JPH0151239B2 - - Google Patents

Info

Publication number
JPH0151239B2
JPH0151239B2 JP10784181A JP10784181A JPH0151239B2 JP H0151239 B2 JPH0151239 B2 JP H0151239B2 JP 10784181 A JP10784181 A JP 10784181A JP 10784181 A JP10784181 A JP 10784181A JP H0151239 B2 JPH0151239 B2 JP H0151239B2
Authority
JP
Japan
Prior art keywords
polyurethane resin
resin film
diaphragm
base material
metal 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
JP10784181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS589500A (ja
Inventor
Akira Ikei
Motoharu Akahama
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 JP10784181A priority Critical patent/JPS589500A/ja
Publication of JPS589500A publication Critical patent/JPS589500A/ja
Publication of JPH0151239B2 publication Critical patent/JPH0151239B2/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)
JP10784181A 1981-07-09 1981-07-09 スピ−カ−用振動板の製造方法 Granted JPS589500A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10784181A JPS589500A (ja) 1981-07-09 1981-07-09 スピ−カ−用振動板の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10784181A JPS589500A (ja) 1981-07-09 1981-07-09 スピ−カ−用振動板の製造方法

Publications (2)

Publication Number Publication Date
JPS589500A JPS589500A (ja) 1983-01-19
JPH0151239B2 true JPH0151239B2 (enExample) 1989-11-02

Family

ID=14469404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10784181A Granted JPS589500A (ja) 1981-07-09 1981-07-09 スピ−カ−用振動板の製造方法

Country Status (1)

Country Link
JP (1) JPS589500A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4059265B2 (ja) 2005-06-08 2008-03-12 オンキヨー株式会社 スピーカー用部材およびその製造方法
JP6759415B1 (ja) * 2019-05-23 2020-09-23 大日精化工業株式会社 ポリウレタン樹脂及び物品

Also Published As

Publication number Publication date
JPS589500A (ja) 1983-01-19

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