GB1186722A - Diaphragm for Flat Plate-Type Loud Speaker - Google Patents

Diaphragm for Flat Plate-Type Loud Speaker

Info

Publication number
GB1186722A
GB1186722A GB01216/67A GB1121667A GB1186722A GB 1186722 A GB1186722 A GB 1186722A GB 01216/67 A GB01216/67 A GB 01216/67A GB 1121667 A GB1121667 A GB 1121667A GB 1186722 A GB1186722 A GB 1186722A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
ribs
driving means
speaker
moulded
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
GB01216/67A
Other languages
English (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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki 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 JP4106566U external-priority patent/JPS4427432Y1/ja
Priority claimed from JP1966064618U external-priority patent/JPS459353Y1/ja
Application filed by Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Publication of GB1186722A publication Critical patent/GB1186722A/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
    • 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
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB01216/67A 1966-04-06 1967-03-09 Diaphragm for Flat Plate-Type Loud Speaker Expired GB1186722A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP3178766 1966-04-06
JP2474566 1966-04-19
JP2474666 1966-04-19
JP4106566U JPS4427432Y1 (enrdf_load_stackoverflow) 1966-05-03 1966-05-03
JP1966064618U JPS459353Y1 (enrdf_load_stackoverflow) 1966-07-07 1966-07-07
JP7254766 1966-11-02

Publications (1)

Publication Number Publication Date
GB1186722A true GB1186722A (en) 1970-04-02

Family

ID=27549208

Family Applications (1)

Application Number Title Priority Date Filing Date
GB01216/67A Expired GB1186722A (en) 1966-04-06 1967-03-09 Diaphragm for Flat Plate-Type Loud Speaker

Country Status (8)

Country Link
US (1) US3464514A (enrdf_load_stackoverflow)
AT (1) AT301644B (enrdf_load_stackoverflow)
DE (1) DE1299041B (enrdf_load_stackoverflow)
FR (1) FR1517610A (enrdf_load_stackoverflow)
GB (1) GB1186722A (enrdf_load_stackoverflow)
NL (1) NL144117B (enrdf_load_stackoverflow)
NO (1) NO119596B (enrdf_load_stackoverflow)
SE (1) SE342962B (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2711996A1 (de) * 1976-03-19 1977-09-29 Hugh Dudley Harwood Membran fuer einen lautsprecher
GB2182823A (en) * 1985-11-07 1987-05-20 Midlen Trading Corp Diaphragm and driver for a loudspeaker
US4928312A (en) * 1988-10-17 1990-05-22 Amel Hill Acoustic transducer
GB2360665A (en) * 1998-06-22 2001-09-26 Slab Technology Ltd Planar loudspeakers
GB2435008A (en) * 2001-01-29 2007-08-15 Tannoy Ltd An injection moulded loudspeaker diaphragm and a method of manufacture
GB2489700A (en) * 2011-04-04 2012-10-10 Canon Kk Controlling the vibration modes of a vibrating support

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979566A (en) * 1973-12-12 1976-09-07 Erazm Alfred Willy Electromagnetic transducer
GB1510797A (en) * 1974-11-28 1978-05-17 Bertagni J Diaphragm for use in an electroacoustic transducer
GB2055016B (en) * 1979-06-30 1983-08-24 Pioneer Electronic Corp Driver unit for a planar diaphragm of a loudspeaker system
US4581496A (en) * 1979-09-04 1986-04-08 Emhart Industries, Inc. Diaphragm for attenuating harmonic response in an electroacoustic transducer
US4761817A (en) * 1986-01-27 1988-08-02 Harman International Industries, Incorporated Diaphragm structure for a transducer
KR100842606B1 (ko) * 2002-04-12 2008-07-01 엘지전자 주식회사 저 왜율 유선형 진동판을 갖는 스피커
US7177440B2 (en) * 2002-12-31 2007-02-13 Step Technologies Inc. Electromagnetic transducer with asymmetric diaphragm
JP2007506371A (ja) * 2003-09-18 2007-03-15 ジョン エム ノートン オーディオ・ラウドスピーカ・エンクロージャ
US7845461B2 (en) * 2007-08-10 2010-12-07 Victor Company Of Japan, Limited Acoustic diaphragm and speaker
WO2009080055A1 (en) * 2007-12-20 2009-07-02 Scan-Speak A/S Asymmetric reinforcement of a membrane
JP5602978B2 (ja) * 2012-09-26 2014-10-08 京セラ株式会社 音響発生器、音響発生装置および電子機器
US9628917B2 (en) * 2014-07-23 2017-04-18 Bose Corporation Sound producing system
IT201600082006A1 (it) 2016-08-03 2018-02-03 Enrico Ciresa S R L Accessorio diffusore di suoni
JP2022542398A (ja) 2019-07-29 2022-10-03 ポーク オーディオ， リミテッド ライアビリティ カンパニー 隆起湾曲突出部付きのラウドスピーカ用コーンおよび共振モードを制御する方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1990409A (en) * 1932-02-19 1935-02-05 Neville Athol Ernest Acoustical diaphragm
DE900228C (de) * 1937-01-20 1953-12-21 Dr Emil Podszus Membran grosser Steifigkeit fuer Tonwiedergabe
DE835757C (de) * 1949-10-26 1952-04-03 Klangfilm G M B H Kalottenmembran fuer Trichterlautsprecher
USRE24141E (en) * 1952-10-25 1956-04-10 Method of making the same
US2905260A (en) * 1955-02-24 1959-09-22 Muter Company Loud speaker diaphragm
US2960177A (en) * 1957-11-25 1960-11-15 Hawley Products Co Acoustical devices
GB852006A (en) * 1957-11-25 1960-10-19 Hawley Products Co Improvements in or relating to loudspeaker diaphragms
US3180945A (en) * 1961-09-22 1965-04-27 Wm H Welsh Co Inc Loudspeaker
NL283889A (enrdf_load_stackoverflow) * 1961-10-04
NL287574A (enrdf_load_stackoverflow) * 1962-01-15
US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2711996A1 (de) * 1976-03-19 1977-09-29 Hugh Dudley Harwood Membran fuer einen lautsprecher
GB2182823A (en) * 1985-11-07 1987-05-20 Midlen Trading Corp Diaphragm and driver for a loudspeaker
US4928312A (en) * 1988-10-17 1990-05-22 Amel Hill Acoustic transducer
GB2360665A (en) * 1998-06-22 2001-09-26 Slab Technology Ltd Planar loudspeakers
GB2360665B (en) * 1998-06-22 2003-01-15 Slab Technology Ltd Loudspeakers
GB2435008A (en) * 2001-01-29 2007-08-15 Tannoy Ltd An injection moulded loudspeaker diaphragm and a method of manufacture
GB2435008B (en) * 2001-01-29 2007-11-21 Tannoy Ltd Loudspeaker diaphragm and method of manufacture thereof
GB2489700A (en) * 2011-04-04 2012-10-10 Canon Kk Controlling the vibration modes of a vibrating support
GB2489700B (en) * 2011-04-04 2013-09-18 Canon Kk Method and device for controlling the vibration modes of a vibrating support

Also Published As

Publication number Publication date
DE1299041B (de) 1969-07-10
FR1517610A (fr) 1968-03-15
NL6702816A (enrdf_load_stackoverflow) 1967-10-09
NL144117B (nl) 1974-11-15
US3464514A (en) 1969-09-02
SE342962B (enrdf_load_stackoverflow) 1972-02-21
AT301644B (de) 1972-09-11
NO119596B (enrdf_load_stackoverflow) 1970-06-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE Patent expired