JPH0119316B2 - - Google Patents

Info

Publication number
JPH0119316B2
JPH0119316B2 JP56089074A JP8907481A JPH0119316B2 JP H0119316 B2 JPH0119316 B2 JP H0119316B2 JP 56089074 A JP56089074 A JP 56089074A JP 8907481 A JP8907481 A JP 8907481A JP H0119316 B2 JPH0119316 B2 JP H0119316B2
Authority
JP
Japan
Prior art keywords
diaphragm
core material
speaker
core
thickness
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
JP56089074A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57203397A (en
Inventor
Satoshi Takayama
Kosaku Murata
Teruo Kobayashi
Kazumasa Yamamoto
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 JP8907481A priority Critical patent/JPS57203397A/ja
Publication of JPS57203397A publication Critical patent/JPS57203397A/ja
Publication of JPH0119316B2 publication Critical patent/JPH0119316B2/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)
  • Diaphragms For Electromechanical Transducers (AREA)
JP8907481A 1981-06-10 1981-06-10 Speaker diaphragm Granted JPS57203397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8907481A JPS57203397A (en) 1981-06-10 1981-06-10 Speaker diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8907481A JPS57203397A (en) 1981-06-10 1981-06-10 Speaker diaphragm

Publications (2)

Publication Number Publication Date
JPS57203397A JPS57203397A (en) 1982-12-13
JPH0119316B2 true JPH0119316B2 (en]) 1989-04-11

Family

ID=13960703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8907481A Granted JPS57203397A (en) 1981-06-10 1981-06-10 Speaker diaphragm

Country Status (1)

Country Link
JP (1) JPS57203397A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0633511U (ja) * 1991-03-18 1994-05-06 株式会社ムラオ 装身具用連結具

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1940199A4 (en) * 2005-09-20 2011-05-18 Beam Tech Corp SPEAKER, MEMBRANE FOR SPEAKER AND SUSPENSION
DE102015113259B4 (de) * 2015-08-12 2017-05-18 Elac Electroacustic Gmbh Lautsprecher mit gleichmäßiger Modenverteilung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587753Y2 (ja) * 1978-02-03 1983-02-10 松下電器産業株式会社 スピ−カ用振動板
JPS6230388Y2 (en]) * 1979-02-02 1987-08-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0633511U (ja) * 1991-03-18 1994-05-06 株式会社ムラオ 装身具用連結具

Also Published As

Publication number Publication date
JPS57203397A (en) 1982-12-13

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