CH248861A - Stereophonic player. - Google Patents

Stereophonic player.

Info

Publication number: CH248861A
Authority: CH; Switzerland
Prior art keywords: stereophonic; player; stereophonic player
Prior art date: 1944-05-30

Application number

Other languages

German (de)

Inventor

Gloeilampenfabrieken N Philips

Original Assignee

Philips 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.)

1944-05-30

Filing date

1946-03-23

Publication date

1947-05-31

1946-03-23 Application filed by Philips Nv filed Critical Philips Nv

1947-05-31 Publication of CH248861A publication Critical patent/CH248861A/en

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)

CH248861D 1944-05-30 1946-03-23 Stereophonic player. CH248861A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
CH248861A true CH248861A (en)	1947-05-31

Family

ID=19780971

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH248861D CH248861A (en)	1944-05-30	1946-03-23	Stereophonic player.

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 (24)

* 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 (en) *	1953-10-02
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
KR101479823B1 (en) *	2009-12-02	2015-01-06	프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베.	Flat loudspeaker
FR2969894B1 (en) *	2010-12-23	2013-08-09	Texte Edouard Durand	ACOUSTIC SPEAKER HAS AT LEAST TWO SPEAKERS
FR3100680B1 (en) *	2019-09-09	2022-11-04	L Acoustics	SOUND DIFFUSION DEVICE WITH CONTROLLED BROADBAND DIRECTIVITY

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

1946
- 1946-03-23 CH CH248861D patent/CH248861A/en unknown
- 1946-04-08 US US660324A patent/US2610694A/en not_active Expired - Lifetime
- 1946-04-12 BE BE464536D patent/BE464536A/xx unknown
- 1946-06-24 FR FR929705D patent/FR929705A/en not_active Expired
1947
- 1947-03-19 GB GB7577/47A patent/GB622401A/en not_active Expired
1948
- 1948-11-05 DE DEP20702A patent/DE813605C/en not_active Expired

Also Published As

Publication number	Publication date
GB622401A (en)	1949-05-02
BE464536A (en)	1946-10-12
FR929705A (en)	1948-01-06
US2610694A (en)	1952-09-16
DE813605C (en)	1951-09-13

Publication	Publication Date	Title
CH248861A (en)	1947-05-31	Stereophonic player.
CH250397A (en)	1947-08-31	Stylograph.
CH246017A (en)	1946-12-15	Stylograph.
CH241204A (en)	1946-02-28	Insole.
AT171545B (en)	1952-06-10	Stereophonic player
CH240342A (en)	1945-12-15	Plane.
DK69756C (en)	1949-08-15	Stereophonic reproducing apparatus.
ES9853Y (en)	1945-07-01	Toy.
ES10030Y (en)	1945-09-16	Toy.
CH242645A (en)	1946-05-31	Toy.
CH259151A (en)	1949-01-15	Toy.
DK66577C (en)	1948-04-05	Racket.
DK68570C (en)	1949-02-14	Dice.
DK64279C (en)	1946-02-04	Rambuk.
ES10084Y (en)	1945-07-16	Purse-wallet.
DK64376C (en)	1946-04-01	Murbinder.
DK64710C (en)	1946-08-19	François-Kam.
DK65445C (en)	1947-02-24	Priklepotte.
DK66728C (en)	1948-05-03	Kanaldyne.
DK67603C (en)	1948-09-13	Sybekækken.
DK68881C (en)	1949-04-11	Blebukser.
DK69844C (en)	1949-09-05	Melsilo.
ES9954Y (en)	1945-07-16	Board-folder.
ES10109Y (en)	1945-07-16	Shirt-briefs.
ES10166Y (en)	1945-07-16	Secafirmas.