DE3020659C2 - Schallmembran sowie Verfahren zu ihrer Herstellung - Google Patents

Schallmembran sowie Verfahren zu ihrer Herstellung

Info

Publication number
DE3020659C2
DE3020659C2 DE3020659A DE3020659A DE3020659C2 DE 3020659 C2 DE3020659 C2 DE 3020659C2 DE 3020659 A DE3020659 A DE 3020659A DE 3020659 A DE3020659 A DE 3020659A DE 3020659 C2 DE3020659 C2 DE 3020659C2
Authority
DE
Germany
Prior art keywords
web
sound
membrane
sound membrane
cover plate
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
Application number
DE3020659A
Other languages
German (de)
English (en)
Other versions
DE3020659A1 (de
Inventor
Kousaku Kobe Murata
Shuji Amagasaki Saiki
Naraji Kawanishi Sakamoto
Kazue Kadoma Sato
Hiroshi Katano Yamamoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE3020659A1 publication Critical patent/DE3020659A1/de
Application granted granted Critical
Publication of DE3020659C2 publication Critical patent/DE3020659C2/de
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
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
    • 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
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DE3020659A 1979-05-31 1980-05-30 Schallmembran sowie Verfahren zu ihrer Herstellung Expired DE3020659C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6842479A JPS55161496A (en) 1979-05-31 1979-05-31 Diaphragm for speaker and its production

Publications (2)

Publication Number Publication Date
DE3020659A1 DE3020659A1 (de) 1980-12-11
DE3020659C2 true DE3020659C2 (de) 1983-11-17

Family

ID=13373282

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3020659A Expired DE3020659C2 (de) 1979-05-31 1980-05-30 Schallmembran sowie Verfahren zu ihrer Herstellung

Country Status (4)

Country Link
US (1) US4300655A (US07922777-20110412-C00004.png)
JP (1) JPS55161496A (US07922777-20110412-C00004.png)
DE (1) DE3020659C2 (US07922777-20110412-C00004.png)
GB (1) GB2050758B (US07922777-20110412-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3623998A1 (de) * 1986-07-16 1988-01-28 Ulrich Ranke Lautsprecher mit kegelstumpffoermiger lautsprechermembran, die aus faserverstaerkten kunststoffen und einer innenwabe besteht

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3379210D1 (en) * 1982-03-16 1989-03-23 Matsushita Electric Ind Co Ltd Diaphragm for loudspeakers
JPS6019398A (ja) * 1983-07-13 1985-01-31 Matsushita Electric Ind Co Ltd スピ−カ用振動板の製造方法
JPS61154307A (ja) * 1984-12-27 1986-07-14 Matsushita Electric Ind Co Ltd 圧電磁器振動子
JPS62121832U (US07922777-20110412-C00004.png) * 1986-01-27 1987-08-03
US4761817A (en) * 1986-01-27 1988-08-02 Harman International Industries, Incorporated Diaphragm structure for a transducer
US4899390A (en) * 1986-09-19 1990-02-06 Matsushita Electric Industrial Co., Ltd. Thin speaker having an enclosure within an open portion and a closed portion
US4817165A (en) * 1987-01-27 1989-03-28 Amalaha Leonard D Acoustic speaker device with a diaphragm having a spider web type core
US4881617A (en) * 1988-12-30 1989-11-21 Alexander Faraone Radially arcuated speaker cone
JPH03173530A (ja) * 1989-12-04 1991-07-26 Hitachi Ltd 磁気共鳴イメージング装置の傾斜磁場コイル
GB2246684A (en) * 1990-08-04 1992-02-05 Secr Defence Panel form loudspeaker
US6247551B1 (en) 1990-08-04 2001-06-19 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Panel-form loudspeaker
US5231672A (en) * 1991-07-10 1993-07-27 Tsao Ye Ming Plane-surfaced waved out-diffusion triangular beam-typed resonant board
GB2289822B (en) * 1994-05-09 1998-07-29 Simon Paul Carrington An improved tubular diaphragm
US6215881B1 (en) * 1995-09-02 2001-04-10 New Transducers Limited Ceiling tile loudspeaker
GB2320393A (en) 1996-12-11 1998-06-17 Secr Defence Panel form loudspeaker
US5847332A (en) * 1997-11-10 1998-12-08 Faraone; Alexander Polycarbonate-based radially arcuated speaker cone
US5991421A (en) * 1997-11-10 1999-11-23 Single Source Technology And Development, Inc. Radially expanding multiple flat-surfaced waveguide device
US6026929A (en) * 1997-11-10 2000-02-22 Single Source Technology And Development, Inc. High frequency radially arcuated center speaker cone with variable thickness
US5880412A (en) * 1997-11-10 1999-03-09 Faraone; Alexander High frequency radially arcuated center speaker cone
GB2360665B (en) * 1998-06-22 2003-01-15 Slab Technology Ltd Loudspeakers
DK1120007T3 (da) 1998-06-22 2005-12-12 Slab Technology Ltd Höjttalere
US6590993B2 (en) * 1999-09-06 2003-07-08 Koninklijke Philips Electronics N.V. Panel-shaped loudspeaker
DE10025460B4 (de) * 2000-05-23 2004-03-18 Harman Audio Electronic Systems Gmbh Hochtonlautsprecher
JP4661695B2 (ja) * 2006-06-05 2011-03-30 日産自動車株式会社 吸気音強調装置
JP4661694B2 (ja) * 2006-06-05 2011-03-30 日産自動車株式会社 吸気増音装置
GB2479941A (en) * 2010-04-30 2011-11-02 Gp Acoustics Stiffened loudspeaker diaphragm
WO2016108192A2 (en) * 2014-12-31 2016-07-07 Knowles Ipc (M) Sdn. Bhd. Rotary flux acoustic transducer
KR102370839B1 (ko) * 2017-05-11 2022-03-04 엘지디스플레이 주식회사 표시장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1740651A (en) * 1929-12-24 Ernst hxteter
US2624417A (en) * 1947-02-20 1953-01-06 Joseph B Brennan Acoustic diaphragm with flexible rim portion and rigid body portion
US3636278A (en) * 1969-02-19 1972-01-18 Heil Scient Lab Inc Acoustic transducer with a diaphragm forming a plurality of adjacent narrow air spaces open only at one side with the open sides of adjacent air spaces alternatingly facing in opposite directions
GB1526201A (en) * 1975-09-05 1978-09-27 Strathearn Audio Ltd Loudspeaker diaphragm
JPS5379525A (en) * 1976-12-23 1978-07-14 Sony Corp Compound diaphtagm for speakers
JPS5748153Y2 (US07922777-20110412-C00004.png) * 1977-11-26 1982-10-22
JPS6057796B2 (ja) * 1978-04-06 1985-12-17 松下電器産業株式会社 スピ−カ用振動板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3623998A1 (de) * 1986-07-16 1988-01-28 Ulrich Ranke Lautsprecher mit kegelstumpffoermiger lautsprechermembran, die aus faserverstaerkten kunststoffen und einer innenwabe besteht

Also Published As

Publication number Publication date
DE3020659A1 (de) 1980-12-11
JPS5753719B2 (US07922777-20110412-C00004.png) 1982-11-15
GB2050758A (en) 1981-01-07
US4300655A (en) 1981-11-17
GB2050758B (en) 1983-07-20
JPS55161496A (en) 1980-12-16

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee