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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL248861X | 1944-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE464536A true BE464536A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1946-10-12 |
Family
ID=19780971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE464536D BE464536A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1944-05-30 | 1946-04-12 |
Country Status (6)
Families Citing this family (24)
| 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 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 |
| USRE31228E (en) * | 1967-12-04 | 1983-05-03 | Bose Corporation | Loudspeaker system |
| US3582553A (en) * | 1967-12-04 | 1971-06-01 | Bose Corp | 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 (de) * | 1996-09-24 | 1998-09-03 | Heinz Juergen Dipl In Augustin | Lautsprecherbox |
| 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)
| 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 |
-
1946
- 1946-03-23 CH CH248861D patent/CH248861A/de 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/fr not_active Expired
-
1947
- 1947-03-19 GB GB7577/47A patent/GB622401A/en not_active Expired
-
1948
- 1948-11-05 DE DEP20702A patent/DE813605C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR929705A (fr) | 1948-01-06 |
| DE813605C (de) | 1951-09-13 |
| CH248861A (de) | 1947-05-31 |
| US2610694A (en) | 1952-09-16 |
| GB622401A (en) | 1949-05-02 |