JPS52122121A - Production of electro-acoustic transducer - Google Patents

Production of electro-acoustic transducer

Info

Publication number
JPS52122121A
JPS52122121A JP3953776A JP3953776A JPS52122121A JP S52122121 A JPS52122121 A JP S52122121A JP 3953776 A JP3953776 A JP 3953776A JP 3953776 A JP3953776 A JP 3953776A JP S52122121 A JPS52122121 A JP S52122121A
Authority
JP
Japan
Prior art keywords
electro
production
acoustic transducer
diaphragms
transducers
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.)
Pending
Application number
JP3953776A
Other languages
Japanese (ja)
Inventor
Hiroyuki Naono
Satoru Ibaraki
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 JP3953776A priority Critical patent/JPS52122121A/en
Publication of JPS52122121A publication Critical patent/JPS52122121A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

PURPOSE:To improve the reliability of transducers by removing the evaporated film at the edge part of diaphragms by discharge.
JP3953776A 1976-04-07 1976-04-07 Production of electro-acoustic transducer Pending JPS52122121A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3953776A JPS52122121A (en) 1976-04-07 1976-04-07 Production of electro-acoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3953776A JPS52122121A (en) 1976-04-07 1976-04-07 Production of electro-acoustic transducer

Publications (1)

Publication Number Publication Date
JPS52122121A true JPS52122121A (en) 1977-10-14

Family

ID=12555790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3953776A Pending JPS52122121A (en) 1976-04-07 1976-04-07 Production of electro-acoustic transducer

Country Status (1)

Country Link
JP (1) JPS52122121A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5767498U (en) * 1980-10-13 1982-04-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5767498U (en) * 1980-10-13 1982-04-22

Similar Documents

Publication Publication Date Title
IT1085790B (en) DIAPHRAGM FOR ELECTROACOUSTIC TRANSDUCERS
JPS5388718A (en) Sealed head phone
JPS5333613A (en) Microphone and its manufacture
JPS5343515A (en) Diaphragm for speaker
JPS52122121A (en) Production of electro-acoustic transducer
FR2301987A1 (en) DIAPHRAGM ELECTRO-ACOUSTIC TRANSDUCER
JPS54670A (en) Alarm wrista watch
JPS5251929A (en) Diaphragm for speakers
JPS523424A (en) Non-combustible speaker vibration plate
JPS5238259A (en) Alarm sound producing device
JPS5337465A (en) Wristwatch with alarm device
JPS51122427A (en) Electric acoustic transducer
JPS53111716A (en) Microphone of piezoelectric type
JPS52120820A (en) Electroacoustic transducer
JPS5443015A (en) Production of diaphragm for dynamic electro-acoustic transducers
JPS539517A (en) Electrostatic type transducer
JPS52154623A (en) Sound diaphragm
JPS51127692A (en) Elastic surgace wave device
JPS53103393A (en) Production of vibrator unit
JPS5238213A (en) Stereo microphone
JPS51128581A (en) Diaphragm type pressure element
JPS52113721A (en) Ribbon type electro-acoustic tranducer
JPS535588A (en) Manufacture of piezoelectric oscillator
JPS52113717A (en) Electro-acoustic transducer
CA975461A (en) Electroacoustic transducer having an inverted diaphragm