JPH0434873B2 - - Google Patents

Info

Publication number
JPH0434873B2
JPH0434873B2 JP58035387A JP3538783A JPH0434873B2 JP H0434873 B2 JPH0434873 B2 JP H0434873B2 JP 58035387 A JP58035387 A JP 58035387A JP 3538783 A JP3538783 A JP 3538783A JP H0434873 B2 JPH0434873 B2 JP H0434873B2
Authority
JP
Japan
Prior art keywords
diamond
carbon film
acoustic
thin film
diaphragm
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
JP58035387A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59161200A (ja
Inventor
Tadao Tokushima
Hiromitsu Toda
Yoshifumi Suzuki
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.)
Yamaha Corp
Original Assignee
Yamaha 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 Yamaha Corp filed Critical Yamaha Corp
Priority to JP3538783A priority Critical patent/JPS59161200A/ja
Publication of JPS59161200A publication Critical patent/JPS59161200A/ja
Publication of JPH0434873B2 publication Critical patent/JPH0434873B2/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)
JP3538783A 1983-03-04 1983-03-04 音響振動板 Granted JPS59161200A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3538783A JPS59161200A (ja) 1983-03-04 1983-03-04 音響振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3538783A JPS59161200A (ja) 1983-03-04 1983-03-04 音響振動板

Publications (2)

Publication Number Publication Date
JPS59161200A JPS59161200A (ja) 1984-09-11
JPH0434873B2 true JPH0434873B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-06-09

Family

ID=12440491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3538783A Granted JPS59161200A (ja) 1983-03-04 1983-03-04 音響振動板

Country Status (1)

Country Link
JP (1) JPS59161200A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61244196A (ja) * 1985-04-22 1986-10-30 Kenwood Corp 音響用複合振動板
JPS61244195A (ja) * 1985-04-22 1986-10-30 Kenwood Corp 音響用振動板
JPS61244194A (ja) * 1985-04-22 1986-10-30 Kenwood Corp 音響用振動板
JPS6259499A (ja) * 1985-09-09 1987-03-16 Kenwood Corp 音響用振動板
JPS61206396U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1985-06-12 1986-12-26
JPS62245900A (ja) * 1986-04-18 1987-10-27 Onkyo Corp 電気音響変換器用振動板
JPH034697A (ja) * 1989-06-01 1991-01-10 Yamaha Corp スピーカ振動板

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821996B2 (ja) * 1977-04-18 1983-05-06 三菱マテリアル株式会社 音響変換器用複層振動板およびその製造法
JPS5533237A (en) * 1978-08-30 1980-03-08 Toshiba Corp Microprogram controller
JPS59143498A (ja) * 1983-02-03 1984-08-17 Sumitomo Electric Ind Ltd スピ−カ−用振動板およびその製造法

Also Published As

Publication number Publication date
JPS59161200A (ja) 1984-09-11

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