JPS6130480B2 - - Google Patents

Info

Publication number
JPS6130480B2
JPS6130480B2 JP53026813A JP2681378A JPS6130480B2 JP S6130480 B2 JPS6130480 B2 JP S6130480B2 JP 53026813 A JP53026813 A JP 53026813A JP 2681378 A JP2681378 A JP 2681378A JP S6130480 B2 JPS6130480 B2 JP S6130480B2
Authority
JP
Japan
Prior art keywords
piezoelectric
thin film
present
thin
sounding body
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
JP53026813A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54119895A (en
Inventor
Akihiko Kawachi
Kuniharu Yamada
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.)
Suwa Seikosha KK
Original Assignee
Suwa Seikosha KK
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 Suwa Seikosha KK filed Critical Suwa Seikosha KK
Priority to JP2681378A priority Critical patent/JPS54119895A/ja
Publication of JPS54119895A publication Critical patent/JPS54119895A/ja
Publication of JPS6130480B2 publication Critical patent/JPS6130480B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP2681378A 1978-03-09 1978-03-09 Sound unit of piezoelectric thin type Granted JPS54119895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2681378A JPS54119895A (en) 1978-03-09 1978-03-09 Sound unit of piezoelectric thin type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2681378A JPS54119895A (en) 1978-03-09 1978-03-09 Sound unit of piezoelectric thin type

Publications (2)

Publication Number Publication Date
JPS54119895A JPS54119895A (en) 1979-09-18
JPS6130480B2 true JPS6130480B2 (https=) 1986-07-14

Family

ID=12203718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2681378A Granted JPS54119895A (en) 1978-03-09 1978-03-09 Sound unit of piezoelectric thin type

Country Status (1)

Country Link
JP (1) JPS54119895A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110331312B (zh) * 2019-08-16 2021-09-17 苏州金江铜业有限公司 光电倍增极用高铍铜连续镀膜轧制复合材料及其制备方法

Also Published As

Publication number Publication date
JPS54119895A (en) 1979-09-18

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