DE69316745D1 - Drehgeschwindigkeitsdetektorschaltung - Google Patents

Drehgeschwindigkeitsdetektorschaltung

Info

Publication number
DE69316745D1
DE69316745D1 DE69316745T DE69316745T DE69316745D1 DE 69316745 D1 DE69316745 D1 DE 69316745D1 DE 69316745 T DE69316745 T DE 69316745T DE 69316745 T DE69316745 T DE 69316745T DE 69316745 D1 DE69316745 D1 DE 69316745D1
Authority
DE
Germany
Prior art keywords
rotary speed
detector circuit
speed detector
rotary
circuit
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
DE69316745T
Other languages
English (en)
Other versions
DE69316745T2 (de
Inventor
Fumio Nakajima
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.)
Citizen Holdings Co Ltd
Original Assignee
Citizen Watch Co 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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of DE69316745D1 publication Critical patent/DE69316745D1/de
Application granted granted Critical
Publication of DE69316745T2 publication Critical patent/DE69316745T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
    • G01C19/5607—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating tuning forks

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
DE69316745T 1992-11-17 1993-11-15 Drehgeschwindigkeitsdetektorschaltung Expired - Lifetime DE69316745T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP32992892 1992-11-17
JP23551493 1993-08-27
JP25360493 1993-09-17
PCT/JP1993/001668 WO1994011706A1 (en) 1992-11-17 1993-11-15 Angular velocity detector circuit

Publications (2)

Publication Number Publication Date
DE69316745D1 true DE69316745D1 (de) 1998-03-05
DE69316745T2 DE69316745T2 (de) 1998-07-16

Family

ID=27332271

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69316745T Expired - Lifetime DE69316745T2 (de) 1992-11-17 1993-11-15 Drehgeschwindigkeitsdetektorschaltung

Country Status (5)

Country Link
US (1) US5420548A (de)
EP (1) EP0636860B1 (de)
JP (1) JP3421720B2 (de)
DE (1) DE69316745T2 (de)
WO (1) WO1994011706A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5861705A (en) * 1994-11-01 1999-01-19 Fujitsu Limited Tuning-fork vibratory gyro and sensor system using the same
JP3392959B2 (ja) * 1994-11-01 2003-03-31 富士通株式会社 音叉形振動ジャイロ及びこれを用いたセンサシステム
DE19544338A1 (de) * 1994-11-28 1996-05-30 Nippon Denso Co Winkelgeschwindigkeitssensor
EP0828992B1 (de) * 1995-05-31 2001-08-01 LITEF GmbH Mikromechanischer drehratensensor
FR2736153B1 (fr) * 1995-06-29 1997-08-22 Asulab Sa Dispositif de mesure d'une vitesse angulaire
JP3369033B2 (ja) * 1995-08-31 2003-01-20 アルプス電気株式会社 振動型ジャイロスコープ
US5970793A (en) 1996-07-08 1999-10-26 Citizen Watch Co., Ltd. Angular velocity sensor and angular velocity sensing system
JP3050130B2 (ja) * 1996-07-31 2000-06-12 日本電気株式会社 圧電トランスおよびその異常動作検出保護装置
JPH10197255A (ja) * 1997-01-10 1998-07-31 Sony Corp 角速度センサー
US6281619B1 (en) * 1997-05-09 2001-08-28 Citizen Watch Co., Ltd. Vibration gyro
EP0983541B1 (de) 1997-05-29 2003-08-06 Sun Microsystems, Inc. Verfahren und vorrichtung zur versiegelung und unterschrift von objekten
JP3336451B2 (ja) * 1997-08-22 2002-10-21 富士通株式会社 音叉型振動ジャイロ
US5939631A (en) * 1998-03-13 1999-08-17 Bei Technologies Inc. Low impedance single-ended tuning fork and method
JP3335122B2 (ja) * 1998-05-06 2002-10-15 松下電器産業株式会社 角速度センサ
JP2000009469A (ja) * 1998-06-18 2000-01-14 Fujitsu Ltd 圧電ジャイロおよびその駆動方法
JP3520821B2 (ja) * 1999-10-29 2004-04-19 株式会社村田製作所 振動ジャイロ用自己診断回路
JP3778809B2 (ja) * 2001-04-13 2006-05-24 富士通メディアデバイス株式会社 音叉型振動ジャイロ及びその電極トリミング方法
US7138288B2 (en) * 2003-03-28 2006-11-21 Citizen Watch Co., Ltd. Method for manufacturing small crystal resonator
JP4980063B2 (ja) * 2004-10-07 2012-07-18 パナソニック株式会社 角速度センサ
JP4258466B2 (ja) * 2004-12-16 2009-04-30 セイコーエプソン株式会社 圧電ジャイロ素子及び圧電ジャイロスコープ
JP2009014584A (ja) * 2007-07-06 2009-01-22 Epson Toyocom Corp 振動ジャイロ
JP4640459B2 (ja) * 2008-07-04 2011-03-02 ソニー株式会社 角速度センサ
WO2010042796A1 (en) * 2008-10-10 2010-04-15 Purdue Research Foundation Compounds for treatment of alzheimer's disease

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4674331A (en) * 1984-07-27 1987-06-23 Watson Industries Inc. Angular rate sensor
JPS6177712A (ja) * 1984-09-25 1986-04-21 Nippon Denso Co Ltd 角速度センサ
JPH0758196B2 (ja) * 1984-11-15 1995-06-21 日本電装株式会社 角速度センサの製造方法
JPS61191917A (ja) * 1985-02-20 1986-08-26 Tadashi Konno 音叉型振動ジヤイロ
JPS61240115A (ja) * 1985-04-18 1986-10-25 Matsushita Electric Ind Co Ltd 角速度センサ
JPS62106315A (ja) * 1985-11-01 1987-05-16 Tokyo Koku Keiki Kk 振動ジヤイロ
US4930351A (en) * 1988-03-24 1990-06-05 Wjm Corporation Vibratory linear acceleration and angular rate sensing system
US5349857A (en) * 1988-08-12 1994-09-27 Murata Manufacturing Co., Ltd. Vibratory gyroscope
JPH03172714A (ja) * 1989-11-30 1991-07-26 Murata Mfg Co Ltd 検出回路
JPH04102013A (ja) * 1990-08-21 1992-04-03 Nec Home Electron Ltd 振動ジャイロおよびその駆動方法
JPH04118515A (ja) * 1990-09-10 1992-04-20 Aisin Seiki Co Ltd 角速度検出器および加速度検出器
JP2541375B2 (ja) * 1990-12-11 1996-10-09 株式会社村田製作所 検知回路
JPH04297874A (ja) * 1991-01-22 1992-10-21 Matsushita Electric Ind Co Ltd 角速度センサ駆動装置
DE69213976T2 (de) * 1991-03-12 1997-04-03 New Sd Inc Stimmgabelinertialsensor mit einem Ende und Verfahren
DE69225505T2 (de) * 1991-06-07 1998-09-10 Mitsubishi Electric Corp Schwingungssteuerungsgerät

Also Published As

Publication number Publication date
US5420548A (en) 1995-05-30
EP0636860A1 (de) 1995-02-01
EP0636860A4 (de) 1994-10-20
EP0636860B1 (de) 1998-01-28
DE69316745T2 (de) 1998-07-16
WO1994011706A1 (en) 1994-05-26
JP3421720B2 (ja) 2003-06-30

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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: CITIZEN HOLDINGS CO., LTD., NISHITOKYO, TOKIO/, JP