GB2023375B – Loudspeakers and methods of making loudspeakers
– Google Patents
GB2023375B – Loudspeakers and methods of making loudspeakers
– Google Patents
Loudspeakers and methods of making loudspeakers
Info
Publication number
GB2023375B
GB2023375B
GB7920691A
GB7920691A
GB2023375B
GB 2023375 B
GB2023375 B
GB 2023375B
GB 7920691 A
GB7920691 A
GB 7920691A
GB 7920691 A
GB7920691 A
GB 7920691A
GB 2023375 B
GB2023375 B
GB 2023375B
Authority
GB
United Kingdom
Prior art keywords
loudspeakers
making
methods
making loudspeakers
Prior art date
1978-06-15
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
GB7920691A
Other versions
GB2023375A
(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.)
1978-06-15
Filing date
1979-06-14
Publication date
1982-05-12
1979-06-14
Application filed by Sony Corp
filed
Critical
Sony Corp
1979-12-28
Publication of GB2023375A
publication
Critical
patent/GB2023375A/en
1982-05-12
Application granted
granted
Critical
1982-05-12
Publication of GB2023375B
publication
Critical
patent/GB2023375B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
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
H04R7/16—Mounting or tensioning of diaphragms or cones
H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
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
GB7920691A
1978-06-15
1979-06-14
Loudspeakers and methods of making loudspeakers
Expired
GB2023375B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
JP53072426A
JPS603277B2
(en)
1978-06-15
1978-06-15
speaker device
Publications (2)
Publication Number
Publication Date
GB2023375A
GB2023375A
(en)
1979-12-28
GB2023375B
true
GB2023375B
(en)
1982-05-12
Family
ID=13488944
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7920691A
Expired
GB2023375B
(en)
1978-06-15
1979-06-14
Loudspeakers and methods of making loudspeakers
Country Status (7)
Country
Link
US
(1)
US4272653A
(en)
JP
(1)
JPS603277B2
(en)
CA
(1)
CA1136261A
(en)
DE
(1)
DE2924204A1
(en)
FR
(1)
FR2428951B1
(en)
GB
(1)
GB2023375B
(en)
NL
(1)
NL7904671A
(en)
Families Citing this family (31)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2055016B
(en)
*
1979-06-30
1983-08-24
Pioneer Electronic Corp
Driver unit for a planar diaphragm of a loudspeaker system
DE3123098C2
(en)
*
1981-06-11
1983-06-01
Martin 4600 Dortmund Stute
Membrane for electroacoustic transducer systems
NL8200416A
(en)
*
1982-02-04
1983-09-01
Philips Nv
FLAT MEMBRANE CONVERTER AND METHOD FOR MAKING SUCH A CONVERTER
DE3507726A1
(en)
*
1985-03-05
1986-09-11
Standard Elektrik Lorenz Ag, 7000 Stuttgart
MEMBRANE FOR PLANAR SPEAKER
JP2823157B2
(en)
*
1986-04-01
1998-11-11
キヤノン株式会社
Audio output system
NL8821131A
(en)
*
1988-06-10
1990-05-01
Vnii Radiovesh Priema Akustiki
DYNAMIC SPEAKER HEAD.
GB2246684A
(en)
*
1990-08-04
1992-02-05
Secr Defence
Panel form loudspeaker
US6058196A
(en)
*
1990-08-04
2000-05-02
The Secretary Of State For Defense In Her Britannic Majesty’s Government Of The United Kingdom Of Great Britain And Northern Ireland
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
EP0541646B1
(en)
*
1990-08-04
1995-01-11
The Secretary Of State For Defence In Her Britannic Majesty’s Government Of The United Kingdom Of Great Britain And Northern
Panel-form loudspeaker
US5231672A
(en)
*
1991-07-10
1993-07-27
Tsao Ye Ming
Plane-surfaced waved out-diffusion triangular beam-typed resonant board
US6192136B1
(en)
1995-09-02
2001-02-20
New Transducers Limited
Inertial vibration transducers
US6151402A
(en)
*
1995-09-02
2000-11-21
New Transducers Limited
Vibration transducers
KR19990044170A
(en)
1995-09-02
1999-06-25
헨리 에이지마
Panel Loudspeakers
US6519349B1
(en)
1995-09-02
2003-02-11
New Transducers Limited
Loudspeaker
US6003766A
(en)
*
1995-09-02
1999-12-21
New Transducers Limited
Vending machine
GB2320393A
(en)
1996-12-11
1998-06-17
Secr Defence
Panel form loudspeaker
AT405997B
(en)
1997-04-30
2000-01-25
Akg Acoustics Gmbh
ELECTROACOUSTIC CONVERTER
WO1999004597A2
(en)
*
1997-07-18
1999-01-28
Mackie Designs Inc.
