FR2203118A4 - - Google Patents

Info

Publication number
FR2203118A4
FR2203118A4 FR7236502A FR7236502A FR2203118A4 FR 2203118 A4 FR2203118 A4 FR 2203118A4 FR 7236502 A FR7236502 A FR 7236502A FR 7236502 A FR7236502 A FR 7236502A FR 2203118 A4 FR2203118 A4 FR 2203118A4
Authority
FR
France
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.)
Pending
Application number
FR7236502A
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.)
BOUTIER NOEL
Original Assignee
BOUTIER NOEL
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 to FR7110830A priority Critical patent/FR2130021B3/fr
Application filed by BOUTIER NOEL filed Critical BOUTIER NOEL
Priority to FR7236502A priority patent/FR2203118A4/fr
Publication of FR2203118A4 publication Critical patent/FR2203118A4/fr
Pending 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
    • G01S1/68—Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • G08G1/205—Indicating the location of the monitored vehicles as destination, e.g. accidents, stolen, rental
FR7236502A 1971-03-26 1972-10-16 Pending FR2203118A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7110830A FR2130021B3 (en) 1971-03-26 1971-03-26
FR7236502A FR2203118A4 (en) 1971-03-26 1972-10-16

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7110830A FR2130021B3 (en) 1971-03-26 1971-03-26
FR7236502A FR2203118A4 (en) 1971-03-26 1972-10-16

Publications (1)

Publication Number Publication Date
FR2203118A4 true FR2203118A4 (en) 1974-05-10

Family

ID=26216287

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7110830A Expired FR2130021B3 (en) 1971-03-26 1971-03-26
FR7236502A Pending FR2203118A4 (en) 1971-03-26 1972-10-16

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7110830A Expired FR2130021B3 (en) 1971-03-26 1971-03-26

Country Status (1)

Country Link
FR (2) FR2130021B3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0461969A1 (en) * 1990-06-13 1991-12-18 Thomson-Csf Automatic location and identification system for vehicles in distress
US5389935A (en) * 1990-06-13 1995-02-14 Thomson-Csf Automatic system for locating and identifying vehicles in distress

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2240490A1 (en) * 1973-08-08 1975-03-07 Gendrot Andre Vehicle accident signalling system - emitts radio signal to warn approaching vehicles
DE2912547C2 (en) * 1979-03-29 1984-05-17 Repa Feinstanzwerk Gmbh, 7071 Alfdorf Automatic emergency call system for vehicles
DE3336092A1 (en) * 1983-10-04 1985-04-18 Siemens AG, 1000 Berlin und 8000 München METHOD FOR DETECTING HAZARDOUS POINTS IN A GUIDE AND INFORMATION SYSTEM FOR ROAD VEHICLES

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0461969A1 (en) * 1990-06-13 1991-12-18 Thomson-Csf Automatic location and identification system for vehicles in distress
FR2663433A1 (en) * 1990-06-13 1991-12-20 Thomson Csf AUTOMATIC SYSTEM FOR LOCATING AND IDENTIFYING VEHICLES IN DISTRESS.
US5389935A (en) * 1990-06-13 1995-02-14 Thomson-Csf Automatic system for locating and identifying vehicles in distress

Also Published As

Publication number Publication date
FR2130021B3 (en) 1973-12-28
FR2130021A3 (en) 1972-11-03

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