JPS6231560B2 - - Google Patents

Info

Publication number
JPS6231560B2
JPS6231560B2 JP54031363A JP3136379A JPS6231560B2 JP S6231560 B2 JPS6231560 B2 JP S6231560B2 JP 54031363 A JP54031363 A JP 54031363A JP 3136379 A JP3136379 A JP 3136379A JP S6231560 B2 JPS6231560 B2 JP S6231560B2
Authority
JP
Japan
Prior art keywords
diaphragm
conversion element
aluminum
vibrating body
layer
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
JP54031363A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55123295A (en
Inventor
Yutaka Oosawa
Mikio Kihara
Toshiaki Betsumya
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.)
Sansha Electric Manufacturing Co Ltd
Original Assignee
Sansha Electric Manufacturing 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 Sansha Electric Manufacturing Co Ltd filed Critical Sansha Electric Manufacturing Co Ltd
Priority to JP3136379A priority Critical patent/JPS55123295A/ja
Publication of JPS55123295A publication Critical patent/JPS55123295A/ja
Publication of JPS6231560B2 publication Critical patent/JPS6231560B2/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP3136379A 1979-03-16 1979-03-16 Vibrator with diaphragm Granted JPS55123295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3136379A JPS55123295A (en) 1979-03-16 1979-03-16 Vibrator with diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3136379A JPS55123295A (en) 1979-03-16 1979-03-16 Vibrator with diaphragm

Publications (2)

Publication Number Publication Date
JPS55123295A JPS55123295A (en) 1980-09-22
JPS6231560B2 true JPS6231560B2 (enrdf_load_stackoverflow) 1987-07-09

Family

ID=12329152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3136379A Granted JPS55123295A (en) 1979-03-16 1979-03-16 Vibrator with diaphragm

Country Status (1)

Country Link
JP (1) JPS55123295A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0639624U (ja) * 1992-06-29 1994-05-27 株式会社東海理化電機製作所 静電気ショック防止器用アース電極

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5743430U (enrdf_load_stackoverflow) * 1980-08-22 1982-03-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0639624U (ja) * 1992-06-29 1994-05-27 株式会社東海理化電機製作所 静電気ショック防止器用アース電極

Also Published As

Publication number Publication date
JPS55123295A (en) 1980-09-22

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