JPS5396822A - Production of diaphragme for speaker - Google Patents

Production of diaphragme for speaker

Info

Publication number
JPS5396822A
JPS5396822A JP1191477A JP1191477A JPS5396822A JP S5396822 A JPS5396822 A JP S5396822A JP 1191477 A JP1191477 A JP 1191477A JP 1191477 A JP1191477 A JP 1191477A JP S5396822 A JPS5396822 A JP S5396822A
Authority
JP
Japan
Prior art keywords
diaphragme
speaker
production
fibers
diaphragm
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
JP1191477A
Other languages
Japanese (ja)
Inventor
Yasushi Miyoshi
Yasuhiro Ishii
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP1191477A priority Critical patent/JPS5396822A/en
Publication of JPS5396822A publication Critical patent/JPS5396822A/en
Priority to US06/190,416 priority patent/US4308094A/en
Priority to US06/275,813 priority patent/US4428996A/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
    • D21J3/12—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds of sheets; of diaphragms
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

PURPOSE:To readily and effectively increase the degree of binding between the fibers constituting a diaphragm and achieve the higher elasticity of the diaphragm containing carbon fibers by blending polyvinyl alcohol fibers and melting these at the forming by heating.
JP1191477A 1977-02-02 1977-02-02 Production of diaphragme for speaker Pending JPS5396822A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1191477A JPS5396822A (en) 1977-02-02 1977-02-02 Production of diaphragme for speaker
US06/190,416 US4308094A (en) 1977-02-02 1980-09-24 Diaphragm for speaker and method of producing same
US06/275,813 US4428996A (en) 1977-02-02 1981-06-24 Diaphragm for speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1191477A JPS5396822A (en) 1977-02-02 1977-02-02 Production of diaphragme for speaker

Publications (1)

Publication Number Publication Date
JPS5396822A true JPS5396822A (en) 1978-08-24

Family

ID=11790965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1191477A Pending JPS5396822A (en) 1977-02-02 1977-02-02 Production of diaphragme for speaker

Country Status (1)

Country Link
JP (1) JPS5396822A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01144893A (en) * 1987-12-01 1989-06-07 Kenwood Corp Diaphragm for speaker
WO2013137362A1 (en) * 2012-03-14 2013-09-19 パイオニア株式会社 Speaker vibrating plate and method for producing speaker vibrating plate
WO2014141389A1 (en) * 2013-03-12 2014-09-18 パイオニア株式会社 Speaker diaphragm and speaker device
WO2014141390A1 (en) * 2013-03-12 2014-09-18 パイオニア株式会社 Speaker diaphragm, and speaker device
JP2015111920A (en) * 2012-03-14 2015-06-18 パイオニア株式会社 Speaker diaphragm

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51126822A (en) * 1975-04-25 1976-11-05 Mitsubishi Rayon Co Ltd Fiber-reinforced resin casting for vibration plate of speaker

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51126822A (en) * 1975-04-25 1976-11-05 Mitsubishi Rayon Co Ltd Fiber-reinforced resin casting for vibration plate of speaker

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01144893A (en) * 1987-12-01 1989-06-07 Kenwood Corp Diaphragm for speaker
WO2013137362A1 (en) * 2012-03-14 2013-09-19 パイオニア株式会社 Speaker vibrating plate and method for producing speaker vibrating plate
JP2015111920A (en) * 2012-03-14 2015-06-18 パイオニア株式会社 Speaker diaphragm
US9521490B2 (en) 2012-03-14 2016-12-13 Pioneer Corporation Speaker diaphragm and production method for speaker diaphragm
WO2014141389A1 (en) * 2013-03-12 2014-09-18 パイオニア株式会社 Speaker diaphragm and speaker device
WO2014141390A1 (en) * 2013-03-12 2014-09-18 パイオニア株式会社 Speaker diaphragm, and speaker device

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