JPH0314397B2 - - Google Patents

Info

Publication number
JPH0314397B2
JPH0314397B2 JP271885A JP271885A JPH0314397B2 JP H0314397 B2 JPH0314397 B2 JP H0314397B2 JP 271885 A JP271885 A JP 271885A JP 271885 A JP271885 A JP 271885A JP H0314397 B2 JPH0314397 B2 JP H0314397B2
Authority
JP
Japan
Prior art keywords
diaphragm
diamond
film
cvd method
speaker
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
JP271885A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61161898A (ja
Inventor
Naoharu Fujimori
Akira Doi
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP271885A priority Critical patent/JPS61161898A/ja
Publication of JPS61161898A publication Critical patent/JPS61161898A/ja
Publication of JPH0314397B2 publication Critical patent/JPH0314397B2/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)
JP271885A 1985-01-10 1985-01-10 スピ−カ−振動板 Granted JPS61161898A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP271885A JPS61161898A (ja) 1985-01-10 1985-01-10 スピ−カ−振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP271885A JPS61161898A (ja) 1985-01-10 1985-01-10 スピ−カ−振動板

Publications (2)

Publication Number Publication Date
JPS61161898A JPS61161898A (ja) 1986-07-22
JPH0314397B2 true JPH0314397B2 (enExample) 1991-02-26

Family

ID=11537086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP271885A Granted JPS61161898A (ja) 1985-01-10 1985-01-10 スピ−カ−振動板

Country Status (1)

Country Link
JP (1) JPS61161898A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459425A1 (en) * 1990-05-30 1991-12-04 Idemitsu Petrochemical Company Limited Process for the preparation of diamond

Also Published As

Publication number Publication date
JPS61161898A (ja) 1986-07-22

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