GB2294375B - Position monitoring systems - Google Patents
Position monitoring systemsInfo
- Publication number
- GB2294375B GB2294375B GB9421295A GB9421295A GB2294375B GB 2294375 B GB2294375 B GB 2294375B GB 9421295 A GB9421295 A GB 9421295A GB 9421295 A GB9421295 A GB 9421295A GB 2294375 B GB2294375 B GB 2294375B
- Authority
- GB
- United Kingdom
- Prior art keywords
- monitoring systems
- position monitoring
- systems
- monitoring
- 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 - Fee Related
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
- G01S1/08—Systems for determining direction or position line
-
- 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
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0018—Transmission from mobile station to base station
-
- 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
- G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9421295A GB2294375B (en) | 1994-10-22 | 1994-10-22 | Position monitoring systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9421295A GB2294375B (en) | 1994-10-22 | 1994-10-22 | Position monitoring systems |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9421295D0 GB9421295D0 (en) | 1994-12-07 |
GB2294375A GB2294375A (en) | 1996-04-24 |
GB2294375B true GB2294375B (en) | 1997-10-29 |
Family
ID=10763221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9421295A Expired - Fee Related GB2294375B (en) | 1994-10-22 | 1994-10-22 | Position monitoring systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2294375B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2251996A1 (en) * | 1997-12-18 | 1999-06-18 | Lucent Technologies Inc. | Automatically locating individuals utilizing a combination of wireless media |
US6236858B1 (en) | 1998-06-30 | 2001-05-22 | Avaya Technology Corp. | Wireless terminal automatically alerting user upon wireless terminal entering a specified physical location |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983002165A1 (en) * | 1981-12-16 | 1983-06-23 | Kachwalla, Zain | A position indicating system |
GB2240895A (en) * | 1990-01-16 | 1991-08-14 | Gordon H Matthews | System for monitoring the speed of play of a golfer over a golf course |
GB2247131A (en) * | 1990-08-02 | 1992-02-19 | Wang James June Ming | Golf course ranging and direction-finding system using spread spectrum radiolocation techniques |
US5250955A (en) * | 1992-06-05 | 1993-10-05 | Lockheed Information Services Company | State entry beacon system |
EP0568824A2 (en) * | 1992-04-08 | 1993-11-10 | Us West New Vector Group, Inc. | System for marking zones in a cellular service area |
GB2274521A (en) * | 1993-01-11 | 1994-07-27 | Hitachi Ltd | Production control system |
WO1995000821A1 (en) * | 1993-06-25 | 1995-01-05 | Omniplex, Inc. | Determination of location using time-synchronized cell site transmissions |
-
1994
- 1994-10-22 GB GB9421295A patent/GB2294375B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983002165A1 (en) * | 1981-12-16 | 1983-06-23 | Kachwalla, Zain | A position indicating system |
GB2240895A (en) * | 1990-01-16 | 1991-08-14 | Gordon H Matthews | System for monitoring the speed of play of a golfer over a golf course |
GB2247131A (en) * | 1990-08-02 | 1992-02-19 | Wang James June Ming | Golf course ranging and direction-finding system using spread spectrum radiolocation techniques |
EP0568824A2 (en) * | 1992-04-08 | 1993-11-10 | Us West New Vector Group, Inc. | System for marking zones in a cellular service area |
US5250955A (en) * | 1992-06-05 | 1993-10-05 | Lockheed Information Services Company | State entry beacon system |
GB2274521A (en) * | 1993-01-11 | 1994-07-27 | Hitachi Ltd | Production control system |
WO1995000821A1 (en) * | 1993-06-25 | 1995-01-05 | Omniplex, Inc. | Determination of location using time-synchronized cell site transmissions |
Also Published As
Publication number | Publication date |
---|---|
GB2294375A (en) | 1996-04-24 |
GB9421295D0 (en) | 1994-12-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20081022 |