DE60025732D1 - Frequenzmessgerät - Google Patents

Frequenzmessgerät

Info

Publication number
DE60025732D1
DE60025732D1 DE60025732T DE60025732T DE60025732D1 DE 60025732 D1 DE60025732 D1 DE 60025732D1 DE 60025732 T DE60025732 T DE 60025732T DE 60025732 T DE60025732 T DE 60025732T DE 60025732 D1 DE60025732 D1 DE 60025732D1
Authority
DE
Germany
Prior art keywords
frequency meter
meter
frequency
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 - Lifetime
Application number
DE60025732T
Other languages
English (en)
Other versions
DE60025732T2 (de
Inventor
Kazuaki Fujitsu Limited Oishi
Hideki Fujitsu Limited Ishida
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.)
Fujitsu Semiconductor Ltd
Original Assignee
Fujitsu 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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60025732D1 publication Critical patent/DE60025732D1/de
Publication of DE60025732T2 publication Critical patent/DE60025732T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
DE60025732T 1999-10-21 2000-08-18 Frequenzmessgerät Expired - Lifetime DE60025732T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP29998699A JP3691310B2 (ja) 1999-10-21 1999-10-21 周波数測定回路
JP29998699 1999-10-21
PCT/JP2000/005574 WO2001029969A1 (fr) 1999-10-21 2000-08-18 Frequencemetre

Publications (2)

Publication Number Publication Date
DE60025732D1 true DE60025732D1 (de) 2006-04-13
DE60025732T2 DE60025732T2 (de) 2006-07-20

Family

ID=17879378

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60025732T Expired - Lifetime DE60025732T2 (de) 1999-10-21 2000-08-18 Frequenzmessgerät

Country Status (7)

Country Link
US (2) US6674277B1 (de)
EP (1) EP1227591B1 (de)
JP (1) JP3691310B2 (de)
KR (1) KR100768050B1 (de)
CN (1) CN1168212C (de)
DE (1) DE60025732T2 (de)
WO (1) WO2001029969A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1734371A4 (de) * 2004-03-09 2011-01-26 Panasonic Corp Frequenzsensor und halbleitereinrichtung
US7085668B2 (en) * 2004-08-20 2006-08-01 Teradyne, Inc. Time measurement method using quadrature sine waves
JP5286524B2 (ja) * 2006-03-22 2013-09-11 国立大学法人群馬大学 周波数測定装置及び周波数測定方法
JP4838110B2 (ja) * 2006-12-18 2011-12-14 富士通株式会社 システムクロック供給装置及び基準発振器の周波数ずれ判定方法
JP2009250807A (ja) * 2008-04-07 2009-10-29 Seiko Epson Corp 周波数測定装置及び測定方法
JP2010271091A (ja) * 2009-05-20 2010-12-02 Seiko Epson Corp 周波数測定装置
JP5517033B2 (ja) * 2009-05-22 2014-06-11 セイコーエプソン株式会社 周波数測定装置
JP5440999B2 (ja) * 2009-05-22 2014-03-12 セイコーエプソン株式会社 周波数測定装置
JP5582447B2 (ja) * 2009-08-27 2014-09-03 セイコーエプソン株式会社 電気回路、同電気回路を備えたセンサーシステム、及び同電気回路を備えたセンサーデバイス
JP5815918B2 (ja) * 2009-10-06 2015-11-17 セイコーエプソン株式会社 周波数測定方法、周波数測定装置及び周波数測定装置を備えた装置
JP5876975B2 (ja) * 2009-10-08 2016-03-02 セイコーエプソン株式会社 周波数測定装置及び周波数測定装置における変速分周信号の生成方法
JP5883558B2 (ja) 2010-08-31 2016-03-15 セイコーエプソン株式会社 周波数測定装置及び電子機器
DE102010046880A1 (de) * 2010-09-29 2012-03-29 Phoenix Contact Gmbh & Co. Kg Verfahren und Anordnung zur Frequenzbestimmung
CN102468830B (zh) * 2010-11-16 2016-01-20 北京中电华大电子设计有限责任公司 一种利用多相位信号提高频率比较器精度的方法和电路
GB2488590B (en) * 2011-03-03 2013-07-17 Weston Aerospace Ltd Noise reduction system and method
TW201304418A (zh) * 2011-07-15 2013-01-16 Askey Technology Jiangsu Ltd 頻率校正方法及系統
TW201303314A (zh) * 2011-07-15 2013-01-16 Askey Technology Jiangsu Ltd 計頻器
TW201303315A (zh) * 2011-07-15 2013-01-16 Askey Technology Jiangsu Ltd 頻率量測方法及系統
CN103023488A (zh) * 2011-09-22 2013-04-03 亚旭电子科技(江苏)有限公司 频率校正方法及系统
CN107340426A (zh) * 2016-05-03 2017-11-10 成都锐成芯微科技股份有限公司 频率检测系统及方法
CN109490624B (zh) * 2018-10-19 2020-11-10 陕西长岭电子科技有限责任公司 脉冲信号频率测量器
CN110470903B (zh) * 2019-07-31 2021-08-17 山东建筑大学 一种电压频率软测量装置和方法
CN110988463A (zh) * 2019-11-07 2020-04-10 西安电子科技大学 数字化相位比对精准获取信号频率及频率稳定度的方法
WO2022039775A1 (en) * 2020-08-19 2022-02-24 Microchip Technology Incorporated Sensors, autonomous sensors and related systems, methods and devices

