DK134730B - Anlæg til automatisk overføring af information. - Google Patents

Anlæg til automatisk overføring af information.

Info

Publication number
DK134730B
DK134730B DK138173A DK138173A DK134730B DK 134730 B DK134730 B DK 134730B DK 138173 A DK138173 A DK 138173A DK 138173 A DK138173 A DK 138173A DK 134730 B DK134730 B DK 134730B
Authority
DK
Denmark
Prior art keywords
information
automatic transfer
automatic
transfer
Prior art date
Application number
DK138173A
Other languages
Danish (da)
English (en)
Other versions
DK134730C (enrdf_load_stackoverflow
Inventor
Bernt Ingvar Haegerloef
Stig Lennart Thylander
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of DK134730B publication Critical patent/DK134730B/da
Application granted granted Critical
Publication of DK134730C publication Critical patent/DK134730C/da

Links

Classifications

    • 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
    • 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
    • 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
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements 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
    • H04Q9/08—Calling by using continuous AC
    • H04Q9/12—Calling 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)
DK138173A 1972-03-15 1973-03-14 Anlæg til automatisk overføring af information. DK134730B (da)

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 (2)

Publication Number Publication Date
DK134730B true DK134730B (da) 1977-01-03
DK134730C DK134730C (enrdf_load_stackoverflow) 1977-05-31

Family

ID=20261770

Family Applications (1)

Application Number Title Priority Date Filing Date
DK138173A DK134730B (da) 1972-03-15 1973-03-14 Anlæg til automatisk overføring af information.

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
DE2311948A1 (de) 1973-09-20
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
NO137253C (no) 1978-02-01

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