JPS6239879B2 - - Google Patents

Info

Publication number
JPS6239879B2
JPS6239879B2 JP14739281A JP14739281A JPS6239879B2 JP S6239879 B2 JPS6239879 B2 JP S6239879B2 JP 14739281 A JP14739281 A JP 14739281A JP 14739281 A JP14739281 A JP 14739281A JP S6239879 B2 JPS6239879 B2 JP S6239879B2
Authority
JP
Japan
Prior art keywords
ceramic
mass
stiffness
piezoelectric material
rubber
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
JP14739281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5848599A (ja
Inventor
Haimi Takasaki
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP14739281A priority Critical patent/JPS5848599A/ja
Publication of JPS5848599A publication Critical patent/JPS5848599A/ja
Publication of JPS6239879B2 publication Critical patent/JPS6239879B2/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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP14739281A 1981-09-18 1981-09-18 送受波器 Granted JPS5848599A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14739281A JPS5848599A (ja) 1981-09-18 1981-09-18 送受波器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14739281A JPS5848599A (ja) 1981-09-18 1981-09-18 送受波器

Publications (2)

Publication Number Publication Date
JPS5848599A JPS5848599A (ja) 1983-03-22
JPS6239879B2 true JPS6239879B2 (en]) 1987-08-25

Family

ID=15429222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14739281A Granted JPS5848599A (ja) 1981-09-18 1981-09-18 送受波器

Country Status (1)

Country Link
JP (1) JPS5848599A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01120982U (en]) * 1988-02-12 1989-08-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01120982U (en]) * 1988-02-12 1989-08-16

Also Published As

Publication number Publication date
JPS5848599A (ja) 1983-03-22

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