JPH0235519B2 - - Google Patents

Info

Publication number
JPH0235519B2
JPH0235519B2 JP57145932A JP14593282A JPH0235519B2 JP H0235519 B2 JPH0235519 B2 JP H0235519B2 JP 57145932 A JP57145932 A JP 57145932A JP 14593282 A JP14593282 A JP 14593282A JP H0235519 B2 JPH0235519 B2 JP H0235519B2
Authority
JP
Japan
Prior art keywords
diaphragm
diaphragms
materials
expanded graphite
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 - Lifetime
Application number
JP57145932A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5844892A (ja
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 JP14593282A priority Critical patent/JPS5844892A/ja
Publication of JPS5844892A publication Critical patent/JPS5844892A/ja
Publication of JPH0235519B2 publication Critical patent/JPH0235519B2/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)
JP14593282A 1982-08-23 1982-08-23 スピ−カ−用振動板 Granted JPS5844892A (ja)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Related Parent Applications (1)

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

Publications (2)

Publication Number Publication Date
JPS5844892A JPS5844892A (ja) 1983-03-15
JPH0235519B2 true JPH0235519B2 (enrdf_load_stackoverflow) 1990-08-10

Family

ID=15396405

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5844892A (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5265420A (en) * 1975-11-26 1977-05-30 Sony Corp Vibration board for speaker
JPS5753199A (en) * 1980-09-16 1982-03-30 Pioneer Electronic Corp Diaphragm for speaker
JPS6210075A (ja) * 1985-07-08 1987-01-19 Mitsubishi Chem Ind Ltd キノン系化合物
JPH0235519A (ja) * 1988-07-25 1990-02-06 Nec Corp システム構成変更処理方式

Also Published As

Publication number Publication date
JPS5844892A (ja) 1983-03-15

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