FR2281613A2 - Dispositif de localisation radio-electrique de mobiles - Google Patents

Dispositif de localisation radio-electrique de mobiles

Info

Publication number
FR2281613A2
FR2281613A2 FR7524555A FR7524555A FR2281613A2 FR 2281613 A2 FR2281613 A2 FR 2281613A2 FR 7524555 A FR7524555 A FR 7524555A FR 7524555 A FR7524555 A FR 7524555A FR 2281613 A2 FR2281613 A2 FR 2281613A2
Authority
FR
France
Prior art keywords
station
transponder
distance
determined
determination
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.)
Granted
Application number
FR7524555A
Other languages
English (en)
French (fr)
Other versions
FR2281613B1 (enrdf_load_stackoverflow
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.)
Litchstreet Co
Original Assignee
Litchstreet Co
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 Litchstreet Co filed Critical Litchstreet Co
Priority to FR7524555A priority Critical patent/FR2281613A2/fr
Publication of FR2281613A2 publication Critical patent/FR2281613A2/fr
Application granted granted Critical
Publication of FR2281613B1 publication Critical patent/FR2281613B1/fr
Granted 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
    • G01S13/781—Secondary Surveillance Radar [SSR] in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7524555A 1971-09-15 1975-08-06 Dispositif de localisation radio-electrique de mobiles Granted FR2281613A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7524555A FR2281613A2 (fr) 1971-09-15 1975-08-06 Dispositif de localisation radio-electrique de mobiles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18057871A 1971-09-15 1971-09-15
FR7524555A FR2281613A2 (fr) 1971-09-15 1975-08-06 Dispositif de localisation radio-electrique de mobiles

Publications (2)

Publication Number Publication Date
FR2281613A2 true FR2281613A2 (fr) 1976-03-05
FR2281613B1 FR2281613B1 (enrdf_load_stackoverflow) 1982-10-22

Family

ID=26219021

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524555A Granted FR2281613A2 (fr) 1971-09-15 1975-08-06 Dispositif de localisation radio-electrique de mobiles

Country Status (1)

Country Link
FR (1) FR2281613A2 (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2152977A1 (enrdf_load_stackoverflow) * 1971-09-15 1973-04-27 Litchford George
US3735408A (en) * 1971-04-05 1973-05-22 Litchstreet Co Common azimuth sector indicating system
FR2223769A1 (enrdf_load_stackoverflow) * 1973-03-27 1974-10-25 Litchstreet Co
FR2275835A2 (fr) * 1971-09-15 1976-01-16 Litchstreet Co Dispositif de localisation radio-electrique de mobiles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735408A (en) * 1971-04-05 1973-05-22 Litchstreet Co Common azimuth sector indicating system
FR2152977A1 (enrdf_load_stackoverflow) * 1971-09-15 1973-04-27 Litchford George
US3757324A (en) * 1971-09-15 1973-09-04 Litchstreet Co Proximity indication with range and bearing measurements
FR2275835A2 (fr) * 1971-09-15 1976-01-16 Litchstreet Co Dispositif de localisation radio-electrique de mobiles
FR2223769A1 (enrdf_load_stackoverflow) * 1973-03-27 1974-10-25 Litchstreet Co

Also Published As

Publication number Publication date
FR2281613B1 (enrdf_load_stackoverflow) 1982-10-22

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Legal Events

Date Code Title Description
ST Notification of lapse