HK1007600A1 - Method of radiolocation of a vehicle carrying a receiver by measuring reception time differences of rf signals and apparatus therefor - Google Patents
Method of radiolocation of a vehicle carrying a receiver by measuring reception time differences of rf signals and apparatus thereforInfo
- Publication number
- HK1007600A1 HK1007600A1 HK98106677A HK98106677A HK1007600A1 HK 1007600 A1 HK1007600 A1 HK 1007600A1 HK 98106677 A HK98106677 A HK 98106677A HK 98106677 A HK98106677 A HK 98106677A HK 1007600 A1 HK1007600 A1 HK 1007600A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- signals
- radiolocation
- receiver
- reception time
- time differences
- Prior art date
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
- G01S1/24—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 pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
- G01S1/245—Details of receivers cooperating therewith, e.g. determining positive zero crossing of third cycle in LORAN-C
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Circuits Of Receivers In General (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Mobile Radio Communication Systems (AREA)
- Electric Clocks (AREA)
- Burglar Alarm Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8709556A FR2617980B1 (fr) | 1987-07-06 | 1987-07-06 | Procede de radiolocalisation d'un vehicule porteur d'un dispositif recepteur, par mesure des differences de temps de reception de signaux de radiofrequence et dispositif recepteur pour la mise en oeuvre de ce procede |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK1007600A1 true HK1007600A1 (en) | 1999-04-16 |
Family
ID=9352907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK98106677A HK1007600A1 (en) | 1987-07-06 | 1998-06-25 | Method of radiolocation of a vehicle carrying a receiver by measuring reception time differences of rf signals and apparatus therefor |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4959655A (xx) |
| EP (1) | EP0299848B1 (xx) |
| AT (1) | ATE96549T1 (xx) |
| CA (1) | CA1294692C (xx) |
| DE (1) | DE3885173T2 (xx) |
| DK (1) | DK168926B1 (xx) |
| ES (1) | ES2051877T3 (xx) |
| FR (1) | FR2617980B1 (xx) |
| HK (1) | HK1007600A1 (xx) |
| IE (1) | IE882035L (xx) |
| IS (1) | IS1473B6 (xx) |
| NO (1) | NO172612C (xx) |
| PT (1) | PT87924B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1221684B1 (en) | 2000-12-05 | 2006-05-03 | Siemens Aktiengesellschaft | A method, system and portable device for locating a vehicle |
| US9348799B2 (en) * | 2005-12-09 | 2016-05-24 | Adobe Systems Incorporated | Forming a master page for an electronic document |
| US8902102B2 (en) * | 2011-11-01 | 2014-12-02 | The Boeing Company | Passive bistatic radar for vehicle sense and avoid |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3493970A (en) * | 1967-07-03 | 1970-02-03 | Berthold A Knauth | Loran relay system |
| US3701018A (en) * | 1971-02-22 | 1972-10-24 | Motorola Inc | Acquisition method for multi-transmission position locating or navigating systems |
| US3947849A (en) * | 1974-06-20 | 1976-03-30 | The Johns Hopkins University | Loran receiver-navigator |
| FR2518758A1 (fr) * | 1981-12-18 | 1983-06-24 | Tech Electro Cie Indle | Dispositif recepteur d'au moins deux systemes de radio-navigation |
| JPS59197876A (ja) * | 1983-04-26 | 1984-11-09 | Nissan Motor Co Ltd | ロランｃ信号の自動検出装置 |
-
1987
- 1987-07-06 FR FR8709556A patent/FR2617980B1/fr not_active Expired - Lifetime
-
1988
- 1988-07-05 AT AT88401754T patent/ATE96549T1/de not_active IP Right Cessation
- 1988-07-05 NO NO882988A patent/NO172612C/no unknown
- 1988-07-05 IE IE882035A patent/IE882035L/xx unknown
- 1988-07-05 ES ES88401754T patent/ES2051877T3/es not_active Expired - Lifetime
- 1988-07-05 IS IS3368A patent/IS1473B6/is unknown
- 1988-07-05 DE DE88401754T patent/DE3885173T2/de not_active Expired - Lifetime
- 1988-07-05 CA CA000571175A patent/CA1294692C/en not_active Expired - Lifetime
- 1988-07-05 EP EP88401754A patent/EP0299848B1/fr not_active Expired - Lifetime
- 1988-07-05 DK DK373388A patent/DK168926B1/da not_active IP Right Cessation
- 1988-07-06 PT PT87924A patent/PT87924B/pt not_active IP Right Cessation
- 1988-07-06 US US07/215,819 patent/US4959655A/en not_active Expired - Lifetime
-
1998
- 1998-06-25 HK HK98106677A patent/HK1007600A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US4959655A (en) | 1990-09-25 |
| DK373388D0 (da) | 1988-07-05 |
| DE3885173D1 (de) | 1993-12-02 |
| EP0299848A1 (fr) | 1989-01-18 |
| IS1473B6 (is) | 1991-09-24 |
| ATE96549T1 (de) | 1993-11-15 |
| IE882035L (en) | 1989-01-06 |
| NO172612C (no) | 1993-08-11 |
| FR2617980B1 (fr) | 1990-03-23 |
| CA1294692C (en) | 1992-01-21 |
| DK373388A (da) | 1989-02-14 |
| DK168926B1 (da) | 1994-07-11 |
| ES2051877T3 (es) | 1994-07-01 |
| IS3368A7 (is) | 1989-01-07 |
| EP0299848B1 (fr) | 1993-10-27 |
| PT87924A (pt) | 1989-06-30 |
| NO172612B (no) | 1993-05-03 |
| PT87924B (pt) | 1993-09-30 |
| FR2617980A1 (fr) | 1989-01-13 |
| DE3885173T2 (de) | 1994-04-07 |
| NO882988D0 (no) | 1988-07-05 |
| NO882988L (no) | 1989-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PF | Patent in force | ||
| PE | Patent expired |
Effective date: 20080704 |