JP2667745B2 - 電気音響変換器 - Google Patents

電気音響変換器

Info

Publication number
JP2667745B2
JP2667745B2 JP3043903A JP4390391A JP2667745B2 JP 2667745 B2 JP2667745 B2 JP 2667745B2 JP 3043903 A JP3043903 A JP 3043903A JP 4390391 A JP4390391 A JP 4390391A JP 2667745 B2 JP2667745 B2 JP 2667745B2
Authority
JP
Japan
Prior art keywords
diaphragm
bamboo
wood pulp
electroacoustic transducer
young
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
JP3043903A
Other languages
English (en)
Japanese (ja)
Other versions
JPH04281697A (ja
Inventor
鈴木晶久
廣嶋幸美
大林國彦
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP3043903A priority Critical patent/JP2667745B2/ja
Priority to TW081101655A priority patent/TW218063B/zh
Priority to KR1019920003969A priority patent/KR950012597B1/ko
Publication of JPH04281697A publication Critical patent/JPH04281697A/ja
Priority to US08/476,573 priority patent/US5581053A/en
Application granted granted Critical
Publication of JP2667745B2 publication Critical patent/JP2667745B2/ja
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP3043903A 1991-03-11 1991-03-11 電気音響変換器 Expired - Lifetime JP2667745B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP3043903A JP2667745B2 (ja) 1991-03-11 1991-03-11 電気音響変換器
TW081101655A TW218063B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-03-11 1992-03-04
KR1019920003969A KR950012597B1 (ko) 1991-03-11 1992-03-11 전기 음향 변환기의 진동판 및 그 제조 방법
US08/476,573 US5581053A (en) 1991-03-11 1995-06-07 Diaphragm of electroacoustic transducer and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3043903A JP2667745B2 (ja) 1991-03-11 1991-03-11 電気音響変換器

Publications (2)

Publication Number Publication Date
JPH04281697A JPH04281697A (ja) 1992-10-07
JP2667745B2 true JP2667745B2 (ja) 1997-10-27

Family

ID=12676674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3043903A Expired - Lifetime JP2667745B2 (ja) 1991-03-11 1991-03-11 電気音響変換器

Country Status (4)

Country Link
US (1) US5581053A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP2667745B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR950012597B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW218063B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7467686B2 (en) * 2003-02-19 2008-12-23 Victor Company Of Japan, Limited Speaker diaphragms, manufacturing methods of the same, and dynamic speakers
WO2007105454A1 (ja) * 2006-03-01 2007-09-20 Matsushita Electric Industrial Co., Ltd. スピーカ用抄紙部品の生産設備およびこの生産設備を用いて製造されるスピーカ用抄紙部品とそれを用いたスピーカ
CN101926183B (zh) * 2008-01-22 2013-09-11 松下电器产业株式会社 扬声器用振动板、使用它的扬声器以及扬声器用振动板的制造方法
WO2011080898A1 (ja) * 2009-12-28 2011-07-07 パナソニック株式会社 スピーカ用振動板、スピーカ用ダストキャップおよびスピーカ用フレームおよびこれらを用いたスピーカならびにこのスピーカを用いた電子機器および装置
JP5387429B2 (ja) * 2010-01-27 2014-01-15 パナソニック株式会社 スピーカ用振動板およびこれを用いたスピーカならびにこのスピーカを用いた電子機器および装置
US9716950B2 (en) * 2013-10-15 2017-07-25 Panasonic Intellectual Property Management Co., Ltd. Diaphragm, loudspeaker using same, and electronic device and mobile device using loudspeaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE380704B (sv) * 1973-12-11 1975-11-10 Toray Industries Vibrationskropp for ett elektriskt audioinstrument.
US4040904A (en) * 1975-07-21 1977-08-09 Slater Eban A Novel rabies virus vaccine and processes
JPS5337738A (en) * 1976-09-18 1978-04-07 Nippon Steel Corp Method and apparatus for curing of adhesive applied to board
US5057166A (en) * 1989-03-20 1991-10-15 Weyerhaeuser Corporation Method of treating discontinuous fibers

Also Published As

Publication number Publication date
KR920019208A (ko) 1992-10-22
JPH04281697A (ja) 1992-10-07
TW218063B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-12-21
US5581053A (en) 1996-12-03
KR950012597B1 (ko) 1995-10-19

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