NL144117B - SPEAKER. - Google Patents

SPEAKER.

Info

Publication number
NL144117B
NL144117B NL676702816A NL6702816A NL144117B NL 144117 B NL144117 B NL 144117B NL 676702816 A NL676702816 A NL 676702816A NL 6702816 A NL6702816 A NL 6702816A NL 144117 B NL144117 B NL 144117B
Authority
NL
Netherlands
Prior art keywords
speaker
Prior art date
Application number
NL676702816A
Other languages
Dutch (nl)
Other versions
NL6702816A (en
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 JP6461866U external-priority patent/JPS459353Y1/ja
Application filed by Nippon Gakki Kk filed Critical Nippon Gakki Kk
Publication of NL6702816A publication Critical patent/NL6702816A/xx
Publication of NL144117B publication Critical patent/NL144117B/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
NL676702816A 1966-04-06 1967-02-23 SPEAKER. NL144117B (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
JP6461866U JPS459353Y1 (en) 1966-07-07 1966-07-07
JP7254766 1966-11-02

Publications (2)

Publication Number Publication Date
NL6702816A NL6702816A (en) 1967-10-09
NL144117B true NL144117B (en) 1974-11-15

Family

ID=27549208

Family Applications (1)

Application Number Title Priority Date Filing Date
NL676702816A NL144117B (en) 1966-04-06 1967-02-23 SPEAKER.

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
GB2435008B (en) * 2001-01-29 2007-11-21 Tannoy Ltd Loudspeaker diaphragm and method of manufacture thereof
KR100842606B1 (en) * 2002-04-12 2008-07-01 엘지전자 주식회사 streamlinedlow distortion diaphragm loud speaker
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
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 (en) * 2016-08-03 2018-02-03 Enrico Ciresa S R L SOUND DIFFUSER ACCESSORY
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 (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
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
BE623239A (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
US3464514A (en) 1969-09-02
NO119596B (en) 1970-06-08
FR1517610A (en) 1968-03-15
AT301644B (en) 1972-09-11
DE1299041B (en) 1969-07-10
NL6702816A (en) 1967-10-09
GB1186722A (en) 1970-04-02
SE342962B (en) 1972-02-21

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: NIPPON GAKKI