JPS553240A - Diaphragm of speaker and its manufacture - Google Patents

Diaphragm of speaker and its manufacture

Info

Publication number
JPS553240A
JPS553240A JP7565178A JP7565178A JPS553240A JP S553240 A JPS553240 A JP S553240A JP 7565178 A JP7565178 A JP 7565178A JP 7565178 A JP7565178 A JP 7565178A JP S553240 A JPS553240 A JP S553240A
Authority
JP
Japan
Prior art keywords
carbon fiber
diaphragm
carbon
tensile force
acrylic fibers
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.)
Pending
Application number
JP7565178A
Other languages
English (en)
Inventor
Takeshi Isogai
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.)
Toa Corp
Toa Tokushu Denki KK
Original Assignee
Toa Electric Co Ltd
Toa Tokushu Denki KK
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 Toa Electric Co Ltd, Toa Tokushu Denki KK filed Critical Toa Electric Co Ltd
Priority to JP7565178A priority Critical patent/JPS553240A/ja
Publication of JPS553240A publication Critical patent/JPS553240A/ja
Pending 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)
JP7565178A 1978-06-21 1978-06-21 Diaphragm of speaker and its manufacture Pending JPS553240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7565178A JPS553240A (en) 1978-06-21 1978-06-21 Diaphragm of speaker and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7565178A JPS553240A (en) 1978-06-21 1978-06-21 Diaphragm of speaker and its manufacture

Publications (1)

Publication Number Publication Date
JPS553240A true JPS553240A (en) 1980-01-11

Family

ID=13582355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7565178A Pending JPS553240A (en) 1978-06-21 1978-06-21 Diaphragm of speaker and its manufacture

Country Status (1)

Country Link
JP (1) JPS553240A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460060A (en) * 1980-03-07 1984-07-17 Toray Industries, Inc. Vibratory diaphragm for loudspeaker
JPH01240496A (ja) * 1988-03-09 1989-09-26 Tokyo Tatsuno Co Ltd 給油装置
US5701359A (en) * 1995-04-06 1997-12-23 Precision Power Flat-panel speaker
US6097829A (en) * 1995-04-06 2000-08-01 Precision Power, Inc. Fiber-honeycomb-fiber sandwich speaker diaphragm and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460060A (en) * 1980-03-07 1984-07-17 Toray Industries, Inc. Vibratory diaphragm for loudspeaker
JPH01240496A (ja) * 1988-03-09 1989-09-26 Tokyo Tatsuno Co Ltd 給油装置
US5701359A (en) * 1995-04-06 1997-12-23 Precision Power Flat-panel speaker
US6097829A (en) * 1995-04-06 2000-08-01 Precision Power, Inc. Fiber-honeycomb-fiber sandwich speaker diaphragm and method

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