KR890019679U - Piezoelectric vibration detector - Google Patents

Piezoelectric vibration detector

Info

Publication number
KR890019679U
KR890019679U KR2019880021667U KR880021667U KR890019679U KR 890019679 U KR890019679 U KR 890019679U KR 2019880021667 U KR2019880021667 U KR 2019880021667U KR 880021667 U KR880021667 U KR 880021667U KR 890019679 U KR890019679 U KR 890019679U
Authority
KR
South Korea
Prior art keywords
piezoelectric vibration
vibration detector
detector
piezoelectric
vibration
Prior art date
Application number
KR2019880021667U
Other languages
Korean (ko)
Other versions
KR930003859Y1 (en
Inventor
다까히로 구로사와
Original Assignee
리온 가부시기가이샤
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
Priority claimed from JP4096688U external-priority patent/JPH01144830U/ja
Priority claimed from JP8583088U external-priority patent/JPH0524025Y2/ja
Priority claimed from JP8582988U external-priority patent/JPH0524024Y2/ja
Priority claimed from JP13451388U external-priority patent/JPH056507Y2/ja
Application filed by 리온 가부시기가이샤 filed Critical 리온 가부시기가이샤
Publication of KR890019679U publication Critical patent/KR890019679U/en
Application granted granted Critical
Publication of KR930003859Y1 publication Critical patent/KR930003859Y1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring 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
    • G01P15/09—Measuring 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
KR2019880021667U 1988-03-28 1988-12-27 Vibration detector KR930003859Y1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP63-40966 1988-03-28
JP4096688U JPH01144830U (en) 1988-03-28 1988-03-28
JP63-85829 1988-06-30
JP8583088U JPH0524025Y2 (en) 1988-06-30 1988-06-30
JP63-85830 1988-06-30
JP8582988U JPH0524024Y2 (en) 1988-06-30 1988-06-30
JP63-134513 1988-10-17
JP13451388U JPH056507Y2 (en) 1988-10-17 1988-10-17

Publications (2)

Publication Number Publication Date
KR890019679U true KR890019679U (en) 1989-10-05
KR930003859Y1 KR930003859Y1 (en) 1993-06-23

Family

ID=27460978

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880021667U KR930003859Y1 (en) 1988-03-28 1988-12-27 Vibration detector

Country Status (1)

Country Link
KR (1) KR930003859Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101386642B1 (en) * 2013-12-23 2014-04-18 국방과학연구소 Seismic sensor

Also Published As

Publication number Publication date
KR930003859Y1 (en) 1993-06-23

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