JPH0152911B2 - - Google Patents

Info

Publication number
JPH0152911B2
JPH0152911B2 JP56057149A JP5714981A JPH0152911B2 JP H0152911 B2 JPH0152911 B2 JP H0152911B2 JP 56057149 A JP56057149 A JP 56057149A JP 5714981 A JP5714981 A JP 5714981A JP H0152911 B2 JPH0152911 B2 JP H0152911B2
Authority
JP
Japan
Prior art keywords
displacement
electrostrictive element
bolt
electrostrictive
equation
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
Application number
JP56057149A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57172202A (en
Inventor
Toshio Akatsu
Shunichi Akiba
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56057149A priority Critical patent/JPS57172202A/ja
Publication of JPS57172202A publication Critical patent/JPS57172202A/ja
Publication of JPH0152911B2 publication Critical patent/JPH0152911B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
JP56057149A 1981-04-17 1981-04-17 Displacement generator Granted JPS57172202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56057149A JPS57172202A (en) 1981-04-17 1981-04-17 Displacement generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56057149A JPS57172202A (en) 1981-04-17 1981-04-17 Displacement generator

Publications (2)

Publication Number Publication Date
JPS57172202A JPS57172202A (en) 1982-10-23
JPH0152911B2 true JPH0152911B2 (OSRAM) 1989-11-10

Family

ID=13047505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56057149A Granted JPS57172202A (en) 1981-04-17 1981-04-17 Displacement generator

Country Status (1)

Country Link
JP (1) JPS57172202A (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6263317A (ja) * 1986-09-16 1987-03-20 Hitachi Ltd 微小変位発生装置
JPS63140661U (OSRAM) * 1987-03-06 1988-09-16
JPS63283180A (ja) * 1987-05-15 1988-11-21 Yokogawa Electric Corp 変位センサを有する圧電アクチュエ−タ
JP2580418Y2 (ja) * 1992-11-25 1998-09-10 株式会社豊田中央研究所 変位測定装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5427116B2 (OSRAM) * 1973-01-31 1979-09-07
JPS5716395Y2 (OSRAM) * 1976-12-01 1982-04-06
JPS55120186A (en) * 1979-03-09 1980-09-16 Ngk Spark Plug Co Ltd Piezoelectric element displacement control system

Also Published As

Publication number Publication date
JPS57172202A (en) 1982-10-23

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