JPH0435959B2 - - Google Patents

Info

Publication number
JPH0435959B2
JPH0435959B2 JP12638682A JP12638682A JPH0435959B2 JP H0435959 B2 JPH0435959 B2 JP H0435959B2 JP 12638682 A JP12638682 A JP 12638682A JP 12638682 A JP12638682 A JP 12638682A JP H0435959 B2 JPH0435959 B2 JP H0435959B2
Authority
JP
Japan
Prior art keywords
diaphragm
honeycomb
foam
surface material
glass foam
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
JP12638682A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5916494A (ja
Inventor
Yoshiaki Maruno
Yoshihiro Mori
Hiroshi Takeuchi
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 JP57126386A priority Critical patent/JPS5916494A/ja
Publication of JPS5916494A publication Critical patent/JPS5916494A/ja
Publication of JPH0435959B2 publication Critical patent/JPH0435959B2/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP57126386A 1982-07-19 1982-07-19 スピ−カ用振動板 Granted JPS5916494A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57126386A JPS5916494A (ja) 1982-07-19 1982-07-19 スピ−カ用振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57126386A JPS5916494A (ja) 1982-07-19 1982-07-19 スピ−カ用振動板

Publications (2)

Publication Number Publication Date
JPS5916494A JPS5916494A (ja) 1984-01-27
JPH0435959B2 true JPH0435959B2 (enFirst) 1992-06-12

Family

ID=14933855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57126386A Granted JPS5916494A (ja) 1982-07-19 1982-07-19 スピ−カ用振動板

Country Status (1)

Country Link
JP (1) JPS5916494A (enFirst)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1841280A1 (en) * 2006-03-29 2007-10-03 THOMSON Licensing Loudspeaker diaphragm

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5437722A (en) * 1977-08-30 1979-03-20 Matsushita Electric Ind Co Ltd Diaphragm for speakers
JPS54105525A (en) * 1978-02-06 1979-08-18 Matsushita Electric Ind Co Ltd Diaphragm for speakers
JPS54134619A (en) * 1978-04-12 1979-10-19 Hitachi Ltd Compound type diaphragm

Also Published As

Publication number Publication date
JPS5916494A (ja) 1984-01-27

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