DE69409699D1 - Lautsprechermembran zur Verwendung in einem elektroakustischen Wandler enthaltend Kenaf Fasern - Google Patents

Lautsprechermembran zur Verwendung in einem elektroakustischen Wandler enthaltend Kenaf Fasern

Info

Publication number
DE69409699D1
DE69409699D1 DE69409699T DE69409699T DE69409699D1 DE 69409699 D1 DE69409699 D1 DE 69409699D1 DE 69409699 T DE69409699 T DE 69409699T DE 69409699 T DE69409699 T DE 69409699T DE 69409699 D1 DE69409699 D1 DE 69409699D1
Authority
DE
Germany
Prior art keywords
electroacoustic transducer
kenaf fibers
transducer containing
loudspeaker membrane
containing kenaf
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.)
Expired - Lifetime
Application number
DE69409699T
Other languages
English (en)
Other versions
DE69409699T2 (de
Inventor
Hidekazu Ichikawa
Mutsuo Musha
Hideaki Motohashi
Takashi Mikuniya
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.)
Foster Electric Co Ltd
Original Assignee
Foster 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 Foster Electric Co Ltd filed Critical Foster Electric Co Ltd
Application granted granted Critical
Publication of DE69409699D1 publication Critical patent/DE69409699D1/de
Publication of DE69409699T2 publication Critical patent/DE69409699T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/029—Diaphragms comprising fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)
DE69409699T 1993-02-24 1994-02-23 Lautsprechermembran zur Verwendung in einem elektroakustischen Wandler enthaltend Kenaf Fasern Expired - Lifetime DE69409699T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5059716A JPH06253390A (ja) 1993-02-24 1993-02-24 スピーカ用振動板

Publications (2)

Publication Number Publication Date
DE69409699D1 true DE69409699D1 (de) 1998-05-28
DE69409699T2 DE69409699T2 (de) 1998-11-26

Family

ID=13121211

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69409699T Expired - Lifetime DE69409699T2 (de) 1993-02-24 1994-02-23 Lautsprechermembran zur Verwendung in einem elektroakustischen Wandler enthaltend Kenaf Fasern

Country Status (5)

Country Link
EP (1) EP0613321B1 (de)
JP (1) JPH06253390A (de)
KR (1) KR940020863A (de)
DE (1) DE69409699T2 (de)
HK (1) HK1009668A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5728269A (en) * 1994-12-22 1998-03-17 Atsushi Onishi Board produced from malvaceous bast plant and process for producing the same
AU2771199A (en) 1998-02-19 1999-09-06 International Paper Company Process for production of chemical pulp from herbaceous plants
DE19935596A1 (de) * 1999-08-02 2001-03-15 Moeller Plast Gmbh Akustisches Bauteil
DE19946147A1 (de) * 1999-09-27 2001-04-26 Moeller Plast Gmbh Akustisches Bauteil

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62216494A (ja) * 1986-03-17 1987-09-24 Pioneer Electronic Corp スピ−カ用振動板
JP2892707B2 (ja) * 1989-10-03 1999-05-17 オンキヨー株式会社 スピーカ振動板
JPH04181899A (ja) * 1990-04-13 1992-06-29 Sansui Electric Co Ltd スピーカ用振動板

Also Published As

Publication number Publication date
EP0613321A1 (de) 1994-08-31
HK1009668A1 (en) 1999-06-04
DE69409699T2 (de) 1998-11-26
KR940020863A (ko) 1994-09-16
JPH06253390A (ja) 1994-09-09
EP0613321B1 (de) 1998-04-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8370 Indication related to discontinuation of the patent is to be deleted
8328 Change in the person/name/address of the agent

Representative=s name: VONNEMANN, KLOIBER & KOLLEGEN, 80796 MUENCHEN