BE829157A - DIRECTIVE ACOUSTIC LOUDSPEAKER - Google Patents

DIRECTIVE ACOUSTIC LOUDSPEAKER

Info

Publication number
BE829157A
BE829157A BE2054348A BE2054348A BE829157A BE 829157 A BE829157 A BE 829157A BE 2054348 A BE2054348 A BE 2054348A BE 2054348 A BE2054348 A BE 2054348A BE 829157 A BE829157 A BE 829157A
Authority
BE
Belgium
Prior art keywords
acoustic loudspeaker
directive
directive acoustic
loudspeaker
acoustic
Prior art date
Application number
BE2054348A
Other languages
French (fr)
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 filed Critical
Publication of BE829157A publication Critical patent/BE829157A/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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/025—Transducer mountings or cabinet supports enabling variable orientation of transducer of cabinet
BE2054348A 1974-05-20 1975-05-16 DIRECTIVE ACOUSTIC LOUDSPEAKER BE829157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US471267A US3903989A (en) 1974-05-20 1974-05-20 Directional loudspeaker

Publications (1)

Publication Number Publication Date
BE829157A true BE829157A (en) 1975-11-17

Family

ID=23870935

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2054348A BE829157A (en) 1974-05-20 1975-05-16 DIRECTIVE ACOUSTIC LOUDSPEAKER

Country Status (9)

Country Link
US (1) US3903989A (en)
JP (1) JPS5616998B2 (en)
AU (1) AU8009975A (en)
BE (1) BE829157A (en)
DE (1) DE2521950A1 (en)
FR (1) FR2272563A1 (en)
GB (1) GB1499407A (en)
LU (1) LU72503A1 (en)
NL (1) NL7504014A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE387511B (en) * 1973-08-24 1976-09-06 S Carlsson SPEAKERS FOR USE IN STEROPHONIC SOUND DISPLAY, AS WELL AS TWO SUCH SPEAKERS EXISTING SPEAKERS
US4054750A (en) * 1976-06-18 1977-10-18 Ralph Montgomery Full range rotatable speaker housing with oppositely directed speakers
FR2413839A1 (en) * 1977-12-29 1979-07-27 Setton Jack HI=FI system loudspeaker arrangement - has fixed LF loud speaker and pivoting medium and/or HF loudspeaker(s) on parallel axes
DE3034522C2 (en) * 1979-09-14 1983-11-03 Pioneer Electronic Corp., Tokyo Loudspeaker unit for automobiles
US4598789A (en) * 1982-04-19 1986-07-08 Temporal Dynamics Research, Inc. Sound reproducing
US4466505A (en) * 1982-04-19 1984-08-21 Temporal Dynamics Research, Inc. Sound reproducing combination
JPS59101334A (en) * 1982-11-30 1984-06-11 Yoshida Kogyo Kk <Ykk> Apparatus for producing slide fastener chain with synthetic teeth
US4621708A (en) * 1984-08-20 1986-11-11 Bose Corporation Tweeter bidirectional radiating
US4742548A (en) * 1984-12-20 1988-05-03 American Telephone And Telegraph Company Unidirectional second order gradient microphone
JPS62282783A (en) * 1986-05-31 1987-12-08 Mitsubishi Electric Corp Connection method for metal strip and its device
DE3823482A1 (en) * 1988-07-11 1990-01-25 Bartsch Klaus Loudspeaker arrangement
US4953223A (en) * 1988-09-08 1990-08-28 Householder George G Speaker mounting system
DE3915205A1 (en) * 1989-05-10 1990-11-15 Magnat Electronik Gmbh & Co Kg Loudspeaker housing - has individual auxiliary loudspeakers supported within auxiliary housing units attached to sides of main loudspeaker unit
DE3915204A1 (en) * 1989-05-10 1990-11-15 Magnat Electronik Gmbh & Co Kg Loudspeaker housing - has auxiliary individual loudspeakers pivoted about axis adjacent edge of front panel
EP1050191A4 (en) * 1998-01-07 2006-07-26 New Transducers Ltd Thin loudspeaker
GB2350964B (en) * 1999-06-10 2001-08-22 Stefan Gamble Loudspeaker driver high frequency central imaging system
GB0219244D0 (en) * 2002-08-17 2002-09-25 Kh Technology Corp Loudspeaker system
US8139797B2 (en) * 2002-12-03 2012-03-20 Bose Corporation Directional electroacoustical transducing
US7676047B2 (en) * 2002-12-03 2010-03-09 Bose Corporation Electroacoustical transducing with low frequency augmenting devices
GB2425436B (en) * 2005-04-21 2007-06-06 Martin Audio Ltd Acoustic loading device for loudspeakers
EP2043381A3 (en) * 2007-09-28 2010-07-21 Bang & Olufsen A/S A method and a system to adjust the acoustical performance of a loudspeaker
US20100177921A1 (en) * 2009-01-14 2010-07-15 Richard Bos Response speaker system
US8116499B2 (en) * 2009-01-23 2012-02-14 John Grant Microphone adaptor for altering the geometry of a microphone without altering its frequency response characteristics
EP2637417A1 (en) * 2012-03-07 2013-09-11 RE-Speakers Housing for dipole loudspeaker, method for manufacturing said housing and dipole loudspeaker
US20160173986A1 (en) * 2014-12-15 2016-06-16 Gary Lloyd Fox Ultra-low distortion integrated loudspeaker system
JP6741247B2 (en) * 2016-04-29 2020-08-19 ブルメスター オーディオシステム ゲーエムベーハー Speaker

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE868921C (en) * 1949-06-05 1953-03-02 Siemens Ag Loudspeaker combination with differently tuned individual loudspeakers, e.g. B. Tweeter and woofer
US2927657A (en) * 1958-01-29 1960-03-08 Louis J Patla Loud speaker system
US3491204A (en) * 1967-05-12 1970-01-20 Stanley A Sherno Sound system circuit and cabinet assembly
US3483945A (en) * 1967-08-28 1969-12-16 Musitronic Inc Omnidirectional sound system
DE2159068C2 (en) * 1970-11-30 1982-12-30 Pioneer Electronic Corp., Tokyo Speaker device
JPS4863714A (en) * 1971-11-25 1973-09-04
JPS4878825U (en) * 1971-12-28 1973-09-28

Also Published As

Publication number Publication date
AU8009975A (en) 1976-10-21
DE2521950A1 (en) 1975-12-11
US3903989A (en) 1975-09-09
LU72503A1 (en) 1976-03-17
NL7504014A (en) 1975-11-24
JPS5616998B2 (en) 1981-04-20
JPS51326A (en) 1976-01-06
GB1499407A (en) 1978-02-01
FR2272563A1 (en) 1975-12-19

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