JPS5060216A - - Google Patents

Info

Publication number
JPS5060216A
JPS5060216A JP49108668A JP10866874A JPS5060216A JP S5060216 A JPS5060216 A JP S5060216A JP 49108668 A JP49108668 A JP 49108668A JP 10866874 A JP10866874 A JP 10866874A JP S5060216 A JPS5060216 A JP S5060216A
Authority
JP
Japan
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
JP49108668A
Other languages
Japanese (ja)
Other versions
JPS557755B2 (en
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 filed Critical
Publication of JPS5060216A publication Critical patent/JPS5060216A/ja
Publication of JPS557755B2 publication Critical patent/JPS557755B2/ja
Expired 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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP10866874A 1973-09-21 1974-09-20 Expired JPS557755B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US399319A US3930130A (en) 1973-09-21 1973-09-21 Carbon fiber strengthened speaker cone

Publications (2)

Publication Number Publication Date
JPS5060216A true JPS5060216A (en) 1975-05-24
JPS557755B2 JPS557755B2 (en) 1980-02-28

Family

ID=23579084

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10866874A Expired JPS557755B2 (en) 1973-09-21 1974-09-20

Country Status (4)

Country Link
US (1) US3930130A (en)
JP (1) JPS557755B2 (en)
CA (1) CA1009156A (en)
GB (1) GB1487942A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS528817A (en) * 1975-07-10 1977-01-24 Matsushita Electric Ind Co Ltd Speaker
JPS5289912A (en) * 1976-01-22 1977-07-28 Toho Beslon Co Speaker cone
JPS5345230A (en) * 1976-10-04 1978-04-22 Sanyo Electric Co Ltd Vibrating plate for speaker
WO1983000791A1 (en) * 1981-08-27 1983-03-03 Hasumi, Shigeru Vibrating plate for speaker

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5427250B2 (en) * 1974-12-17 1979-09-08
GB1563511A (en) * 1976-03-19 1980-03-26 Harwood H Diaphragms for electroacoustic transducers
US4308094A (en) * 1977-02-02 1981-12-29 Sanyo Electric Co., Ltd. Diaphragm for speaker and method of producing same
US4112168A (en) * 1977-03-23 1978-09-05 Motorola, Inc. High stiffness speaker cone
DE2941644C2 (en) * 1978-10-17 1982-11-11 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Loudspeaker cone and process for their manufacture
US4460060A (en) * 1980-03-07 1984-07-17 Toray Industries, Inc. Vibratory diaphragm for loudspeaker
US4410768A (en) * 1980-07-23 1983-10-18 Nippon Gakki Seizo Kabushiki Kaisha Electro-acoustic transducer
JPS57199397A (en) * 1981-06-01 1982-12-07 Pioneer Electronic Corp Diaphragm with flame resistance
NL8301653A (en) * 1983-05-10 1984-12-03 Philips Nv ELECTRO-ACOUSTIC CONVERTER WITH AN AIR-PERMISSIBLE MEMBRANE.
JPS6032235U (en) * 1983-08-06 1985-03-05 トヨタ自動車株式会社 portable can
US4552243A (en) * 1984-05-03 1985-11-12 Pioneer Industrial Components, Inc. Diaphragm material for acoustical transducer
GB2334851B (en) * 1999-02-08 2000-01-12 Joseph Harold Stephens A loudspeaker/microphone
JP2001189990A (en) * 1999-12-28 2001-07-10 Jsp Corp Speaker diaphragm and material for speaker diaphragm
JP2005529378A (en) * 2002-06-06 2005-09-29 ファブリカ イタリアーナ アクムラトリ モトカーリ モンテッキオ − エフ．イ．アー．エンメ．エンメ． エッセ．ピー．アー． Vehicle device for producing acoustic signals
GB2549955A (en) * 2016-05-03 2017-11-08 4A Mfg Gmbh Membrane plate structure for generating sound waves

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974204A (en) * 1954-07-06 1961-03-07 Kane Corp Du Transducer
US3073916A (en) * 1958-11-24 1963-01-15 Muter Company Blast-proof water-proof loudspeaker
US3367812A (en) * 1962-11-14 1968-02-06 Union Carbide Corp Process of producing carbonized articles
US3539296A (en) * 1969-06-16 1970-11-10 Kimberly Clark Co Method of making carbonized cellulose fibers for incorporation in electrically conductive paper
US3668336A (en) * 1969-12-08 1972-06-06 Dayton Wright Associates Ltd Audio system including electrostatic loudspeaker
US3671385A (en) * 1970-07-17 1972-06-20 Atomic Energy Commission Fibrous carbonaceous composites and method for manufacturing same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS528817A (en) * 1975-07-10 1977-01-24 Matsushita Electric Ind Co Ltd Speaker
JPS5532280B2 (en) * 1975-07-10 1980-08-23
JPS5289912A (en) * 1976-01-22 1977-07-28 Toho Beslon Co Speaker cone
JPS5544511B2 (en) * 1976-01-22 1980-11-12
JPS5345230A (en) * 1976-10-04 1978-04-22 Sanyo Electric Co Ltd Vibrating plate for speaker
WO1983000791A1 (en) * 1981-08-27 1983-03-03 Hasumi, Shigeru Vibrating plate for speaker
EP0086837A1 (en) * 1981-08-27 1983-08-31 Toray Industries, Inc. Vibrating plate for speaker
EP0086837B1 (en) * 1981-08-27 1985-12-27 Toray Industries, Inc. Vibrating plate for speaker

Also Published As

Publication number Publication date
JPS557755B2 (en) 1980-02-28
DE2444718B2 (en) 1977-02-10
GB1487942A (en) 1977-10-05
US3930130A (en) 1975-12-30
CA1009156A (en) 1977-04-26
DE2444718A1 (en) 1975-04-17

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