FR929705A - Stereophonic reproduction device - Google Patents

Stereophonic reproduction device

Info

Publication number
FR929705A
FR929705A FR929705DA FR929705A FR 929705 A FR929705 A FR 929705A FR 929705D A FR929705D A FR 929705DA FR 929705 A FR929705 A FR 929705A
Authority
FR
France
Prior art keywords
reproduction device
stereophonic reproduction
stereophonic
reproduction
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
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR929705A publication Critical patent/FR929705A/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
    • 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
FR929705D 1944-05-30 1946-06-24 Stereophonic reproduction device Expired FR929705A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR929705A true FR929705A (en) 1948-01-06

Family

ID=19780971

Family Applications (1)

Application Number Title Priority Date Filing Date
FR929705D Expired FR929705A (en) 1944-05-30 1946-06-24 Stereophonic reproduction device

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2701025A (en) * 1952-02-05 1955-02-01 George H Kuhl High fidelity sound system
US5105905A (en) * 1990-05-07 1992-04-21 Rice Winston C Co-linear loudspeaker system

Families Citing this family (21)

* 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
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
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
JP5528569B2 (en) * 2009-12-02 2014-06-25 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ Flat speaker
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2701025A (en) * 1952-02-05 1955-02-01 George H Kuhl High fidelity sound system
US5105905A (en) * 1990-05-07 1992-04-21 Rice Winston C Co-linear loudspeaker system

Also Published As

Publication number Publication date
US2610694A (en) 1952-09-16
BE464536A (en) 1946-10-12
CH248861A (en) 1947-05-31
GB622401A (en) 1949-05-02
DE813605C (en) 1951-09-13

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