DE3925744C2 - Beschleunigungsdetektor - Google Patents

Beschleunigungsdetektor

Info

Publication number
DE3925744C2
DE3925744C2 DE3925744A DE3925744A DE3925744C2 DE 3925744 C2 DE3925744 C2 DE 3925744C2 DE 3925744 A DE3925744 A DE 3925744A DE 3925744 A DE3925744 A DE 3925744A DE 3925744 C2 DE3925744 C2 DE 3925744C2
Authority
DE
Germany
Prior art keywords
housing
acceleration
cavity
outer housing
acceleration detector
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
DE3925744A
Other languages
German (de)
English (en)
Other versions
DE3925744A1 (de
Inventor
Satoshi Komurasaki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE3925744A1 publication Critical patent/DE3925744A1/de
Application granted granted Critical
Publication of DE3925744C2 publication Critical patent/DE3925744C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/09Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up
    • G01P15/0907Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by piezoelectric pick-up of the compression mode type
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00Details of instruments
    • G01P1/02Housings
    • G01P1/023Housings for acceleration measuring devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • G01N2291/02827Elastic parameters, strength or force

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Pressure Sensors (AREA)
DE3925744A 1988-08-05 1989-08-03 Beschleunigungsdetektor Expired - Fee Related DE3925744C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988103203U JPH0225834U (en, 2012) 1988-08-05 1988-08-05

Publications (2)

Publication Number Publication Date
DE3925744A1 DE3925744A1 (de) 1990-02-08
DE3925744C2 true DE3925744C2 (de) 1994-05-05

Family

ID=14347962

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3925744A Expired - Fee Related DE3925744C2 (de) 1988-08-05 1989-08-03 Beschleunigungsdetektor

Country Status (4)

Country Link
US (1) US4949571A (en, 2012)
JP (1) JPH0225834U (en, 2012)
KR (1) KR920007413Y1 (en, 2012)
DE (1) DE3925744C2 (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0363528A (ja) * 1989-08-01 1991-03-19 Mitsubishi Electric Corp 振動検出器
US5282387A (en) * 1990-11-02 1994-02-01 Takata Corporation Shock sensor
DE4206224A1 (de) * 1992-02-28 1993-04-01 Daimler Benz Ag Verfahren zur ueberpruefung der signale von sonden
CZ194096A3 (cs) * 1995-07-03 1998-09-16 Robert Bosch Gmbh Snímač kmitání s přítlačným pouzdrem
JP4222196B2 (ja) * 2003-12-01 2009-02-12 株式会社デンソー 電気回路機器の破壊防止構造
JP4053514B2 (ja) * 2004-05-26 2008-02-27 三菱電機株式会社 内燃機関のノッキングセンサおよびその製造方法
DE102005061889A1 (de) * 2005-12-23 2007-07-05 Robert Bosch Gmbh Einlegeteil sowie Spritzgussteil mit Einlegeteil

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH619541A5 (en, 2012) * 1977-10-25 1980-09-30 Kistler Instrumente Ag
DE3037835C2 (de) * 1980-10-07 1982-11-18 Daimler-Benz Ag, 7000 Stuttgart Beschleunigungsaufnehmer
JPH0416333Y2 (en, 2012) * 1987-09-04 1992-04-13

Also Published As

Publication number Publication date
US4949571A (en) 1990-08-21
DE3925744A1 (de) 1990-02-08
JPH0225834U (en, 2012) 1990-02-20
KR900005354U (ko) 1990-03-08
KR920007413Y1 (ko) 1992-10-12

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee