DE3126993C2 - - Google Patents

Info

Publication number
DE3126993C2
DE3126993C2 DE3126993A DE3126993A DE3126993C2 DE 3126993 C2 DE3126993 C2 DE 3126993C2 DE 3126993 A DE3126993 A DE 3126993A DE 3126993 A DE3126993 A DE 3126993A DE 3126993 C2 DE3126993 C2 DE 3126993C2
Authority
DE
Germany
Prior art keywords
node lines
node
loudspeaker according
drive
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
DE3126993A
Other languages
German (de)
English (en)
Other versions
DE3126993A1 (de
Inventor
Shuji Hirakata Osaka Jp Saiki
Katuaki Osaka Jp Sato
Kazue Sato
Seiichi Kadoma Osaka Jp Ishikawa
Hideaki Neyagawa Osaka Jp Inoue
Tsuneo Nishinomiya Hyogo Jp Tanaka
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
Priority claimed from JP9364680A external-priority patent/JPS5718198A/ja
Priority claimed from JP14169180A external-priority patent/JPS5953759B2/ja
Priority claimed from JP56024114A external-priority patent/JPS57138299A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE3126993A1 publication Critical patent/DE3126993A1/de
Application granted granted Critical
Publication of DE3126993C2 publication Critical patent/DE3126993C2/de
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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers
    • 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
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DE19813126993 1980-07-08 1981-07-08 Elektrodynamischer lautsprecher Granted DE3126993A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9364680A JPS5718198A (en) 1980-07-08 1980-07-08 Dynamic loudspeaker
JP14169180A JPS5953759B2 (ja) 1980-10-08 1980-10-08 動電型スピ−カ
JP56024114A JPS57138299A (en) 1981-02-19 1981-02-19 Electrodynamic speaker

Publications (2)

Publication Number Publication Date
DE3126993A1 DE3126993A1 (de) 1982-04-15
DE3126993C2 true DE3126993C2 (en:Method) 1989-11-16

Family

ID=27284519

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813126993 Granted DE3126993A1 (de) 1980-07-08 1981-07-08 Elektrodynamischer lautsprecher

Country Status (3)

Country Link
US (1) US4426556A (en:Method)
DE (1) DE3126993A1 (en:Method)
GB (1) GB2082021B (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19821855A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Plattenlautsprecher

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA1284837C (en) * 1987-06-18 1991-06-11 Highwood Audio Inc. Audio transducer
US5872855A (en) * 1995-03-22 1999-02-16 Chain Reactions, Inc. Multiple voice coil, multiple function loudspeaker
US6215881B1 (en) * 1995-09-02 2001-04-10 New Transducers Limited Ceiling tile loudspeaker
EP2178307B1 (en) * 1998-01-16 2013-11-27 Sony Corporation Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein
DE19825866A1 (de) 1998-06-10 1999-12-16 Nokia Deutschland Gmbh Plattenlautsprecher
IL140304A0 (en) 1998-06-22 2002-02-10 Slab Technology Ltd Loudspeakers
JP3512087B2 (ja) * 1999-06-15 2004-03-29 日本電気株式会社 パネルスピーカ
US6574347B1 (en) * 2000-11-17 2003-06-03 Logitech Europe S.A. Flat-panel loudspeaker with compressed dampeners
FI20011303A7 (fi) * 2001-06-19 2002-12-20 Nokia Corp Kaiutin
US7010143B2 (en) * 2002-08-22 2006-03-07 Tai-Yan Kam Rectangular panel-form loudspeaker and its radiating panel
GB0601076D0 (en) * 2006-01-19 2006-03-01 New Transducers Ltd Acoustic device and method of making acoustic device
US9185492B2 (en) * 2009-04-10 2015-11-10 Immerz, Inc. Systems and methods for acousto-haptic speakers
GB2489700B (en) * 2011-04-04 2013-09-18 Canon Kk Method and device for controlling the vibration modes of a vibrating support
WO2014082295A1 (en) * 2012-11-30 2014-06-05 Premium Loudspeakers (Hui Zhou) Co., Ltd. A loudspeaker with two motors and one suspension
CN111698615A (zh) * 2019-03-14 2020-09-22 歌尔股份有限公司 双面微型发声装置和电子产品
US20240314476A1 (en) * 2020-06-01 2024-09-19 Sony Group Corporation Speaker and electronic apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2007746A (en) 1925-07-20 1935-07-09 Rca Corp Acoustic device
US2956538A (en) 1957-12-10 1960-10-18 Gen Ultrasonics Company Diaphragm vibration control
NL287574A (en:Method) 1962-01-15
US3496307A (en) * 1967-12-30 1970-02-17 Nippon Musical Instruments Mfg Loudspeaker
DE6926662U (de) * 1969-07-04 1969-12-04 Oskar Knecht Lautsprechersystem
JPS5525285A (en) * 1978-08-14 1980-02-22 Sony Corp Speaker
US4225757A (en) 1978-12-18 1980-09-30 Babbco, Ltd. Broad band dynamic loudspeaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19821855A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Plattenlautsprecher
US7236601B1 (en) 1998-05-15 2007-06-26 Wolfgang Bachmann Panel loudspeaker

Also Published As

Publication number Publication date
GB2082021A (en) 1982-02-24
US4426556A (en) 1984-01-17
GB2082021B (en) 1984-05-23
DE3126993A1 (de) 1982-04-15

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: SCHWABE, H., DIPL.-ING. SANDMAIR, K., DIPL.-CHEM.

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee