JPS5975797A - スピ−カ用振動板 - Google Patents

スピ−カ用振動板

Info

Publication number
JPS5975797A
JPS5975797A JP57186401A JP18640182A JPS5975797A JP S5975797 A JPS5975797 A JP S5975797A JP 57186401 A JP57186401 A JP 57186401A JP 18640182 A JP18640182 A JP 18640182A JP S5975797 A JPS5975797 A JP S5975797A
Authority
JP
Japan
Prior art keywords
polyether
forming
diaphragm
carbon
film
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.)
Granted
Application number
JP57186401A
Other languages
English (en)
Japanese (ja)
Other versions
JPH045317B2 (2
Inventor
Koji Takeda
孝司 武田
Toru Yamamoto
徹 山本
Teruo Kobayashi
小林　照生
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 JP57186401A priority Critical patent/JPS5975797A/ja
Publication of JPS5975797A publication Critical patent/JPS5975797A/ja
Publication of JPH045317B2 publication Critical patent/JPH045317B2/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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyethers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP57186401A 1982-10-22 1982-10-22 スピ−カ用振動板 Granted JPS5975797A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57186401A JPS5975797A (ja) 1982-10-22 1982-10-22 スピ−カ用振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57186401A JPS5975797A (ja) 1982-10-22 1982-10-22 スピ−カ用振動板

Publications (2)

Publication Number Publication Date
JPS5975797A true JPS5975797A (ja) 1984-04-28
JPH045317B2 JPH045317B2 (2) 1992-01-31

Family

ID=16187757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57186401A Granted JPS5975797A (ja) 1982-10-22 1982-10-22 スピ−カ用振動板

Country Status (1)

Country Link
JP (1) JPS5975797A (2)

Also Published As

Publication number Publication date
JPH045317B2 (2) 1992-01-31

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