FR2207320B2 - - Google Patents
Info
- Publication number
- FR2207320B2 FR2207320B2 FR7341326A FR7341326A FR2207320B2 FR 2207320 B2 FR2207320 B2 FR 2207320B2 FR 7341326 A FR7341326 A FR 7341326A FR 7341326 A FR7341326 A FR 7341326A FR 2207320 B2 FR2207320 B2 FR 2207320B2
- 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.)
- Expired
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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2256880A DE2256880A1 (de) | 1972-11-20 | 1972-11-20 | Einrichtung zur durchfuehrung eines verfahrens zur standortbestimmung flaechengebundener fahrzeuge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2207320A2 FR2207320A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-14 |
| FR2207320B2 true FR2207320B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-01-12 |
Family
ID=5862243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7341326A Expired FR2207320B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-20 | 1973-11-20 |
Country Status (7)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2827715C2 (de) * | 1978-06-23 | 1983-12-08 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Standortbestimmung von flächengebundenen Landfahrzeugen |
| US4229620A (en) * | 1978-11-09 | 1980-10-21 | Bell Telephone Laboratories, Incorporated | Mobile radiotelephone station two-way ranging system |
| US4249181A (en) * | 1979-03-08 | 1981-02-03 | Bell Telephone Laboratories, Incorporated | Cellular mobile radiotelephone system using tilted antenna radiation patterns |
| US4710708A (en) * | 1981-04-27 | 1987-12-01 | Develco | Method and apparatus employing received independent magnetic field components of a transmitted alternating magnetic field for determining location |
| US4651156A (en) * | 1982-02-08 | 1987-03-17 | Mcgraw-Edison Co. | Integrated radio location and communication system |
| US4740792A (en) * | 1986-08-27 | 1988-04-26 | Hughes Aircraft Company | Vehicle location system |
| US4812852A (en) * | 1987-02-20 | 1989-03-14 | Scientific Development Corporation | Locating system and method |
| US4939522A (en) * | 1989-05-15 | 1990-07-03 | Bechtel Group, Inc. | Method and system for monitoring vehicle location |
| DE4409178A1 (de) * | 1994-03-17 | 1995-09-21 | Siemens Ag | Verfahren und Anordnung zum Ermitteln der Position von Mobilstationen in einem Mobilfunksystem |
| US5508707A (en) * | 1994-09-28 | 1996-04-16 | U S West Technologies, Inc. | Method for determining position by obtaining directional information from spatial division multiple access (SDMA)-equipped and non-SDMA-equipped base stations |
| US6023607A (en) * | 1997-05-30 | 2000-02-08 | Nokia Telecommunication Oy | Radio system and a call setup method |
| US8774837B2 (en) | 2011-04-30 | 2014-07-08 | John Anthony Wright | Methods, systems and apparatuses of emergency vehicle locating and the disruption thereof |
| CN103995250B (zh) * | 2014-05-29 | 2016-08-24 | 南京泰系信息技术有限公司 | 射频标签轨迹追踪方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL51905C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1937-04-08 | |||
| US2972742A (en) * | 1956-09-12 | 1961-02-21 | Ibm | Automatic position-reporting system |
| AT330845B (de) * | 1971-07-28 | 1976-07-26 | Siemens Ag | Verfahren zur standortbestimmung von fahrzeugen |
-
1972
- 1972-11-20 DE DE2256880A patent/DE2256880A1/de active Pending
-
1973
- 1973-10-23 CH CH1491573A patent/CH563024A5/xx not_active IP Right Cessation
- 1973-10-29 US US410892A patent/US3922677A/en not_active Expired - Lifetime
- 1973-11-13 GB GB5255673A patent/GB1392428A/en not_active Expired
- 1973-11-15 IT IT31335/73A patent/IT1035601B/it active
- 1973-11-16 NL NL7315754A patent/NL7315754A/xx not_active Application Discontinuation
- 1973-11-20 FR FR7341326A patent/FR2207320B2/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2207320A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-14 |
| US3922677A (en) | 1975-11-25 |
| NL7315754A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-22 |
| IT1035601B (it) | 1979-10-20 |
| CH563024A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-06-13 |
| DE2256880A1 (de) | 1974-05-22 |
| GB1392428A (en) | 1975-04-30 |