JPH023359B2 - - Google Patents

Info

Publication number
JPH023359B2
JPH023359B2 JP58021084A JP2108483A JPH023359B2 JP H023359 B2 JPH023359 B2 JP H023359B2 JP 58021084 A JP58021084 A JP 58021084A JP 2108483 A JP2108483 A JP 2108483A JP H023359 B2 JPH023359 B2 JP H023359B2
Authority
JP
Japan
Prior art keywords
diaphragm
polypropylene
surface layer
speaker
micropores
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 - Lifetime
Application number
JP58021084A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59147598A (ja
Inventor
Giichi Ishii
Michizo Saeki
Kazumi Komae
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.)
Onkyo Corp
Original Assignee
Onkyo Corp
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 Onkyo Corp filed Critical Onkyo Corp
Priority to JP2108483A priority Critical patent/JPS59147598A/ja
Publication of JPS59147598A publication Critical patent/JPS59147598A/ja
Publication of JPH023359B2 publication Critical patent/JPH023359B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP2108483A 1983-02-10 1983-02-10 スピ−カ−用振動板 Granted JPS59147598A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2108483A JPS59147598A (ja) 1983-02-10 1983-02-10 スピ−カ−用振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2108483A JPS59147598A (ja) 1983-02-10 1983-02-10 スピ−カ−用振動板

Publications (2)

Publication Number Publication Date
JPS59147598A JPS59147598A (ja) 1984-08-23
JPH023359B2 true JPH023359B2 (en, 2012) 1990-01-23

Family

ID=12045009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2108483A Granted JPS59147598A (ja) 1983-02-10 1983-02-10 スピ−カ−用振動板

Country Status (1)

Country Link
JP (1) JPS59147598A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006073604A1 (en) * 2004-11-22 2006-07-13 Harman International Industries, Incorporated Loudspeaker plastic cone body

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149199A (en) * 1980-04-22 1981-11-18 Pioneer Electronic Corp Forming method of diaphragm for speaker

Also Published As

Publication number Publication date
JPS59147598A (ja) 1984-08-23

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