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FR1540992A - Improvements to devices for identifying objects characterized by coded information - Google Patents

Improvements to devices for identifying objects characterized by coded information

Info

Publication number
FR1540992A
FR1540992A FR114973A FR114973A FR1540992A FR 1540992 A FR1540992 A FR 1540992A FR 114973 A FR114973 A FR 114973A FR 114973 A FR114973 A FR 114973A FR 1540992 A FR1540992 A FR 1540992A
Authority
FR
France
Prior art keywords
devices
coded information
identifying objects
objects characterized
identifying
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.)
Expired
Application number
FR114973A
Other languages
French (fr)
Inventor
Ljubimko Milosevic
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR114973A priority Critical patent/FR1540992A/en
Priority to DE19681774493 priority patent/DE1774493C3/en
Priority to NL6809813A priority patent/NL6809813A/xx
Application granted granted Critical
Publication of FR1540992A publication Critical patent/FR1540992A/en
Expired legal-status Critical Current

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
    • B61L25/046—Indicating or recording train identities using magnetic tags
    • 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
    • B61L25/041—Indicating or recording train identities using reflecting 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
    • G01S13/75—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

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)
FR114973A 1967-07-20 1967-07-20 Improvements to devices for identifying objects characterized by coded information Expired FR1540992A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR114973A FR1540992A (en) 1967-07-20 1967-07-20 Improvements to devices for identifying objects characterized by coded information
DE19681774493 DE1774493C3 (en) 1967-07-20 1968-07-02 Arrangement for the identification of objects equipped with an identification plate
NL6809813A NL6809813A (en) 1967-07-20 1968-07-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR114973A FR1540992A (en) 1967-07-20 1967-07-20 Improvements to devices for identifying objects characterized by coded information

Publications (1)

Publication Number Publication Date
FR1540992A true FR1540992A (en) 1968-10-04

Family

ID=8635441

Family Applications (1)

Application Number Title Priority Date Filing Date
FR114973A Expired FR1540992A (en) 1967-07-20 1967-07-20 Improvements to devices for identifying objects characterized by coded information

Country Status (3)

Country Link
DE (1) DE1774493C3 (en)
FR (1) FR1540992A (en)
NL (1) NL6809813A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623460B1 (en) * 1987-11-20 1990-11-16 Alsthom IDENTIFICATION TAG WHEN MOVING A MOBILE AT A GIVEN POINT

Also Published As

Publication number Publication date
DE1774493B2 (en) 1973-03-01
DE1774493C3 (en) 1973-09-20
NL6809813A (en) 1969-01-22
DE1774493A1 (en) 1972-01-13

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