ATE438890T1 - Verfahren, vorrichtungen, drahtlose endgeräte, und komputerprogrammprodukten zur kalibrierung von einer elektronischen uhr die ein basisreferenzsignal benutzt - Google Patents

Verfahren, vorrichtungen, drahtlose endgeräte, und komputerprogrammprodukten zur kalibrierung von einer elektronischen uhr die ein basisreferenzsignal benutzt

Info

Publication number
ATE438890T1
ATE438890T1 AT01924887T AT01924887T ATE438890T1 AT E438890 T1 ATE438890 T1 AT E438890T1 AT 01924887 T AT01924887 T AT 01924887T AT 01924887 T AT01924887 T AT 01924887T AT E438890 T1 ATE438890 T1 AT E438890T1
Authority
AT
Austria
Prior art keywords
reference signal
calibration
frequency
electronic clock
base reference
Prior art date
Application number
AT01924887T
Other languages
English (en)
Inventor
Joel Walukas
Anthony Ricotta
Original Assignee
Ericsson Inc
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
Application filed by Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of ATE438890T1 publication Critical patent/ATE438890T1/de

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Manipulation Of Pulses (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AT01924887T 2000-05-16 2001-04-10 Verfahren, vorrichtungen, drahtlose endgeräte, und komputerprogrammprodukten zur kalibrierung von einer elektronischen uhr die ein basisreferenzsignal benutzt ATE438890T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/571,461 US6545950B1 (en) 2000-05-16 2000-05-16 Methods, systems, wireless terminals, and computer program products for calibrating an electronic clock using a base reference signal and a non-continuous calibration reference signal having greater accuracy than the base reference signal
PCT/US2001/011616 WO2001088635A2 (en) 2000-05-16 2001-04-10 Methods, systems, wireless terminals, and computer program products for calibrating an electronic clock using a base reference signal and a non-continuous calibration reference signal having greater accuracy than the base reference signal

Publications (1)

Publication Number Publication Date
ATE438890T1 true ATE438890T1 (de) 2009-08-15

Family

ID=24283801

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01924887T ATE438890T1 (de) 2000-05-16 2001-04-10 Verfahren, vorrichtungen, drahtlose endgeräte, und komputerprogrammprodukten zur kalibrierung von einer elektronischen uhr die ein basisreferenzsignal benutzt

Country Status (7)

Country Link
US (1) US6545950B1 (de)
EP (1) EP1287408B1 (de)
CN (1) CN1211716C (de)
AT (1) ATE438890T1 (de)
AU (1) AU2001251499A1 (de)
DE (1) DE60139472D1 (de)
WO (1) WO2001088635A2 (de)

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DE10024702A1 (de) * 2000-05-18 2001-11-22 Bosch Gmbh Robert Einspritzanordnung für ein Kraftstoff-Speichereinspritzsystem einer Verbrennungsmaschine
US6772361B1 (en) * 2000-07-10 2004-08-03 Advanced Micro Devices, Inc. Real time clock (RTC) having several highly desirable timekeeping dependability and security attributes, and methods for accessing a register thereof
US7342681B2 (en) * 2001-07-13 2008-03-11 Transpacific Ip, Ltd High-speed calibration method and system for an image-capture apparatus
US7181572B2 (en) 2002-12-02 2007-02-20 Silverbrook Research Pty Ltd Cache updating method and apparatus
FR2853093B1 (fr) * 2003-03-25 2005-09-30 Systeme de compensation des derives d'une horloge pour vehicule automobile
JP4264494B2 (ja) * 2003-05-15 2009-05-20 Ｏｋｉセミコンダクタ株式会社 標準電波受信時刻装置
US6826123B1 (en) * 2003-10-14 2004-11-30 International Business Machines Corporation Global recovery for time of day synchronization
US20050259722A1 (en) * 2004-05-21 2005-11-24 Reginald Vanlonden Wireless clock system
US20060045215A1 (en) * 2004-08-31 2006-03-02 Motorola, Inc. Method and apparatus for frequency correcting a periodic signal
US7398411B2 (en) * 2005-05-12 2008-07-08 Schweitzer Engineering Laboratories, Inc. Self-calibrating time code generator
US8014476B2 (en) 2005-11-07 2011-09-06 Qualcomm, Incorporated Wireless device with a non-compensated crystal oscillator
GB2432432B (en) * 2005-11-16 2009-04-15 Polymeters Response Internat L Timekeeping apparatus
CN100565424C (zh) * 2006-05-19 2009-12-02 联发科技股份有限公司 校正方法及装置
US7455447B2 (en) * 2006-05-19 2008-11-25 Mediatek Inc. Method and apparatus for a portable device
CN1870479B (zh) * 2006-06-12 2010-08-04 华为技术有限公司 一种实现对铷钟老化补偿的系统和方法
JP5114218B2 (ja) * 2008-01-10 2013-01-09 ラピスセミコンダクタ株式会社 周波数補正回路及びこれを用いた時計装置
US8402302B2 (en) * 2008-07-03 2013-03-19 Imsys Ab Timer system for maintaining the accuracy of a real time clock when synchronization source is not available
US20090129208A1 (en) * 2009-01-28 2009-05-21 Weiss Kenneth P Apparatus, system and method for keeping time
US8706073B2 (en) 2009-06-16 2014-04-22 Blackberry Limited System and method for dynamic adjustment of clock calibration
CN102185561A (zh) * 2011-01-26 2011-09-14 意法·爱立信半导体（北京）有限公司 一种终端开机的频偏调整方法及装置
US8924765B2 (en) * 2011-07-03 2014-12-30 Ambiq Micro, Inc. Method and apparatus for low jitter distributed clock calibration
EP2741442A1 (de) 2012-12-07 2014-06-11 Dialog Semiconductor B.V. Automatische Taktkalibrierung einer ferngesteuerten Einheit unter Verwendung von Phasenverschiebung
JP6814660B2 (ja) * 2017-02-27 2021-01-20 株式会社トプコン システムタイマおよび同システムタイマを備えた測量機
US10936004B2 (en) * 2017-09-28 2021-03-02 Microchip Technology Incorporated Temperature compensated clock frequency monitor
CN111830892B (zh) * 2019-04-22 2022-09-23 新疆金风科技股份有限公司 风力发电机组统计时间校准方法和装置、存储介质
CN111934678B (zh) * 2020-09-28 2021-01-05 深圳英集芯科技有限公司 芯片内时钟频率自动校准方法及相关产品
CN112269424A (zh) * 2020-11-19 2021-01-26 珠海零边界集成电路有限公司 一种芯片时钟频率校准方法、装置、设备和介质
CN116318120B (zh) * 2023-03-30 2024-05-03 归芯科技(深圳)有限公司 Rc振荡时钟的校准电路、校准方法、芯片和电子设备
CN116880430B (zh) * 2023-09-08 2023-11-28 东晶电子金华有限公司 一种全自动谐振器微调对机的控制方法和系统
WO2025160978A1 (zh) * 2024-02-02 2025-08-07 Oppo广东移动通信有限公司 频率校准方法、装置、设备及存储介质

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Also Published As

Publication number Publication date
US6545950B1 (en) 2003-04-08
AU2001251499A1 (en) 2001-11-26
CN1441925A (zh) 2003-09-10
EP1287408A2 (de) 2003-03-05
CN1211716C (zh) 2005-07-20
WO2001088635A3 (en) 2002-06-13
WO2001088635A2 (en) 2001-11-22
EP1287408B1 (de) 2009-08-05
DE60139472D1 (de) 2009-09-17

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