JPS5650696A - Sound wave convergent transducer using high molecular piezoelectric substance - Google Patents

Sound wave convergent transducer using high molecular piezoelectric substance

Info

Publication number
JPS5650696A
JPS5650696A JP11665479A JP11665479A JPS5650696A JP S5650696 A JPS5650696 A JP S5650696A JP 11665479 A JP11665479 A JP 11665479A JP 11665479 A JP11665479 A JP 11665479A JP S5650696 A JPS5650696 A JP S5650696A
Authority
JP
Japan
Prior art keywords
high molecular
piezoelectric substance
convex
lambda
molecular piezoelectric
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.)
Granted
Application number
JP11665479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6366119B2 (enExample
Inventor
Miyo Suzuki
Toshiharu Nakanishi
Koji Daito
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP11665479A priority Critical patent/JPS5650696A/ja
Priority to US06/186,258 priority patent/US4395652A/en
Priority to EP80105448A priority patent/EP0027542B1/en
Priority to DE8080105448T priority patent/DE3068357D1/de
Publication of JPS5650696A publication Critical patent/JPS5650696A/ja
Publication of JPS6366119B2 publication Critical patent/JPS6366119B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
JP11665479A 1979-09-13 1979-09-13 Sound wave convergent transducer using high molecular piezoelectric substance Granted JPS5650696A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP11665479A JPS5650696A (en) 1979-09-13 1979-09-13 Sound wave convergent transducer using high molecular piezoelectric substance
US06/186,258 US4395652A (en) 1979-09-13 1980-09-11 Ultrasonic transducer element
EP80105448A EP0027542B1 (en) 1979-09-13 1980-09-12 Ultrasonic transducer element
DE8080105448T DE3068357D1 (en) 1979-09-13 1980-09-12 Ultrasonic transducer element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11665479A JPS5650696A (en) 1979-09-13 1979-09-13 Sound wave convergent transducer using high molecular piezoelectric substance

Publications (2)

Publication Number Publication Date
JPS5650696A true JPS5650696A (en) 1981-05-07
JPS6366119B2 JPS6366119B2 (enExample) 1988-12-19

Family

ID=14692575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11665479A Granted JPS5650696A (en) 1979-09-13 1979-09-13 Sound wave convergent transducer using high molecular piezoelectric substance

Country Status (1)

Country Link
JP (1) JPS5650696A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61251525A (ja) * 1985-04-20 1986-11-08 Teisan Kk ガラス容器のブロ−成形方法
DE4006718A1 (de) * 1989-03-07 1990-09-13 Mitsubishi Mining & Cement Co Piezoelektrischer wandler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61251525A (ja) * 1985-04-20 1986-11-08 Teisan Kk ガラス容器のブロ−成形方法
DE4006718A1 (de) * 1989-03-07 1990-09-13 Mitsubishi Mining & Cement Co Piezoelektrischer wandler

Also Published As

Publication number Publication date
JPS6366119B2 (enExample) 1988-12-19

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