GB622401A - Improvements in or relating to stereophonic reproduction apparatus - Google Patents

Improvements in or relating to stereophonic reproduction apparatus

Info

Publication number
GB622401A
GB622401A GB7577/47A GB757747A GB622401A GB 622401 A GB622401 A GB 622401A GB 7577/47 A GB7577/47 A GB 7577/47A GB 757747 A GB757747 A GB 757747A GB 622401 A GB622401 A GB 622401A
Authority
GB
United Kingdom
Prior art keywords
speakers
relating
sound
reproduction apparatus
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
GB7577/47A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
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 Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB622401A publication Critical patent/GB622401A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
GB7577/47A 1944-05-30 1947-03-19 Improvements in or relating to stereophonic reproduction apparatus Expired GB622401A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB622401A true GB622401A (en) 1949-05-02

Family

ID=19780971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7577/47A Expired GB622401A (en) 1944-05-30 1947-03-19 Improvements in or relating to stereophonic reproduction apparatus

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317532A (en) * 1996-09-24 1998-03-25 Augustin Heinz Jurgen Loudspeaker cabinet

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
NL97567C (enrdf_load_stackoverflow) * 1953-10-02
DE943598C (de) * 1954-02-21 1956-05-24 Max Grundig Rundfunk- oder Nachrichtengeraet mit raeumlich wirkender Tonwiedergabe
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 (de) * 1958-02-07 1960-08-11 Grammophon Ges M B H Deutsche Stereofonische Wiedergabevorrichtung
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
US7483543B2 (en) * 2003-01-06 2009-01-27 Motorola, Inc. Stereo imaging manifold and method for use in a portable electronic device
WO2011067060A1 (de) * 2009-12-02 2011-06-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Flachlautsprecher
FR2969894B1 (fr) * 2010-12-23 2013-08-09 Texte Edouard Durand Enceinte acoustique a au moins deux haut-parleurs
FR3100680B1 (fr) * 2019-09-09 2022-11-04 L Acoustics Dispositif de diffusion sonore a directivite large bande controlee

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 (fr) * 1933-07-21 1934-01-22 Perfectionnement aux reproducteurs de sons
US2114680A (en) * 1934-12-24 1938-04-19 Rca Corp System for the reproduction of sound
FR790599A (fr) * 1935-05-28 1935-11-23 P A Zahlen Perfectionnement à l'acoustique des machines parlantes
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
GB2317532A (en) * 1996-09-24 1998-03-25 Augustin Heinz Jurgen Loudspeaker cabinet
GB2317532B (en) * 1996-09-24 2000-10-04 Augustin Heinz Jurgen Loudspeaker cabinets

Also Published As

Publication number Publication date
US2610694A (en) 1952-09-16
CH248861A (de) 1947-05-31
FR929705A (fr) 1948-01-06
DE813605C (de) 1951-09-13
BE464536A (enrdf_load_stackoverflow) 1946-10-12

Similar Documents

Publication Publication Date Title
GB622401A (en) Improvements in or relating to stereophonic reproduction apparatus
GB1083467A (en) Loudspeaker arrangement for stereophonic sound reproduction
GB486038A (en) Improvements in or relating to sound radiating systems
GB968480A (en) Stereophonic loudspeaker system
GB851938A (en) Improvements in and relating to electro-acoustical transducers
GB735402A (en) Improvements in or relating to television receivers
GB513940A (en) Improvements in and relating to horn type loud speakers
JPS5546646A (en) Speaker system
JPS5441102A (en) Signal converting circuit
GB641668A (en) Sound reproduction devices
JPS5552694A (en) Speaker system
GB615481A (en) Improvements in or relating to apparatus for stereophonic sound reproduction
GB820307A (en) Improvements in or relating to loudspeaker enclosures
JPS5221802A (en) Three dimensional space sound reproduction system
GB1410772A (en) Audio frequency signal changing circuits
GB1259512A (enrdf_load_stackoverflow)
JPS5427420A (en) Multiway speaker device
JPS51122403A (en) Stereo playback system
JPS5268401A (en) Headphone and listening device for listening 4 channel sound signals
JPS5413321A (en) Multi-way speaker system
GB936449A (en) Improvements in or relating to sound reproducing arrangements
GB932738A (en) Improvements in or relating to sound reproduction apparatus
JPS547901A (en) Acoustic system
JPS5624885A (en) Audio muting circuit
JPS5636210A (en) Graphic equalizer