GB2335554B - Radio synchronisation system - Google Patents

Radio synchronisation system

Info

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
Grant status
Grant
Patent type
Prior art keywords
synchronisation system
radio synchronisation
radio
system
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
Application number
GB9805596A
Other versions
GB2335554A (en )
GB9805596D0 (en )
Inventor
John Joseph Spicer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Grant date

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02Automatic frequency control
    • H03J7/04Automatic 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
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022Stabilisation 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
    • H03L1/026Stabilisation 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
GB9805596A 1998-03-18 1998-03-18 Radio synchronisation system Expired - Fee Related GB2335554B (en)

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 true 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7970412B2 (en) 2000-05-18 2011-06-28 Sirf Technology, Inc. Aided location communication system
US7949362B2 (en) 2000-05-18 2011-05-24 Sirf Technology, Inc. Satellite positioning aided communication system selection
US8078189B2 (en) 2000-08-14 2011-12-13 Sirf Technology, Inc. System and method for providing location based services over a network
US7929928B2 (en) * 2000-05-18 2011-04-19 Sirf Technology Inc. Frequency phase correction system
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 Type
GB2335554A (en) 1999-09-22 application
GB9805596D0 (en) 1998-05-13 grant

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040318