JPS6210075B2 - - Google Patents

Info

Publication number
JPS6210075B2
JPS6210075B2 JP14171875A JP14171875A JPS6210075B2 JP S6210075 B2 JPS6210075 B2 JP S6210075B2 JP 14171875 A JP14171875 A JP 14171875A JP 14171875 A JP14171875 A JP 14171875A JP S6210075 B2 JPS6210075 B2 JP S6210075B2
Authority
JP
Japan
Prior art keywords
diaphragm
materials
expanded graphite
binder
density
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
JP14171875A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5265420A (en
Inventor
Masakata Ugaji
Hiroshi Koizumi
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP14171875A priority Critical patent/JPS5265420A/ja
Publication of JPS5265420A publication Critical patent/JPS5265420A/ja
Publication of JPS6210075B2 publication Critical patent/JPS6210075B2/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)
JP14171875A 1975-11-26 1975-11-26 Vibration board for speaker Granted JPS5265420A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14171875A JPS5265420A (en) 1975-11-26 1975-11-26 Vibration board for speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14171875A JPS5265420A (en) 1975-11-26 1975-11-26 Vibration board for speaker

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP14593282A Division JPS5844892A (ja) 1982-08-23 1982-08-23 スピ−カ−用振動板

Publications (2)

Publication Number Publication Date
JPS5265420A JPS5265420A (en) 1977-05-30
JPS6210075B2 true JPS6210075B2 (OSRAM) 1987-03-04

Family

ID=15298573

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14171875A Granted JPS5265420A (en) 1975-11-26 1975-11-26 Vibration board for speaker

Country Status (1)

Country Link
JP (1) JPS5265420A (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545205A (en) * 1978-09-26 1980-03-29 Pioneer Electronic Corp Center cap for conical carbon diaphragm
JPS5844892A (ja) * 1982-08-23 1983-03-15 Sony Corp スピ−カ−用振動板
JPS6016099A (ja) * 1983-07-07 1985-01-26 Foster Denki Kk スピ−カ用振動板
JPS6021698A (ja) * 1983-07-16 1985-02-04 Victor Co Of Japan Ltd 音響振動板
JPS61142899A (ja) * 1985-11-15 1986-06-30 Pioneer Electronic Corp 音響振動板

Also Published As

Publication number Publication date
JPS5265420A (en) 1977-05-30

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