FR1413264A - Improvements to identification devices - Google Patents

Improvements to identification devices

Info

Publication number
FR1413264A
FR1413264A FR990039A FR990039A FR1413264A FR 1413264 A FR1413264 A FR 1413264A FR 990039 A FR990039 A FR 990039A FR 990039 A FR990039 A FR 990039A FR 1413264 A FR1413264 A FR 1413264A
Authority
FR
France
Prior art keywords
identification devices
identification
devices
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
FR990039A
Other languages
French (fr)
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
Priority claimed from US313877A external-priority patent/US3209350A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR990039A priority Critical patent/FR1413264A/en
Application granted granted Critical
Publication of FR1413264A publication Critical patent/FR1413264A/en
Expired legal-status Critical Current

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
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR990039A 1963-10-04 1964-10-01 Improvements to identification devices Expired FR1413264A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR990039A FR1413264A (en) 1963-10-04 1964-10-01 Improvements to identification devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US313877A US3209350A (en) 1963-10-04 1963-10-04 Identification interrogation system
FR990039A FR1413264A (en) 1963-10-04 1964-10-01 Improvements to identification devices

Publications (1)

Publication Number Publication Date
FR1413264A true FR1413264A (en) 1965-10-08

Family

ID=26210295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990039A Expired FR1413264A (en) 1963-10-04 1964-10-01 Improvements to identification devices

Country Status (1)

Country Link
FR (1) FR1413264A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2033401A1 (en) * 1969-02-26 1970-12-04 Unisearch Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2033401A1 (en) * 1969-02-26 1970-12-04 Unisearch Ltd

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