BE464536A - - Google Patents

Info

Publication number
BE464536A
BE464536A BE464536DA BE464536A BE 464536 A BE464536 A BE 464536A BE 464536D A BE464536D A BE 464536DA BE 464536 A BE464536 A BE 464536A
Authority
BE
Belgium
Application number
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 BE464536A publication Critical patent/BE464536A/xx

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
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
BE464536D 1944-05-30 1946-04-12 BE464536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL248861X 1944-05-30

Publications (1)

Publication Number Publication Date
BE464536A true BE464536A (en) 1946-10-12

Family

ID=19780971

Family Applications (1)

Application Number Title Priority Date Filing Date
BE464536D BE464536A (en) 1944-05-30 1946-04-12

Country Status (6)

Country Link
US (1) US2610694A (en)
BE (1) BE464536A (en)
CH (1) CH248861A (en)
DE (1) DE813605C (en)
FR (1) FR929705A (en)
GB (1) GB622401A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2710662A (en) * 1948-12-23 1955-06-14 Armour Res Found Sound projection system
US2701025A (en) * 1952-02-05 1955-02-01 George H Kuhl High fidelity sound system
US2768702A (en) * 1952-02-07 1956-10-30 Lowry Charles Ariel Larmer Sound reproducing systems
US2777902A (en) * 1952-08-19 1957-01-15 Columbia Broadcasting Syst Inc Phonograph cabinet
NL191082B (en) * 1953-10-02 Mirowski Mieczyslaw Implantable automatic cardioverter / defibrillator system.
DE943598C (en) * 1954-02-21 1956-05-24 Max Grundig Radio or news equipment with sound reproduction that appears spacious
US2814354A (en) * 1954-04-19 1957-11-26 Ampex Loud-speaker assembly and system
US2956129A (en) * 1954-08-31 1960-10-11 Rca Corp Stereophonic sound for drive-in theatres
DE1086749B (en) * 1958-02-07 1960-08-11 Grammophon Ges M B H Deutsche Stereophonic playback device
US3052758A (en) * 1959-02-25 1962-09-04 Trix Electrical Co Ltd Column speakers suitable for use in public address systems
US3099183A (en) * 1960-06-09 1963-07-30 Edwin H Alles Mute and reflector for musical wind instruments
US3198007A (en) * 1961-05-23 1965-08-03 Jerry B Overton Acoustic testing chamber
US3153120A (en) * 1961-06-05 1964-10-13 Automatic Canteen Co Stereophonic sound reproduction system
US3166147A (en) * 1962-05-07 1965-01-19 Walter B Udell Loudspeaker system
US3582553A (en) * 1967-12-04 1971-06-01 Bose Corp Loudspeaker system
USRE31228E (en) * 1967-12-04 1983-05-03 Bose Corporation Loudspeaker system
US3679023A (en) * 1968-08-06 1972-07-25 John C Rankin Loudspeaker enclosure
US4332986A (en) * 1980-01-31 1982-06-01 Image Acoustics, Inc. Speaker system employing passive radiator
US5105905A (en) * 1990-05-07 1992-04-21 Rice Winston C Co-linear loudspeaker system
DE19639159C2 (en) * 1996-09-24 1998-09-03 Heinz Juergen Dipl In Augustin Speaker box
US7483543B2 (en) * 2003-01-06 2009-01-27 Motorola, Inc. Stereo imaging manifold and method for use in a portable electronic device
WO2011067060A1 (en) * 2009-12-02 2011-06-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Flat loudspeaker
FR2969894B1 (en) * 2010-12-23 2013-08-09 Texte Edouard Durand ACOUSTIC SPEAKER HAS AT LEAST TWO SPEAKERS

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1932343A (en) * 1932-05-04 1933-10-24 Philadelphia Storage Battery Radio loud speaker cabinet
GB404937A (en) * 1932-07-14 1934-01-15 William Robertson Millar Improvements in sound-modifying devices for loud speakers or the like
US1915954A (en) * 1932-08-25 1933-06-27 Sparkswithington Co Loud speaker system
FR758706A (en) * 1933-07-21 1934-01-22 Improvement of sound reproducers
US2114680A (en) * 1934-12-24 1938-04-19 Rca Corp System for the reproduction of sound
FR790599A (en) * 1935-05-28 1935-11-23 P A Zahlen Improvement in the acoustics of speaking machines
US2217279A (en) * 1938-07-23 1940-10-08 Rca Corp Acoustic apparatus
GB551364A (en) * 1942-01-14 1943-02-18 Philips Nv Improvements in or relating to devices for the stereophonic transmission and reproduction of sound
US2410413A (en) * 1943-02-10 1946-11-05 Albert B Hurley Acoustic tile

Also Published As

Publication number Publication date
GB622401A (en) 1949-05-02
FR929705A (en) 1948-01-06
CH248861A (en) 1947-05-31
US2610694A (en) 1952-09-16
DE813605C (en) 1951-09-13

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