication Number Publication Date
DE2311948A1 true DE2311948A1 (de) 1973-09-20

Family

ID=20261770

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732311948 Pending DE2311948A1 (de) 1972-03-15 1973-03-07 Anordnung zum selbsttaetigen uebertragen von informationen

Country Status (7)

Country Link
DE (1) DE2311948A1 (enrdf_load_stackoverflow)
DK (1) DK134730B (enrdf_load_stackoverflow)
FR (1) FR2176067A1 (enrdf_load_stackoverflow)
GB (1) GB1431303A (enrdf_load_stackoverflow)
NL (1) NL7303279A (enrdf_load_stackoverflow)
NO (1) NO137253C (enrdf_load_stackoverflow)
SE (1) SE388101B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242661A (en) * 1975-03-27 1980-12-30 Stifelsen Institutet for Mikrovagsteknik Vid Tekniska Hogskolan i Stockholm Device for registration of objects
JPS53120295A (en) * 1977-03-30 1978-10-20 Toshiba Corp Subject discrimination device

Also Published As

Publication number Publication date
DK134730C (enrdf_load_stackoverflow) 1977-05-31
NL7303279A (enrdf_load_stackoverflow) 1973-09-18
FR2176067A1 (enrdf_load_stackoverflow) 1973-10-26
SE388101B (sv) 1976-09-20
NO137253B (no) 1977-10-17
GB1431303A (en) 1976-04-07
DK134730B (da) 1977-01-03
NO137253C (no) 1978-02-01

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Legal Events

Date Code Title Description
OHW Rejection