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
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7110830A FR2130021B3 (de) | 1971-03-26 | 1971-03-26 | |
FR7236502A FR2203118A4 (de) | 1971-03-26 | 1972-10-16 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7110830A FR2130021B3 (de) | 1971-03-26 | 1971-03-26 | |
FR7236502A FR2203118A4 (de) | 1971-03-26 | 1972-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2203118A4 true FR2203118A4 (de) | 1974-05-10 |
Family
ID=26216287
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7110830A Expired FR2130021B3 (de) | 1971-03-26 | 1971-03-26 | |
FR7236502A Pending FR2203118A4 (de) | 1971-03-26 | 1972-10-16 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7110830A Expired FR2130021B3 (de) | 1971-03-26 | 1971-03-26 |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR2130021B3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0461969A1 (de) * | 1990-06-13 | 1991-12-18 | Thomson-Csf | Automatisches Ortungs- und Identifizierungssystem für Fahrzeuge in Not |
US5389935A (en) * | 1990-06-13 | 1995-02-14 | Thomson-Csf | Automatic system for locating and identifying vehicles in distress |
Families Citing this family (3)
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 (de) * | 1979-03-29 | 1984-05-17 | Repa Feinstanzwerk Gmbh, 7071 Alfdorf | Automatisches Notrufsystem für Fahrzeuge |
DE3336092A1 (de) * | 1983-10-04 | 1985-04-18 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur erfassung von gefahrenstellen in einem leit- und informationssystem fuer strassenfahrzeuge |
-
1971
- 1971-03-26 FR FR7110830A patent/FR2130021B3/fr not_active Expired
-
1972
- 1972-10-16 FR FR7236502A patent/FR2203118A4/fr active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0461969A1 (de) * | 1990-06-13 | 1991-12-18 | Thomson-Csf | Automatisches Ortungs- und Identifizierungssystem für Fahrzeuge in Not |
FR2663433A1 (fr) * | 1990-06-13 | 1991-12-20 | Thomson Csf | Systeme automatique de localisation et d'identification de vehicules en detresse. |
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 (de) | 1973-12-28 |
FR2130021A3 (de) | 1972-11-03 |