JPS6436091A - Piezoelectric actuator and method of driving same - Google Patents

Piezoelectric actuator and method of driving same

Info

Publication number
JPS6436091A
JPS6436091A JP62190174A JP19017487A JPS6436091A JP S6436091 A JPS6436091 A JP S6436091A JP 62190174 A JP62190174 A JP 62190174A JP 19017487 A JP19017487 A JP 19017487A JP S6436091 A JPS6436091 A JP S6436091A
Authority
JP
Japan
Prior art keywords
end section
piezoelectric actuator
electric resistance
electrode plates
notches
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.)
Pending
Application number
JP62190174A
Other languages
Japanese (ja)
Inventor
Takashi Kuno
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.)
Tokyo Sokuhan Co Ltd
Original Assignee
Tokyo Sokuhan 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 Tokyo Sokuhan Co Ltd filed Critical Tokyo Sokuhan Co Ltd
Priority to JP62190174A priority Critical patent/JPS6436091A/en
Publication of JPS6436091A publication Critical patent/JPS6436091A/en
Pending legal-status Critical Current

Links

Landscapes

  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

PURPOSE:To give a function as a strain gage jointly in addition to a function as a piezoelectric actuator by extracting a signal by utilizing a phenomenon in which the electric resistance value of an electrode plate formed in folding structure is changed by bending stress. CONSTITUTION:Both electrode plates 4, 5 are shaped in folding structure. That is, a large number of pectinate notches 10 are formed zigzag to these electrode plates 4, 5, and an effective electric wire is lengthened and an electric resistance value is increased by the notches 10, thus using these two electrodes plates 4, 5 of the surface and the rear as a strain gage as they are. When one end section (a left end section in the figure) of a piezoelectric actuator is fixed and the other end section (a right end section in the figure) is given desired displacement, a movable end (the right end in the figure) follows signal voltage and is displaced because one of substrates 2, 3 is elongated and the other is shrunk by an inverse piezoelectric phenomenon when signal voltage is applied between terminals T, U. Since the electric resistance values of the electrode plates 4, 5 change owing to the bending stress of the substrates 2, 3 at that time, the change is measured electrically and the quantity of strain can be measured.
JP62190174A 1987-07-31 1987-07-31 Piezoelectric actuator and method of driving same Pending JPS6436091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62190174A JPS6436091A (en) 1987-07-31 1987-07-31 Piezoelectric actuator and method of driving same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62190174A JPS6436091A (en) 1987-07-31 1987-07-31 Piezoelectric actuator and method of driving same

Publications (1)

Publication Number Publication Date
JPS6436091A true JPS6436091A (en) 1989-02-07

Family

ID=16253671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62190174A Pending JPS6436091A (en) 1987-07-31 1987-07-31 Piezoelectric actuator and method of driving same

Country Status (1)

Country Link
JP (1) JPS6436091A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06188471A (en) * 1992-12-22 1994-07-08 Nec Corp Voltage actuator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06188471A (en) * 1992-12-22 1994-07-08 Nec Corp Voltage actuator

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