JPS642320B2 - - Google Patents

Info

Publication number
JPS642320B2
JPS642320B2 JP18755781A JP18755781A JPS642320B2 JP S642320 B2 JPS642320 B2 JP S642320B2 JP 18755781 A JP18755781 A JP 18755781A JP 18755781 A JP18755781 A JP 18755781A JP S642320 B2 JPS642320 B2 JP S642320B2
Authority
JP
Japan
Prior art keywords
piezoelectric element
diaphragm
case
bonded piezoelectric
thin plate
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
JP18755781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5888999A (ja
Inventor
Ryoichi Takayama
Akira Tokushima
Nozomi Ueshiba
Yukihiko Ise
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP56187557A priority Critical patent/JPS5888999A/ja
Priority to US06/439,549 priority patent/US4607186A/en
Priority to DE8282110290T priority patent/DE3272470D1/de
Priority to EP82110290A priority patent/EP0080100B1/en
Priority to CA000415697A priority patent/CA1202112A/en
Publication of JPS5888999A publication Critical patent/JPS5888999A/ja
Publication of JPS642320B2 publication Critical patent/JPS642320B2/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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
JP56187557A 1981-11-17 1981-11-20 超音波送受波器 Granted JPS5888999A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP56187557A JPS5888999A (ja) 1981-11-20 1981-11-20 超音波送受波器
US06/439,549 US4607186A (en) 1981-11-17 1982-11-05 Ultrasonic transducer with a piezoelectric element
DE8282110290T DE3272470D1 (en) 1981-11-17 1982-11-08 Ultrasonic transducer
EP82110290A EP0080100B1 (en) 1981-11-17 1982-11-08 Ultrasonic transducer
CA000415697A CA1202112A (en) 1981-11-17 1982-11-16 Ultrasonic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56187557A JPS5888999A (ja) 1981-11-20 1981-11-20 超音波送受波器

Publications (2)

Publication Number Publication Date
JPS5888999A JPS5888999A (ja) 1983-05-27
JPS642320B2 true JPS642320B2 (ca) 1989-01-17

Family

ID=16208156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56187557A Granted JPS5888999A (ja) 1981-11-17 1981-11-20 超音波送受波器

Country Status (1)

Country Link
JP (1) JPS5888999A (ca)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60212097A (ja) * 1984-04-04 1985-10-24 West Electric Co Ltd 超音波送受波器
JPH069308U (ja) * 1992-07-08 1994-02-04 日東工業株式会社 電子機器キャビネット用空気調和装置

Also Published As

Publication number Publication date
JPS5888999A (ja) 1983-05-27

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