NO119596B - - Google Patents

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Publication number
NO119596B
NO119596B NO170375A NO17037567A NO119596B NO 119596 B NO119596 B NO 119596B NO 170375 A NO170375 A NO 170375A NO 17037567 A NO17037567 A NO 17037567A NO 119596 B NO119596 B NO 119596B
Authority
NO
Norway
Prior art keywords
membrane
sound
hoyttaler
loudspeaker
periphery
Prior art date
Application number
NO170375A
Other languages
English (en)
Norwegian (no)
Inventor
Y Mochida
I Kurokawa
K Ishimura
H Sotome
Original Assignee
Nippon Gakki Kk
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 Kk filed Critical Nippon Gakki Kk
Publication of NO119596B publication Critical patent/NO119596B/no

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)
NO170375A 1966-04-06 1967-11-02 NO119596B (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
NO119596B true NO119596B (en]) 1970-06-08

Family

ID=27549208

Family Applications (1)

Application Number Title Priority Date Filing Date
NO170375A NO119596B (en]) 1966-04-06 1967-11-02

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
US4323737A (en) * 1979-06-30 1982-04-06 Pioneer Electronic Corporation Driver unit for planar diaphragm type loudspeaker
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 (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
EP1665883A4 (en) * 2003-09-18 2007-07-04 John M Norton SPEAKER
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
US9369810B2 (en) * 2012-09-26 2016-06-14 Kyocera Corporation Acoustic generator, acoustic generation device, and electronic device
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
WO2021021936A1 (en) * 2019-07-29 2021-02-04 Polk Audio, Llc Loudspeaker cone with raised curved protrusions and method for controlling resonant 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 (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
GB852006A (en) * 1957-11-25 1960-10-19 Hawley Products Co Improvements in or relating to loudspeaker diaphragms
US2960177A (en) * 1957-11-25 1960-11-15 Hawley Products Co Acoustical devices
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
GB1186722A (en) 1970-04-02
NL144117B (nl) 1974-11-15
FR1517610A (fr) 1968-03-15
SE342962B (en]) 1972-02-21
DE1299041B (de) 1969-07-10
NL6702816A (en]) 1967-10-09
AT301644B (de) 1972-09-11
US3464514A (en) 1969-09-02

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