JPH0470840B2 - - Google Patents

Info

Publication number
JPH0470840B2
JPH0470840B2 JP57042051A JP4205182A JPH0470840B2 JP H0470840 B2 JPH0470840 B2 JP H0470840B2 JP 57042051 A JP57042051 A JP 57042051A JP 4205182 A JP4205182 A JP 4205182A JP H0470840 B2 JPH0470840 B2 JP H0470840B2
Authority
JP
Japan
Prior art keywords
substrate
boron
film
diaphragm
skin material
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
JP57042051A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58159096A (ja
Inventor
Hiroshi Takeuchi
Yoshiaki Maruno
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 JP4205182A priority Critical patent/JPS58159096A/ja
Publication of JPS58159096A publication Critical patent/JPS58159096A/ja
Publication of JPH0470840B2 publication Critical patent/JPH0470840B2/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)
JP4205182A 1982-03-16 1982-03-16 スピ−カ用振動板の製造方法 Granted JPS58159096A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4205182A JPS58159096A (ja) 1982-03-16 1982-03-16 スピ−カ用振動板の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4205182A JPS58159096A (ja) 1982-03-16 1982-03-16 スピ−カ用振動板の製造方法

Publications (2)

Publication Number Publication Date
JPS58159096A JPS58159096A (ja) 1983-09-21
JPH0470840B2 true JPH0470840B2 (enrdf_load_stackoverflow) 1992-11-12

Family

ID=12625311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4205182A Granted JPS58159096A (ja) 1982-03-16 1982-03-16 スピ−カ用振動板の製造方法

Country Status (1)

Country Link
JP (1) JPS58159096A (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5491237A (en) * 1977-12-28 1979-07-19 Nippon Telegr & Teleph Corp <Ntt> Toner image transfer type two color electrostatic recorder
JPS5656095A (en) * 1979-10-12 1981-05-16 Hitachi Ltd Plane loudspeaker
JPS5831799B2 (ja) * 1980-07-09 1983-07-08 パイオニア株式会社 スピ−カ用振動板の製造方法

Also Published As

Publication number Publication date
JPS58159096A (ja) 1983-09-21

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