BE749737A - OMNIDIRECTIONAL SPEAKER SYSTEM - Google Patents
OMNIDIRECTIONAL SPEAKER SYSTEMInfo
- Publication number
- BE749737A BE749737A BE749737DA BE749737A BE 749737 A BE749737 A BE 749737A BE 749737D A BE749737D A BE 749737DA BE 749737 A BE749737 A BE 749737A
- Authority
- BE
- Belgium
- Prior art keywords
- speaker system
- omnidirectional speaker
- omnidirectional
- speaker
- Prior art date
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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88483069A | 1969-12-15 | 1969-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE749737A true BE749737A (en) | 1970-10-01 |
Family
ID=25385503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE749737D BE749737A (en) | 1969-12-15 | 1970-04-29 | OMNIDIRECTIONAL SPEAKER SYSTEM |
Country Status (7)
Country | Link |
---|---|
US (1) | US3590942A (en) |
AU (1) | AU1588270A (en) |
BE (1) | BE749737A (en) |
DE (1) | DE2045610A1 (en) |
FR (1) | FR2068810B3 (en) |
GB (1) | GB1269005A (en) |
NL (1) | NL7012554A (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE31228E (en) * | 1967-12-04 | 1983-05-03 | Bose Corporation | Loudspeaker system |
US3727004A (en) * | 1967-12-04 | 1973-04-10 | Bose Corp | Loudspeaker system |
US3720787A (en) * | 1970-03-28 | 1973-03-13 | Victor Company Of Japan | Omni-directional globular speaker system |
US3818138A (en) * | 1971-07-26 | 1974-06-18 | A Sperrazza | Barrel shaped speaker enclosure |
US3923123A (en) * | 1972-11-10 | 1975-12-02 | Latimer Sayer Laurence | Sound reproducing apparatus |
DE2435944C3 (en) * | 1974-07-25 | 1985-07-18 | Poensgen, Karl Otto, 8000 München | Hi-Fi speaker box |
NL8802488A (en) * | 1988-10-11 | 1990-05-01 | Rob Jurrien Oliemuller | SPEAKER BOX. |
FR2668015B1 (en) * | 1990-10-16 | 1993-07-30 | Piccfaluga Pierre | METHOD FOR IMPROVING THE QUALITY OF THE RESTORATION OF A SOUND ATMOSPHERE, AND IMPLEMENTATION APPARATUS COMPRISING AT LEAST ONE SPEAKER EMITTING IN THREE DIRECTIONS. |
US5268538A (en) * | 1991-06-12 | 1993-12-07 | Sonic Systems, Inc. | Hemispherically wide-radiating-angle loudspeaker system |
US8175304B1 (en) * | 2008-02-12 | 2012-05-08 | North Donald J | Compact loudspeaker system |
US20100246880A1 (en) * | 2009-03-30 | 2010-09-30 | Oxford J Craig | Method and apparatus for enhanced stimulation of the limbic auditory response |
HU229608B1 (en) * | 2011-10-04 | 2014-03-28 | Zoltan Bay | Loudspeaker |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL298920A (en) * | 1962-10-12 | |||
US3268030A (en) * | 1965-04-13 | 1966-08-23 | Finn H Magnus | Acoustic system |
US3393764A (en) * | 1966-12-27 | 1968-07-23 | Curtiss R. Schafer | Loudspeaker systems |
-
1969
- 1969-12-15 US US884830A patent/US3590942A/en not_active Expired - Lifetime
-
1970
- 1970-04-16 GB GB08265/70A patent/GB1269005A/en not_active Expired
- 1970-04-29 BE BE749737D patent/BE749737A/en unknown
- 1970-06-03 AU AU15882/70A patent/AU1588270A/en not_active Expired
- 1970-08-25 NL NL7012554A patent/NL7012554A/xx unknown
- 1970-09-09 DE DE19702045610 patent/DE2045610A1/en active Pending
- 1970-09-29 FR FR707035233A patent/FR2068810B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2068810B3 (en) | 1973-08-10 |
DE2045610A1 (en) | 1971-06-24 |
US3590942A (en) | 1971-07-06 |
NL7012554A (en) | 1971-06-17 |
GB1269005A (en) | 1972-03-29 |
FR2068810A7 (en) | 1971-09-03 |
AU1588270A (en) | 1971-12-09 |
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