IN172218B - - Google Patents

Info

Publication number
IN172218B
IN172218B IN118/DEL/88A IN118DE1988A IN172218B IN 172218 B IN172218 B IN 172218B IN 118DE1988 A IN118DE1988 A IN 118DE1988A IN 172218 B IN172218 B IN 172218B
Authority
IN
India
Application number
IN118/DEL/88A
Other languages
English (en)
Inventor
Fang Jimmy
Tsung Hou Fei Peter
Original Assignee
Fang Jimmy
Tsung Hou Fei Peter
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 Fang Jimmy, Tsung Hou Fei Peter filed Critical Fang Jimmy
Publication of IN172218B publication Critical patent/IN172218B/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2884—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
    • H04R1/2888—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
IN118/DEL/88A 1988-02-11 1988-02-11 IN172218B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/154,202 US4898260A (en) 1988-02-11 1988-02-11 Loudspeaker mounting with integral back wave filter and wave modulating plate of same design

Publications (1)

Publication Number Publication Date
IN172218B true IN172218B (zh) 1993-05-08

Family

ID=22550411

Family Applications (1)

Application Number Title Priority Date Filing Date
IN118/DEL/88A IN172218B (zh) 1988-02-11 1988-02-11

Country Status (2)

Country Link
US (1) US4898260A (zh)
IN (1) IN172218B (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930004804B1 (ko) * 1990-12-27 1993-06-08 최범택 스피커
US5393940A (en) * 1991-11-29 1995-02-28 The United States Of America As Represented By The Secretary Of Commerce Apparatus and method for reducing acoustic or electromagnetic energy in the vicinity of a source
US6510919B1 (en) 2000-08-30 2003-01-28 Awi Licensing Company Facing system for a flat panel radiator
US6763117B2 (en) 2001-09-27 2004-07-13 Barry Goldslager Speaker enclosure
FR2885759B1 (fr) * 2005-05-10 2007-07-27 Antoine Ramondou Ventilateur d'ondes acoustiques
US8630435B2 (en) * 2008-08-08 2014-01-14 Nokia Corporation Apparatus incorporating an adsorbent material, and methods of making same
USD776086S1 (en) * 2014-04-23 2017-01-10 Martin Audio Limited Loudspeaker
JP1610926S (zh) * 2017-10-13 2018-08-13
JP1625749S (zh) * 2018-06-06 2019-03-04
USD1003864S1 (en) * 2019-04-01 2023-11-07 Alpine Electronics, Inc. Speaker surround
USD1001784S1 (en) * 2019-04-01 2023-10-17 Alpine Electronics, Inc. Speaker surround

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2069242A (en) * 1933-01-19 1937-02-02 George A Graham Electroacoustic energy converting system
US3684051A (en) * 1970-10-08 1972-08-15 Herbert J Hopkins Acoustic duct speaker system
US4525817A (en) * 1982-08-27 1985-06-25 Nippon Gakki Seizo Kabushiki Kaisha Acoustic resistor in an electroacoustic transducer

Also Published As

Publication number Publication date
US4898260A (en) 1990-02-06

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