JPS5276915A - Diaphragm material for speakers - Google Patents

Diaphragm material for speakers

Info

Publication number
JPS5276915A
JPS5276915A JP50152796A JP15279675A JPS5276915A JP S5276915 A JPS5276915 A JP S5276915A JP 50152796 A JP50152796 A JP 50152796A JP 15279675 A JP15279675 A JP 15279675A JP S5276915 A JPS5276915 A JP S5276915A
Authority
JP
Japan
Prior art keywords
diaphragm material
speakers
forming
boron
layer
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
JP50152796A
Other languages
English (en)
Japanese (ja)
Other versions
JPS557758B2 (enExample
Inventor
Hideaki Inoue
Hiroshi Takeuchi
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 JP50152796A priority Critical patent/JPS5276915A/ja
Publication of JPS5276915A publication Critical patent/JPS5276915A/ja
Publication of JPS557758B2 publication Critical patent/JPS557758B2/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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP50152796A 1975-12-23 1975-12-23 Diaphragm material for speakers Granted JPS5276915A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50152796A JPS5276915A (en) 1975-12-23 1975-12-23 Diaphragm material for speakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50152796A JPS5276915A (en) 1975-12-23 1975-12-23 Diaphragm material for speakers

Publications (2)

Publication Number Publication Date
JPS5276915A true JPS5276915A (en) 1977-06-28
JPS557758B2 JPS557758B2 (enExample) 1980-02-28

Family

ID=15548325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50152796A Granted JPS5276915A (en) 1975-12-23 1975-12-23 Diaphragm material for speakers

Country Status (1)

Country Link
JP (1) JPS5276915A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5458020A (en) * 1977-10-17 1979-05-10 Matsushita Electric Ind Co Ltd Diaphragm for acoustic device and production thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5458020A (en) * 1977-10-17 1979-05-10 Matsushita Electric Ind Co Ltd Diaphragm for acoustic device and production thereof

Also Published As

Publication number Publication date
JPS557758B2 (enExample) 1980-02-28

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