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 (cs
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 (cs) 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 (cs)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2152977A1 (cs) * 1971-09-15 1973-04-27 Litchford George
US3735408A (en) * 1971-04-05 1973-05-22 Litchstreet Co Common azimuth sector indicating system
FR2223769A1 (cs) * 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 (cs) * 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 (cs) * 1973-03-27 1974-10-25 Litchstreet Co

Also Published As

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

Similar Documents

Publication Publication Date Title
AU460015B2 (en) Doppler radar system
CA959960A (en) Randomly phase coded antenna technique for search radar
GB1088384A (en) Omnidirectional doppler beacon system
ZA726205B (en) Secondary radar system for time-shared target identification
CA961139A (en) Secondary radar system
FR2281613A2 (fr) Dispositif de localisation radio-electrique de mobiles
NL177580C (nl) Radarstelsel voor een onderzeeboot voorzien van een uitschuifbare antennemast.
DE3065405D1 (en) A method of preventing a radar beacon from responding to received radar pulses originating from the side lobes of a transmitter and an arrangement to carry out the method
CA949180A (en) Antenna tracking systems
JPS5227193A (en) Buoy
CA967662A (en) Local stabilisation system, e.g. for a radar naval installation
CA928416A (en) Electronic technique for an all-electronic cylindrical array beacon antenna
IE35774L (en) Acidic copper electrolytes
AU4315572A (en) An airborne radar receiver
CH302592A (de) Antennensystem mit einem Strahlungsdiagramm, dessen Maximum um die Systemachse rotiert.
GB1335899A (en) Radio navigation beacon
CA873575A (en) Secondary radar systems
CA878764A (en) Secondary radar transponders
GB1234501A (cs)
AU456445B2 (en) Tacan antenna system
CA871339A (en) Elevation over azimuth turret type antenna
AU414735B2 (en) Antenna installation for doppler radio beacon
JPS51135395A (en) Pulse echo system
GB1338719A (en) Transponder beacon
AU474087B2 (en) An aircraft radar receiver

Legal Events

Date Code Title Description
ST Notification of lapse