GB2335554B - Radio synchronisation system - Google Patents
Radio synchronisation systemInfo
- Publication number
- GB2335554B GB2335554B GB9805596A GB9805596A GB2335554B GB 2335554 B GB2335554 B GB 2335554B GB 9805596 A GB9805596 A GB 9805596A GB 9805596 A GB9805596 A GB 9805596A GB 2335554 B GB2335554 B GB 2335554B
- Authority
- GB
- United Kingdom
- Prior art keywords
- synchronisation system
- radio synchronisation
- radio
- synchronisation
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
- H03L1/026—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using a memory for digitally storing correction values
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9805596A GB2335554B (en) | 1998-03-18 | 1998-03-18 | Radio synchronisation system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9805596A GB2335554B (en) | 1998-03-18 | 1998-03-18 | Radio synchronisation system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9805596D0 GB9805596D0 (en) | 1998-05-13 |
GB2335554A GB2335554A (en) | 1999-09-22 |
GB2335554B true GB2335554B (en) | 2002-01-16 |
Family
ID=10828658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9805596A Expired - Fee Related GB2335554B (en) | 1998-03-18 | 1998-03-18 | Radio synchronisation system |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2335554B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7970411B2 (en) | 2000-05-18 | 2011-06-28 | Sirf Technology, Inc. | Aided location communication system |
US8013787B2 (en) | 2003-09-02 | 2011-09-06 | Sirf Technology Inc. | Control and features for satellite positioning system receivers |
US8138972B2 (en) | 2003-09-02 | 2012-03-20 | Csr Technology Inc. | Signal processing system for satellite positioning signals |
US8164517B2 (en) | 2003-09-02 | 2012-04-24 | Csr Technology Inc. | Global positioning system receiver timeline management |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7929928B2 (en) * | 2000-05-18 | 2011-04-19 | Sirf Technology Inc. | Frequency phase correction system |
US7949362B2 (en) | 2000-05-18 | 2011-05-24 | Sirf Technology, Inc. | Satellite positioning aided communication system selection |
US7970412B2 (en) | 2000-05-18 | 2011-06-28 | Sirf Technology, Inc. | Aided location communication system |
US8078189B2 (en) | 2000-08-14 | 2011-12-13 | Sirf Technology, Inc. | System and method for providing location based services over a network |
US7668554B2 (en) | 2001-05-21 | 2010-02-23 | Sirf Technology, Inc. | Network system for aided GPS broadcast positioning |
EP1569343A1 (en) * | 2004-02-26 | 2005-08-31 | Ford Global Technologies, LLC | Radio frequency adjustment system |
GB2423678B (en) * | 2004-03-10 | 2007-02-07 | Nec Technologies | Apparatus for reducing frequency offset of an oscillator in a mobile communication device |
GB2450680B (en) | 2007-06-22 | 2012-05-30 | Ubiquisys Ltd | Controlling timing of synchronization updates |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2205460A (en) * | 1987-06-02 | 1988-12-07 | Multitone Electronics Plc | Local oscillators for radio receivers |
GB2273405A (en) * | 1992-12-10 | 1994-06-15 | Motorola Israel Ltd | A communications device and method of frequency control thereof |
WO1996024986A1 (en) * | 1995-02-10 | 1996-08-15 | Matsushita Communication Industrial Corporation Of America | Crystal oscillator with automatic compensation for aging and temperature |
GB2299225A (en) * | 1995-03-18 | 1996-09-25 | Gen Electric Plc | Commodity consumption registering meters |
GB2313002A (en) * | 1996-05-10 | 1997-11-12 | Motorola Inc | Temperature and frequency compensation of a reference oscillator in a communication device |
GB2319912A (en) * | 1996-11-28 | 1998-06-03 | Nec Corp | Oscillator and method for controlling the same |
WO1998027652A1 (en) * | 1996-12-17 | 1998-06-25 | Motorola Inc. | Temperature compensation circuit for a crystal oscillator and method of providing same |
WO1998027651A1 (en) * | 1996-12-17 | 1998-06-25 | Motorola Inc. | Temperature compensation circuit for a crystal oscillator |
-
1998
- 1998-03-18 GB GB9805596A patent/GB2335554B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2205460A (en) * | 1987-06-02 | 1988-12-07 | Multitone Electronics Plc | Local oscillators for radio receivers |
GB2273405A (en) * | 1992-12-10 | 1994-06-15 | Motorola Israel Ltd | A communications device and method of frequency control thereof |
WO1996024986A1 (en) * | 1995-02-10 | 1996-08-15 | Matsushita Communication Industrial Corporation Of America | Crystal oscillator with automatic compensation for aging and temperature |
GB2299225A (en) * | 1995-03-18 | 1996-09-25 | Gen Electric Plc | Commodity consumption registering meters |
GB2313002A (en) * | 1996-05-10 | 1997-11-12 | Motorola Inc | Temperature and frequency compensation of a reference oscillator in a communication device |
GB2319912A (en) * | 1996-11-28 | 1998-06-03 | Nec Corp | Oscillator and method for controlling the same |
WO1998027652A1 (en) * | 1996-12-17 | 1998-06-25 | Motorola Inc. | Temperature compensation circuit for a crystal oscillator and method of providing same |
WO1998027651A1 (en) * | 1996-12-17 | 1998-06-25 | Motorola Inc. | Temperature compensation circuit for a crystal oscillator |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7970411B2 (en) | 2000-05-18 | 2011-06-28 | Sirf Technology, Inc. | Aided location communication system |
US8013787B2 (en) | 2003-09-02 | 2011-09-06 | Sirf Technology Inc. | Control and features for satellite positioning system receivers |
US8138972B2 (en) | 2003-09-02 | 2012-03-20 | Csr Technology Inc. | Signal processing system for satellite positioning signals |
US8164517B2 (en) | 2003-09-02 | 2012-04-24 | Csr Technology Inc. | Global positioning system receiver timeline management |
US8593345B2 (en) | 2003-09-02 | 2013-11-26 | Csr Technology Inc. | Signal processing system for satellite positioning signals |
US8947300B2 (en) | 2003-09-02 | 2015-02-03 | Csr Technology Inc. | Control and features for satellite positioning system receivers |
US8810450B2 (en) | 2004-09-02 | 2014-08-19 | Csr Technology Inc. | Global positioning system receiver timeline management |
Also Published As
Publication number | Publication date |
---|---|
GB2335554A (en) | 1999-09-22 |
GB9805596D0 (en) | 1998-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20040318 |