CN101523726B - 电子设备中的有效时钟校准 - Google Patents

电子设备中的有效时钟校准 Download PDF

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Publication number
CN101523726B
CN101523726B CN2007800382555A CN200780038255A CN101523726B CN 101523726 B CN101523726 B CN 101523726B CN 2007800382555 A CN2007800382555 A CN 2007800382555A CN 200780038255 A CN200780038255 A CN 200780038255A CN 101523726 B CN101523726 B CN 101523726B
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China
Prior art keywords
reference clock
calibration
representative
during
start time
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Chinese (zh)
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CN101523726A (zh
Inventor
J·哈尔特森
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Manipulation Of Pulses (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
CN2007800382555A 2006-10-12 2007-09-11 电子设备中的有效时钟校准 Active CN101523726B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/548,784 2006-10-12
US11/548,784 US7272078B1 (en) 2006-10-12 2006-10-12 Efficient clock calibration in electronic equipment
PCT/EP2007/059491 WO2008043629A1 (en) 2006-10-12 2007-09-11 Efficient clock calibration in electronic equipment

Publications (2)

Publication Number Publication Date
CN101523726A CN101523726A (zh) 2009-09-02
CN101523726B true CN101523726B (zh) 2012-01-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007800382555A Active CN101523726B (zh) 2006-10-12 2007-09-11 电子设备中的有效时钟校准

Country Status (11)

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US (1) US7272078B1 (enExample)
EP (1) EP2089970B1 (enExample)
JP (1) JP4994456B2 (enExample)
CN (1) CN101523726B (enExample)
AT (1) ATE467272T1 (enExample)
BR (1) BRPI0717795B1 (enExample)
DE (1) DE602007006341D1 (enExample)
DK (1) DK2089970T3 (enExample)
ES (1) ES2345294T3 (enExample)
TW (1) TWI399548B (enExample)
WO (1) WO2008043629A1 (enExample)

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US8942150B2 (en) * 2007-03-19 2015-01-27 Qualcomm Incorporated Uplink timing control
US8170165B2 (en) * 2007-12-05 2012-05-01 Agere Systems Inc. Clock calibration in sleep mode
US7881895B2 (en) * 2008-05-27 2011-02-01 Sony Ericsson Mobile Communications Ab Methods of calibrating a clock using multiple clock periods with a single counter and related devices and methods
US8135553B2 (en) * 2008-07-31 2012-03-13 Mediatek Inc. Method for clock calibration
US8407037B2 (en) * 2008-11-05 2013-03-26 Qualcomm, Incorporated Methods and apparatus for clock simulation with calibration
EP2369438B1 (en) * 2010-02-24 2014-02-26 Fujitsu Semiconductor Limited Calibration method of a real time clock signal
US9766682B1 (en) * 2014-01-27 2017-09-19 Marvell International Ltd. Wakeup time system using drift estimation
KR102665713B1 (ko) * 2016-12-21 2024-05-14 에스케이하이닉스 주식회사 듀티 보정 회로 및 듀티 보정 방법
US10849086B2 (en) * 2017-07-20 2020-11-24 Itron Networked Solutions, Inc. Compensating for oscillator drift in wireless mesh networks
WO2019024064A1 (zh) * 2017-08-04 2019-02-07 深圳市汇顶科技股份有限公司 定时方法、时钟设备和终端设备
GB201800552D0 (en) * 2018-01-12 2018-02-28 Nordic Semiconductor Asa Clock calibration
CN113038445B (zh) * 2021-03-26 2022-11-18 上海磐启微电子有限公司 一种蓝牙休眠时钟的校准方法
CN114138056B (zh) * 2021-11-04 2024-05-17 珠海格力节能环保制冷技术研究中心有限公司 显示终端时钟校准方法、装置及显示终端
CN114489239B (zh) * 2022-01-21 2024-06-04 国微集团(深圳)有限公司 动态校准实时时钟的方法及装置
CN114886169B (zh) * 2022-03-31 2025-05-02 深圳市智慧芯图科技有限公司 一种电子烟吸烟检测方法、检测模块和电子烟