Pistonic motion, large excursion passive radiator
DE19757098C2
(en)
*
1997-12-20
2003-01-09
Harman Audio Electronic Sys
Suspension for sound reproduction arrangements based on the bending wave principle
DE19821861A1
(en)
*
1998-05-15
1999-11-18
Nokia Deutschland Gmbh
Device for dynamically exciting flat panel loudspeaker
TR200003739T2
(en)
1998-06-22
2001-06-21
Slab Technology Limited
speakers
US7020301B2
(en)
2001-11-05
2006-03-28
Matsushita Electric Industrial Co., Ltd.
Loudspeaker
US7152299B2
(en)
*
2002-05-02
2006-12-26
Harman International Industries, Incorporated
Method of assembling a loudspeaker
US20040022409A1
(en)
*
2002-05-02
2004-02-05
Hutt Steven W.
Film attaching system
JP4948001B2
(en)
*
2005-03-09
2012-06-06
古河電気工業株式会社
Diaphragm for flat speaker
CN103559343B
(en)
*
2013-10-29
2017-07-11
三峡大学
One species honeycomb sandwich construction
DE202015101132U1
(en)
*
2015-03-06
2016-06-08
LEGIS GbR (vertretungsberechtigter Gesellschafter: Thomas C.O. Schmidt, 10707 Berlin)
Planar speaker with specific storage of the flat membrane and acoustic unit with such a planar loudspeaker
CN207869377U
(en)
*
2018-01-29
2018-09-14
瑞声科技(新加坡)有限公司
Vibrating diaphragm and microphone device
CN209330397U
(en)
*
2019-04-02
2019-08-30
苏州上声电子股份有限公司
A kind of Squawker
CN114515965A
(en)
*
2022-03-13
2022-05-20
芜湖威发电子科技有限公司
Automatic assembling device for damper voice coil
Family Cites Families (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR546789A
(en)
*
1921-12-29
1922-11-23
GB513289A
(en)
*
1937-12-18
1939-10-09
Helmut Sell
Diaphragm for receiving or reproducing sound vibrations and method for its manufacture
US3111187A
(en)
*
1959-11-23
1963-11-19
H J Leak & Company Ltd
Diaphragm for electro acoustic transducer
FR1348004A
(en)
*
1962-01-15
1964-01-04
Akg Akustische Kino Geraete
Diaphragm for acoustic devices
US3247925A
(en)
*
1962-03-08
1966-04-26
Lord Corp
Loudspeaker
FR1548519A
(en)
*
1967-10-23
1968-12-06
LU74330A1
(en)
*
1976-02-11
1977-08-19
JPS5379525A
(en)
*
1976-12-23
1978-07-14
Sony Corp
Compound diaphtagm for speakers
1978
1978-06-15
JP
JP53072426A
patent/JPS603277B2/en
not_active
Expired
1979
1979-06-14
GB
GB7920691A
patent/GB2023375B/en
not_active
Expired
1979-06-14
US
US06/048,389
patent/US4272653A/en
not_active
Expired – Lifetime
1979-06-14
NL
NL7904671A
patent/NL7904671A/en
not_active
Application Discontinuation
1979-06-14
CA
CA000329790A
patent/CA1136261A/en
not_active
Expired
1979-06-15
DE
DE19792924204
patent/DE2924204A1/en
active
Granted
1979-06-15
FR
FR7915430A
patent/FR2428951B1/en
not_active
Expired
Also Published As
Publication number
Publication date
JPS54163023A
(en)
1979-12-25
FR2428951B1
(en)
1985-11-15
JPS603277B2
(en)
1985-01-26
FR2428951A1
(en)
1980-01-11
DE2924204A1
(en)
1979-12-20
NL7904671A
(en)
1979-12-18
DE2924204C2
(en)
1988-08-11
CA1136261A
(en)
1982-11-23
US4272653A
(en)
1981-06-09
GB2023375A
(en)
1979-12-28
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Legal Events
Date
Code
Title
Description
1994-02-09
PCNP
Patent ceased through non-payment of renewal fee
Effective date:
19930614
