FR1230585A - Radio device for locating a mobile - Google Patents

Radio device for locating a mobile

Info

Publication number
FR1230585A
FR1230585A FR790973A FR790973A FR1230585A FR 1230585 A FR1230585 A FR 1230585A FR 790973 A FR790973 A FR 790973A FR 790973 A FR790973 A FR 790973A FR 1230585 A FR1230585 A FR 1230585A
Authority
FR
France
Prior art keywords
locating
mobile
radio device
radio
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
FR790973A
Other languages
French (fr)
Inventor
Pierre-Claude Gaudillere
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 filed Critical
Priority to FR790973A priority Critical patent/FR1230585A/en
Application granted granted Critical
Publication of FR1230585A publication Critical patent/FR1230585A/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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR790973A 1959-04-01 1959-04-01 Radio device for locating a mobile Expired FR1230585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR790973A FR1230585A (en) 1959-04-01 1959-04-01 Radio device for locating a mobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR790973A FR1230585A (en) 1959-04-01 1959-04-01 Radio device for locating a mobile

Publications (1)

Publication Number Publication Date
FR1230585A true FR1230585A (en) 1960-09-16

Family

ID=8713153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790973A Expired FR1230585A (en) 1959-04-01 1959-04-01 Radio device for locating a mobile

Country Status (1)

Country Link
FR (1) FR1230585A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006594A1 (en) * 1978-07-05 1980-01-09 Siemens Aktiengesellschaft Hyperbolic-phase method of comparison for determining the location of surface-bound vehicles and apparatus for carrying out this method
EP0315411A1 (en) * 1987-11-02 1989-05-10 Precision Technology Inc Improvements in or relating to a target tracking system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006594A1 (en) * 1978-07-05 1980-01-09 Siemens Aktiengesellschaft Hyperbolic-phase method of comparison for determining the location of surface-bound vehicles and apparatus for carrying out this method
EP0315411A1 (en) * 1987-11-02 1989-05-10 Precision Technology Inc Improvements in or relating to a target tracking system

Similar Documents

Publication Publication Date Title
FR1221495A (en) Pneumatic erection device for antennas
FR1252876A (en) Mobile charging device
FR1221547A (en) Receiving device for card tapes
FR1230585A (en) Radio device for locating a mobile
FR1238773A (en) Device for broadening the base of a foundation borehole
BE589314A (en) Winding machine with gripping device for metal bands.
FR1280121A (en) Device for positioning a mobile along a trajectory
FR1269706A (en) Device for indicating the position of a mobile device
BE587018A (en) Mobile location system using a rotating radiobeacon.
FR1236589A (en) Device for locating the position of a movable member movable in a rectilinear direction
FR1267593A (en) Device for detuning a resonant circuit
FR1232426A (en) Shoring device
FR1245994A (en) Watering device for rotary hammer
FR1233084A (en) Device for holding an object on a garment
FR1220143A (en) Developable antenna device
BE596703A (en) Deburring device.
FR1199170A (en) Mobile support device for mining operations
FR1180240A (en) New device for positioning a mobile
FR1231235A (en) Device for placing a suppository
FR1286521A (en) Device for identifying a mobile machine
FR1221873A (en) Anti-jamming device for radio transmissions
FR1316898A (en) Advanced device for accurately locating a timer switch at a desired starting point
BE614552A (en) Advanced device for accurately locating a timer switch at a desired starting point
FR1236333A (en) Advanced stapling device
BE590631A (en) Device for stacking objects