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EP0939495A1 (en) * 1998-02-26 1999-09-01 Motorola Semiconducteurs S.A. Power saving for a electronic devices
CN1278675A (zh) * 1999-06-18 2001-01-03 Lg情报通信株式会社 数字锁相环电路
CN1418403A (zh) * 2000-03-20 2003-05-14 摩托罗拉公司 可调扩频时钟发生器及其实现方法
CN1691203A (zh) * 2004-04-27 2005-11-02 海力士半导体有限公司 用在半导体存储器件中的工作周期校正设备及方法

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CN1014468B (zh) * 1985-04-01 1991-10-23 霍尼韦尔资料系统有限公司 测量频率和时间的装置和方法
JPH0567967A (ja) 1991-09-09 1993-03-19 Nec Corp クロツク発生装置
US5424664A (en) * 1993-07-02 1995-06-13 Rockwell International Corporation Direct digital synthesizer with adjustable clock frequency
JP3125562B2 (ja) * 1994-03-10 2001-01-22 富士電機株式会社 クロック発生回路
KR960010758B1 (ko) * 1994-06-27 1996-08-08 엘지반도체 주식회사 주파수 측정회로
US6016312A (en) * 1997-02-28 2000-01-18 Motorola, Inc. Radiotelephone and method for clock calibration for slotted paging mode in a CDMA radiotelephone system
US6088602A (en) 1998-03-27 2000-07-11 Lsi Logic Corporation High resolution frequency calibrator for sleep mode clock in wireless communications mobile station
US6124764A (en) * 1999-01-22 2000-09-26 Telefonaktiebolaget Lm Ericsson Stable low-power oscillator
US6304517B1 (en) 1999-06-18 2001-10-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for real time clock frequency error correction
US6725067B1 (en) * 2000-03-24 2004-04-20 International Business Machines Corporation Method and system for restarting a reference clock of a mobile station after a sleep period with a zero mean time error
DE10029421C2 (de) 2000-06-15 2002-07-11 Infineon Technologies Ag Kalibriervorrichtung und -verfahren für die Taktgenerierung auf einem integrierten Schaltkreis
US6889055B1 (en) 2000-10-16 2005-05-03 Qualcomm Inc. Technique for reducing average power consumption in a wireless communications device
EP1340321A1 (en) 2000-12-07 2003-09-03 QUALCOMM Incorporated Method and apparatus for compensating for frequency drift in a low frequency sleep clock within a mobile station operating in a slotted paging mode
EP1532738B1 (de) 2002-08-26 2008-01-02 Infineon Technologies AG Verfahren und vorrichtung zum erfassen von periodendauerschwankungen periodischer signale
GB2397465B (en) 2003-01-15 2004-12-29 Nec Technologies Mobile radio communications device and operating method
JP4119774B2 (ja) * 2003-03-13 2008-07-16 京セラ株式会社 携帯電話機及び携帯電話機のｒｔｃ補正方法
DE60311851D1 (de) 2003-12-29 2007-03-29 St Microelectronics Srl Vorrichtung und Verfahren zur Oszillatorfrequenzkalibrierung und Phasenregelkreis diese benützend.
US20050221870A1 (en) 2004-04-06 2005-10-06 Integration Associates Inc. Method and circuit for determining a slow clock calibration factor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0939495A1 (en) * 1998-02-26 1999-09-01 Motorola Semiconducteurs S.A. Power saving for a electronic devices
CN1278675A (zh) * 1999-06-18 2001-01-03 Lg情报通信株式会社 数字锁相环电路
CN1418403A (zh) * 2000-03-20 2003-05-14 摩托罗拉公司 可调扩频时钟发生器及其实现方法
CN1691203A (zh) * 2004-04-27 2005-11-02 海力士半导体有限公司 用在半导体存储器件中的工作周期校正设备及方法

Also Published As

Publication number Publication date
ES2345294T3 (es) 2010-09-20
DE602007006341D1 (de) 2010-06-17
US7272078B1 (en) 2007-09-18
WO2008043629A1 (en) 2008-04-17
EP2089970B1 (en) 2010-05-05
JP4994456B2 (ja) 2012-08-08
HK1133334A1 (en) 2010-03-19
BRPI0717795B1 (pt) 2020-01-07
EP2089970A1 (en) 2009-08-19
TWI399548B (zh) 2013-06-21
DK2089970T3 (da) 2010-08-16
CN101523726A (zh) 2009-09-02
BRPI0717795A2 (pt) 2014-04-15
TW200821588A (en) 2008-05-16
ATE467272T1 (de) 2010-05-15
JP2010506523A (ja) 2010-02-25

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