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AT301644B - Essentially flat membrane for flat speakers - Google Patents

Essentially flat membrane for flat speakers

Info

Publication number
AT301644B
AT301644B AT257167A AT257167A AT301644B AT 301644 B AT301644 B AT 301644B AT 257167 A AT257167 A AT 257167A AT 257167 A AT257167 A AT 257167A AT 301644 B AT301644 B AT 301644B
Authority
AT
Austria
Prior art keywords
flat
speakers
essentially
membrane
flat membrane
Prior art date
Application number
AT257167A
Other languages
German (de)
Original Assignee
Nippon Gakki Company 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 Company Ltd filed Critical Nippon Gakki Company Ltd
Application granted granted Critical
Publication of AT301644B publication Critical patent/AT301644B/en

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)
AT257167A 1966-04-06 1967-03-16 Essentially flat membrane for flat speakers AT301644B (en)

Applications Claiming Priority (6)

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

Publications (1)

Publication Number Publication Date
AT301644B true AT301644B (en) 1972-09-11

Family

ID=27549208

Family Applications (1)

Application Number Title Priority Date Filing Date
AT257167A AT301644B (en) 1966-04-06 1967-03-16 Essentially flat membrane for flat speakers

Country Status (8)

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

Families Citing this family (20)

* 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
GB1563511A (en) * 1976-03-19 1980-03-26 Harwood H Diaphragms for electroacoustic transducers
DE3024728C2 (en) * 1979-06-30 1982-12-23 Pioneer Electronic Corp., Tokyo Driver device for a loudspeaker arrangement
US4581496A (en) * 1979-09-04 1986-04-08 Emhart Industries, Inc. Diaphragm for attenuating harmonic response in an electroacoustic transducer
GB2182823A (en) * 1985-11-07 1987-05-20 Midlen Trading Corp Diaphragm and driver for a loudspeaker
US4761817A (en) * 1986-01-27 1988-08-02 Harman International Industries, Incorporated Diaphragm structure for a transducer
US4928312A (en) * 1988-10-17 1990-05-22 Amel Hill Acoustic transducer
GB2360665B (en) * 1998-06-22 2003-01-15 Slab Technology Ltd Loudspeakers
GB2373476B (en) * 2001-01-29 2007-09-05 Goodmans Loudspeakers Ltd Loudspeaker diaphragm and method of manufacture thereof
KR100842606B1 (en) * 2002-04-12 2008-07-01 엘지전자 주식회사 Speaker with low distortion wired diaphragm
US7177440B2 (en) * 2002-12-31 2007-02-13 Step Technologies Inc. Electromagnetic transducer with asymmetric diaphragm
EP1665883A4 (en) * 2003-09-18 2007-07-04 John M Norton Audio loudspeaker enclosure
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
GB2489700B (en) * 2011-04-04 2013-09-18 Canon Kk Method and device for controlling the vibration modes of a vibrating support
CN104054356B (en) * 2012-09-26 2017-08-04 京瓷株式会社 Sound generator, sound generation device and electronic equipment
US9628917B2 (en) * 2014-07-23 2017-04-18 Bose Corporation Sound producing system
IT201600082006A1 (en) 2016-08-03 2018-02-03 Enrico Ciresa S R L SOUND DIFFUSER ACCESSORY
CN114450975A (en) * 2019-07-29 2022-05-06 普罗之声有限责任公司 Loudspeaker cone with convexly curved protrusions and method for controlling resonance modes

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 (en) * 1937-01-20 1953-12-21 Dr Emil Podszus Membrane of great rigidity for sound reproduction
DE835757C (en) * 1949-10-26 1952-04-03 Klangfilm G M B H Dome membrane for funnel loudspeaker
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 (en) * 1961-10-04
BE626876A (en) * 1962-01-15
US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker

Also Published As

Publication number Publication date
NL6702816A (en) 1967-10-09
GB1186722A (en) 1970-04-02
US3464514A (en) 1969-09-02
NL144117B (en) 1974-11-15
DE1299041B (en) 1969-07-10
NO119596B (en) 1970-06-08
SE342962B (en) 1972-02-21
FR1517610A (en) 1968-03-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee