JPS6120199B2 - - Google Patents

Info

Publication number
JPS6120199B2
JPS6120199B2 JP5874081A JP5874081A JPS6120199B2 JP S6120199 B2 JPS6120199 B2 JP S6120199B2 JP 5874081 A JP5874081 A JP 5874081A JP 5874081 A JP5874081 A JP 5874081A JP S6120199 B2 JPS6120199 B2 JP S6120199B2
Authority
JP
Japan
Prior art keywords
thickness
impedance
side plate
sealed
case
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
JP5874081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57173299A (en
Inventor
Haruo Yamamori
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug 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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority to JP5874081A priority Critical patent/JPS57173299A/ja
Publication of JPS57173299A publication Critical patent/JPS57173299A/ja
Publication of JPS6120199B2 publication Critical patent/JPS6120199B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/067—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface which is used as, or combined with, an impedance matching layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP5874081A 1981-04-18 1981-04-18 Sealed type ultrasonic wave transmitter and receiver Granted JPS57173299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5874081A JPS57173299A (en) 1981-04-18 1981-04-18 Sealed type ultrasonic wave transmitter and receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5874081A JPS57173299A (en) 1981-04-18 1981-04-18 Sealed type ultrasonic wave transmitter and receiver

Publications (2)

Publication Number Publication Date
JPS57173299A JPS57173299A (en) 1982-10-25
JPS6120199B2 true JPS6120199B2 (zh) 1986-05-21

Family

ID=13092911

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5874081A Granted JPS57173299A (en) 1981-04-18 1981-04-18 Sealed type ultrasonic wave transmitter and receiver

Country Status (1)

Country Link
JP (1) JPS57173299A (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60185182A (ja) * 1984-03-05 1985-09-20 Hitachi Ltd 超音波レ−ダ−
US4964302A (en) * 1984-09-25 1990-10-23 Grahn Allen R Tactile sensor
US5295120A (en) * 1990-12-26 1994-03-15 Westinghouse Electric Corp. Hermetically sealed ultrasonic transducer system
US6268683B1 (en) * 1999-02-26 2001-07-31 M&Fc Holding Company Transducer configurations and related method

Also Published As

Publication number Publication date
JPS57173299A (en) 1982-10-25

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