GB1488541A - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
GB1488541A
GB1488541A GB3072775A GB3072775A GB1488541A GB 1488541 A GB1488541 A GB 1488541A GB 3072775 A GB3072775 A GB 3072775A GB 3072775 A GB3072775 A GB 3072775A GB 1488541 A GB1488541 A GB 1488541A
Authority
GB
United Kingdom
Prior art keywords
varnish
diaphragm
strips
zones
annular
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
GB3072775A
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.)
REHDE J
REHDE W
Original Assignee
REHDE J
REHDE W
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
Application filed by REHDE J, REHDE W filed Critical REHDE J
Publication of GB1488541A publication Critical patent/GB1488541A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • 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
    • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB3072775A 1974-08-12 1975-07-23 Loudspeaker Expired GB1488541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7427923A FR2282203A1 (fr) 1974-08-12 1974-08-12 Haut-parleur

Publications (1)

Publication Number Publication Date
GB1488541A true GB1488541A (en) 1977-10-12

Family

ID=9142345

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3072775A Expired GB1488541A (en) 1974-08-12 1975-07-23 Loudspeaker

Country Status (3)

Country Link
DE (1) DE2534062A1 (ru)
FR (1) FR2282203A1 (ru)
GB (1) GB1488541A (ru)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005107315A1 (en) 2004-04-29 2005-11-10 Koninklijke Philips Electronics N.V. Diaphragm for a loudspeaker with a moving coil
EP1742502A1 (en) * 2004-05-27 2007-01-10 Matsushita Electric Industrial Co., Ltd. Speaker
US7866439B2 (en) 2005-05-25 2011-01-11 Nxp B.V. Membrane for an electroacoustic transducer
WO2011104624A1 (en) * 2010-02-26 2011-09-01 Pss Belgium N.V. Mass loading for piston loudspeakers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2070390B (en) * 1980-02-21 1985-08-07 Rank Organisation Ltd Loudspeaker diaphragm

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1872583A (en) * 1930-10-20 1932-08-16 Jesse B Hawley Sound producing diaphragm and method of making same
US2207240A (en) * 1938-02-12 1940-07-09 Cinaudagraph Corp Sound reproducing apparatus
DE902260C (de) * 1949-09-22 1954-01-21 Eberhard Vollmer Formmembran
NL281021A (ru) * 1961-07-19
FR1486847A (fr) * 1965-07-16 1967-06-30 Philips Nv Transducteur électrodynamique
GB1162133A (en) * 1965-09-11 1969-08-20 Emi Ltd Improvements relating to the manufacture of Loudspeakers

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005107315A1 (en) 2004-04-29 2005-11-10 Koninklijke Philips Electronics N.V. Diaphragm for a loudspeaker with a moving coil
US7416047B2 (en) 2004-04-29 2008-08-26 Ewald Frasl Diaphragm for a loudspeaker with a moving coil
EP1742502A1 (en) * 2004-05-27 2007-01-10 Matsushita Electric Industrial Co., Ltd. Speaker
EP1742502A4 (en) * 2004-05-27 2010-08-04 Panasonic Corp SPEAKER
US7899204B2 (en) 2004-05-27 2011-03-01 Panasonic Corporation Speaker
US7866439B2 (en) 2005-05-25 2011-01-11 Nxp B.V. Membrane for an electroacoustic transducer
US7946378B2 (en) 2005-05-25 2011-05-24 Nxp B.V. Membrane for an electroacoustic transducer
WO2011104624A1 (en) * 2010-02-26 2011-09-01 Pss Belgium N.V. Mass loading for piston loudspeakers
US8695753B2 (en) 2010-02-26 2014-04-15 Pss Belgium Nv Mass loading for piston loudspeakers

Also Published As

Publication number Publication date
DE2534062A1 (de) 1976-07-08
FR2282203A1 (fr) 1976-03-12
FR2282203B1 (ru) 1978-10-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee