JPS5546661A - Diaphragm for acoustic apparatus and its manufacture - Google Patents

Diaphragm for acoustic apparatus and its manufacture

Info

Publication number
JPS5546661A
JPS5546661A JP12028378A JP12028378A JPS5546661A JP S5546661 A JPS5546661 A JP S5546661A JP 12028378 A JP12028378 A JP 12028378A JP 12028378 A JP12028378 A JP 12028378A JP S5546661 A JPS5546661 A JP S5546661A
Authority
JP
Japan
Prior art keywords
diaphragm
graphite powder
kneaded
caking substance
manufacture
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
JP12028378A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5718397B2 (en]
Inventor
Nobuhiro Tsukagoshi
Shinichi Yokozeki
Toshikazu Yoshino
Yasuyuki Arai
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP12028378A priority Critical patent/JPS5546661A/ja
Priority to GB7932661A priority patent/GB2032222B/en
Priority to DE2938182A priority patent/DE2938182C2/de
Priority to US06/078,045 priority patent/US4352407A/en
Publication of JPS5546661A publication Critical patent/JPS5546661A/ja
Publication of JPS5718397B2 publication Critical patent/JPS5718397B2/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/268—Monolayer with structurally defined element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP12028378A 1978-09-29 1978-09-29 Diaphragm for acoustic apparatus and its manufacture Granted JPS5546661A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12028378A JPS5546661A (en) 1978-09-29 1978-09-29 Diaphragm for acoustic apparatus and its manufacture
GB7932661A GB2032222B (en) 1978-09-29 1979-09-20 Diaphragm for use in an acoustic instrument and a method of producing the same
DE2938182A DE2938182C2 (de) 1978-09-29 1979-09-21 Verfahren zur Herstellung einer akustischen Membran
US06/078,045 US4352407A (en) 1978-09-29 1979-09-24 Diaphragms for acoustic instruments and method of producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12028378A JPS5546661A (en) 1978-09-29 1978-09-29 Diaphragm for acoustic apparatus and its manufacture

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP6395679A Division JPS5548226A (en) 1979-05-25 1979-05-25 Compound and its preparation

Publications (2)

Publication Number Publication Date
JPS5546661A true JPS5546661A (en) 1980-04-01
JPS5718397B2 JPS5718397B2 (en]) 1982-04-16

Family

ID=14782398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12028378A Granted JPS5546661A (en) 1978-09-29 1978-09-29 Diaphragm for acoustic apparatus and its manufacture

Country Status (4)

Country Link
US (1) US4352407A (en])
JP (1) JPS5546661A (en])
DE (1) DE2938182C2 (en])
GB (1) GB2032222B (en])

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169992A (en) * 1980-06-03 1981-12-26 Onkyo Corp Diaphragm for electroacoustic converter
WO1982000744A1 (en) * 1980-08-14 1982-03-04 P Sylvestre Improvements in electroacoustic transducer diaphragms
JPS60121895A (ja) * 1983-12-05 1985-06-29 Mitsubishi Pencil Co Ltd 全炭素質音響機器用振動板の製造法
JPS61236298A (ja) * 1985-04-12 1986-10-21 Mitsubishi Pencil Co Ltd 全炭素質音響機器用振動板の製造法
US5073420A (en) * 1988-10-17 1991-12-17 Nippon Petrochemicals Company, Limited Multi-layered blow-molded bottle
US5238718A (en) * 1988-10-17 1993-08-24 Nippon Petrochemicals Company, Limited Multi-layered blow-molded bottle

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4487877A (en) * 1981-12-07 1984-12-11 Matsushita Electric Industrial Co., Ltd. Diaphragm for loudspeaker
JPH023296U (en]) * 1988-06-20 1990-01-10
JPH02243097A (ja) * 1989-01-20 1990-09-27 Mitsubishi Pencil Co Ltd 全炭素質音響機器用振動板の製造法
FR2656972B1 (fr) * 1990-01-11 1992-05-15 Mitsubishi Pencil Co Procede de preparation d'un diaphragme entierement carbone pour equipement acoustique.
FR2665321A1 (fr) * 1990-07-23 1992-01-31 Fontaine Pierre Procede de fabrication de membranes pour applications electro-mecaniques, notamment pour tranducteurs electro-mecaniques et produit en resultant.
JP2001036988A (ja) * 1999-07-21 2001-02-09 Mitsubishi Electric Corp スピーカ装置
JP2001189990A (ja) * 1999-12-28 2001-07-10 Jsp Corp スピーカー振動板用素材及びスピーカー振動板
USD882893S1 (en) 2018-02-09 2020-04-28 Tti (Macao Commercial Offshore) Limited Floor cleaner
WO2020046824A1 (en) 2018-08-27 2020-03-05 Tti (Macao Commercial Offshore) Limited Floor cleaner
USD877430S1 (en) 2018-12-13 2020-03-03 Tti (Macao Commercial Offshore) Limited Floor cleaner
USD962568S1 (en) 2019-09-16 2022-08-30 Techtronic Floor Care Technology Limited Floor cleaner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2308305A (en) * 1938-11-30 1943-01-12 Acheson Colloids Corp Laminated structure and method of making the same
GB991581A (en) * 1962-03-21 1965-05-12 High Temperature Materials Inc Expanded pyrolytic graphite and process for producing the same
US3416992A (en) * 1965-06-28 1968-12-17 Dow Chemical Co Molded plastic article
JPS522723A (en) * 1975-06-24 1977-01-10 Hitachi Ltd Oscillation plate for speaker
JPS5487209A (en) * 1977-12-23 1979-07-11 Pioneer Electronic Corp Method of fabricating acoustic device vibrating plate

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169992A (en) * 1980-06-03 1981-12-26 Onkyo Corp Diaphragm for electroacoustic converter
WO1982000744A1 (en) * 1980-08-14 1982-03-04 P Sylvestre Improvements in electroacoustic transducer diaphragms
JPS60121895A (ja) * 1983-12-05 1985-06-29 Mitsubishi Pencil Co Ltd 全炭素質音響機器用振動板の製造法
JPS61236298A (ja) * 1985-04-12 1986-10-21 Mitsubishi Pencil Co Ltd 全炭素質音響機器用振動板の製造法
US5073420A (en) * 1988-10-17 1991-12-17 Nippon Petrochemicals Company, Limited Multi-layered blow-molded bottle
US5238718A (en) * 1988-10-17 1993-08-24 Nippon Petrochemicals Company, Limited Multi-layered blow-molded bottle

Also Published As

Publication number Publication date
GB2032222A (en) 1980-04-30
US4352407A (en) 1982-10-05
DE2938182C2 (de) 1985-09-12
DE2938182A1 (de) 1980-04-17
GB2032222B (en) 1983-06-15
JPS5718397B2 (en]) 1982-04-16

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