GB2037123B - Flat plate loudspeakers - Google Patents

Flat plate loudspeakers

Info

Publication number
GB2037123B
GB2037123B GB7939780A GB7939780A GB2037123B GB 2037123 B GB2037123 B GB 2037123B GB 7939780 A GB7939780 A GB 7939780A GB 7939780 A GB7939780 A GB 7939780A GB 2037123 B GB2037123 B GB 2037123B
Authority
GB
United Kingdom
Prior art keywords
flat plate
plate loudspeakers
loudspeakers
flat
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
GB7939780A
Other languages
English (en)
Other versions
GB2037123A (en
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of GB2037123A publication Critical patent/GB2037123A/en
Application granted granted Critical
Publication of GB2037123B publication Critical patent/GB2037123B/en
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
    • 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
    • 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

  • 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)
GB7939780A 1978-11-20 1979-11-16 Flat plate loudspeakers Expired GB2037123B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14314578A JPS5568795A (en) 1978-11-20 1978-11-20 Speaker

Publications (2)

Publication Number Publication Date
GB2037123A GB2037123A (en) 1980-07-02
GB2037123B true GB2037123B (en) 1983-04-13

Family

ID=15331972

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7939780A Expired GB2037123B (en) 1978-11-20 1979-11-16 Flat plate loudspeakers

Country Status (7)

Country Link
US (1) US4322583A (en, 2012)
JP (1) JPS5568795A (en, 2012)
CA (1) CA1137618A (en, 2012)
DE (1) DE2946618A1 (en, 2012)
FR (1) FR2441981A1 (en, 2012)
GB (1) GB2037123B (en, 2012)
NL (1) NL7908430A (en, 2012)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0112479Y2 (en, 2012) * 1979-05-15 1989-04-11
DE3036876C2 (de) * 1979-10-02 1983-09-08 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Lautsprecher mit einer Membran und einem Schwingspulenkörper
US4472604A (en) * 1980-03-08 1984-09-18 Nippon Gakki Seizo Kabushiki Kaisha Planar type electro-acoustic transducer and process for manufacturing same
JPS57163897U (en, 2012) * 1981-04-09 1982-10-15
JPS57166491U (en, 2012) * 1981-04-11 1982-10-20
DE3123098C2 (de) * 1981-06-11 1983-06-01 Martin 4600 Dortmund Stute Membran für elektroakustische Wandlersysteme
US4479035A (en) * 1983-05-23 1984-10-23 Philippbar Jay E Ceramic voice coil assembly
US4817165A (en) * 1987-01-27 1989-03-28 Amalaha Leonard D Acoustic speaker device with a diaphragm having a spider web type core
DE69133105T2 (de) * 1990-06-08 2003-07-31 Simon Paul Carrington Lautsprecher mit einer mit einem luftkanal versehenen membran
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
CH684670A5 (de) * 1992-10-20 1994-11-15 Gyoergy Csikos Verfahren zum Wandeln der mechanischen Schwingung eines Treibers in ein akustisches Signal und Wandler zu dessen Ausführung.
US6003766A (en) 1995-09-02 1999-12-21 New Transducers Limited Vending machine
US6282298B1 (en) 1996-09-03 2001-08-28 New Transducers Limited Acoustic device
GB9704486D0 (en) * 1997-03-04 1997-04-23 New Transducers Ltd Acoustic devices etc
GB2320393A (en) 1996-12-11 1998-06-17 Secr Defence Panel form loudspeaker
GB9714050D0 (en) * 1997-07-03 1997-09-10 New Transducers Ltd Panel-form loudspeakers
DE19757099A1 (de) * 1997-12-20 1999-06-24 Nokia Deutschland Gmbh Kontaktierung für eine Schallwiedergabeanordnung nach dem Biegewellenprinzip
DE19757098C2 (de) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Aufhängung für Schallwiedergabeanordnungen nach dem Biegewellenprinzip
DE19757097B4 (de) * 1997-12-20 2004-04-15 Harman Audio Electronic Systems Gmbh Schallwiedergabeanordnung
US6519346B1 (en) * 1998-01-16 2003-02-11 Sony Corporation Speaker apparatus and electronic apparatus having a speaker apparatus enclosed therein
DE19821861A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Vorrichtung zur dynamischen Anregung von Plattenlautsprechern
ID27400A (id) 1998-06-22 2001-04-05 Slab Technology Ltd Pengeras suara
GB2360665B (en) * 1998-06-22 2003-01-15 Slab Technology Ltd Loudspeakers
JP3753150B1 (ja) * 2004-09-09 2006-03-08 株式会社村田製作所 スピーカ
EP1988740A1 (en) * 2007-05-03 2008-11-05 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Sound generator
JP2010263512A (ja) * 2009-05-11 2010-11-18 Sony Corp スピーカー装置
EP2387256A1 (de) * 2010-05-14 2011-11-16 DR. KURT MÜLLER GmbH & Co. KG Verfahren zur Herstellung einer Lautsprechermembran
US8855338B2 (en) * 2011-08-12 2014-10-07 Richard H. Lyon Transducers employing bowed lamina
US9154862B2 (en) 2013-06-27 2015-10-06 The Boeing Company Flat panel loudspeaker system
US9014413B2 (en) 2013-08-21 2015-04-21 The Boeing Company Dual coil loudspeaker system
CN110072178B (zh) * 2013-09-09 2020-12-29 中石真一路 听觉障碍者辅助扬声器
DE202015101129U1 (de) * 2015-03-06 2016-06-08 LEGIS GbR (vertretungsberechtigter Gesellschafter: Thomas C.O. Schmidt, 10707 Berlin) Flachmembran mit harzgfüllten Löchern, Planarlautsprecher mit Flachmembran und Akustikeinheit mit einem derartigen Planarlautsprecher
US9877112B2 (en) * 2016-03-29 2018-01-23 Dell Products L.P. Piezoelectric force actuator audio system
US20170359656A1 (en) * 2016-06-14 2017-12-14 Bose Corporation Electro-acoustic driver and bobbin therefore
US9942662B2 (en) * 2016-06-14 2018-04-10 Bose Corporation Electro-acoustic driver having compliant diaphragm with stiffening element
JP2020173295A (ja) * 2019-04-08 2020-10-22 ローランド株式会社 電子鍵盤楽器
CN110290448A (zh) * 2019-08-12 2019-09-27 陈林 一种音圈与振膜组件

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR572766A (fr) * 1923-01-29 1924-06-12 Haut parleur électromagnétique
NL23994C (en, 2012) * 1926-10-01
GB320654A (en) * 1928-04-21 1929-10-21 George Rex Searle Improvements in loud speakers for wireless apparatus or the like
GB323539A (en) * 1928-10-04 1930-01-06 George Rex Searle Improvements in or relating to diaphragms for loud-speakers and like instruments
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
US4232204A (en) * 1978-06-22 1980-11-04 Comercial E Industrial Sound-Tronic Ltd. High fidelity loudspeaker

Also Published As

Publication number Publication date
DE2946618C2 (en, 2012) 1989-08-31
US4322583A (en) 1982-03-30
FR2441981A1 (fr) 1980-06-13
GB2037123A (en) 1980-07-02
FR2441981B1 (en, 2012) 1985-04-26
DE2946618A1 (de) 1980-05-29
JPS6133434B2 (en, 2012) 1986-08-01
JPS5568795A (en) 1980-05-23
CA1137618A (en) 1982-12-14
NL7908430A (nl) 1980-05-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971116