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831162A (en) * 1955-05-09 1958-04-15 Julian E Gross Time-interval measuring device
US2992384A (en) * 1959-07-06 1961-07-11 Thompson Ramo Wooldridge Inc Frequency counter
GB1196907A (en) * 1966-07-08 1970-07-01 Rolls Royce Frequency Measuring Apparatus
JPS526189B2 (de) * 1972-08-23 1977-02-19
JPS57211070A (en) * 1981-06-20 1982-12-24 Nippon Seiki Co Ltd Pulse counting device
SU1239618A1 (ru) 1983-07-11 1986-06-23 Предприятие П/Я А-1891 Способ измерени частоты следовани импульсов за фиксированный интеграл времени
JPS60144044A (ja) * 1984-01-04 1985-07-30 Nec Corp 反転間隔検出回路
US4541105A (en) * 1984-03-23 1985-09-10 Sundstrand Data Control, Inc. Counting apparatus and method for frequency sampling
SU1247772A1 (ru) 1985-02-19 1986-07-30 Московский Ордена Трудового Красного Знамени Физико-Технический Институт Цифровой частотомер
DE3614272A1 (de) 1986-04-26 1987-10-29 Blaupunkt Werke Gmbh Verfahren und anordnung zur schnellen und praezisen messung der frequenz eines signals
JPS63226115A (ja) * 1987-03-16 1988-09-20 Fujitsu Ltd ゼロクロスカウンタ
SU1596462A1 (ru) 1988-02-23 1990-09-30 Севастопольский Приборостроительный Институт Способ преобразовани частота-код
SU1636786A1 (ru) 1988-05-04 1991-03-23 Красноярский Политехнический Институт Цифровой частотомер
US4854105A (en) * 1988-05-10 1989-08-08 Delisle Roger L Roofing membrane anchor
JPH02141024A (ja) * 1988-11-21 1990-05-30 Jidosha Kiki Co Ltd 車速パルス計数方法
JPH02287114A (ja) * 1989-04-27 1990-11-27 Toshiba Micro Electron Kk パルス時間計測用データ平均処理装置
US5095264A (en) * 1990-09-12 1992-03-10 Sundstrand Data Control, Inc. Frequency counter and method of counting frequency of a signal to minimize effects of duty cycle modulation
US5442278A (en) * 1993-09-24 1995-08-15 Acer Peripherals, Inc. Apparatus for detecting the frequency of an input signal by counting pulses during an input signal cycle
JP2793524B2 (ja) * 1995-07-31 1998-09-03 日本電気アイシーマイコンシステム株式会社 時間測定システムおよびその測定方法

Also Published As

Publication number Publication date
DE60025732T2 (de) 2006-07-20
EP1227591A4 (de) 2002-10-30
KR100768050B1 (ko) 2007-10-17
US20040100245A1 (en) 2004-05-27
WO2001029969A1 (fr) 2001-04-26
KR20030074113A (ko) 2003-09-19
JP3691310B2 (ja) 2005-09-07
CN1168212C (zh) 2004-09-22
EP1227591A1 (de) 2002-07-31
JP2001119291A (ja) 2001-04-27
US6917191B2 (en) 2005-07-12
EP1227591B1 (de) 2006-01-25
CN1379929A (zh) 2002-11-13
US6674277B1 (en) 2004-01-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJITSU MICROELECTRONICS LTD., TOKYO, JP

8327 Change in the person/name/address of the patent owner

Owner name: FUJITSU SEMICONDUCTOR LTD., YOKOHAMA, KANAGAWA, JP

8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE