FR1025702A - Electro-acoustic device applicable to all t stations. s. f. and electric radio furniture - Google Patents
Electro-acoustic device applicable to all t stations. s. f. and electric radio furnitureInfo
- Publication number
- FR1025702A FR1025702A FR1025702DA FR1025702A FR 1025702 A FR1025702 A FR 1025702A FR 1025702D A FR1025702D A FR 1025702DA FR 1025702 A FR1025702 A FR 1025702A
- Authority
- FR
- France
- Prior art keywords
- furniture
- electro
- stations
- acoustic device
- device applicable
- 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
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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1025702T | 1950-10-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1025702A true FR1025702A (en) | 1953-04-20 |
Family
ID=9579628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1025702D Expired FR1025702A (en) | 1950-10-07 | 1950-10-07 | Electro-acoustic device applicable to all t stations. s. f. and electric radio furniture |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1025702A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2880817A (en) * | 1953-10-28 | 1959-04-07 | Pickard & Burns Inc | Loudspeaker system |
US3327808A (en) * | 1965-06-10 | 1967-06-27 | Dyna Empire Inc | Loud speaker housing |
FR2579400A1 (en) * | 1982-09-29 | 1986-09-26 | Bose Corp | PRESSURE WAVE TRANSMISSION SYSTEM, NOTABLY APPLICABLE TO LOUDSPEAKERS |
-
1950
- 1950-10-07 FR FR1025702D patent/FR1025702A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2880817A (en) * | 1953-10-28 | 1959-04-07 | Pickard & Burns Inc | Loudspeaker system |
US3327808A (en) * | 1965-06-10 | 1967-06-27 | Dyna Empire Inc | Loud speaker housing |
FR2579400A1 (en) * | 1982-09-29 | 1986-09-26 | Bose Corp | PRESSURE WAVE TRANSMISSION SYSTEM, NOTABLY APPLICABLE TO LOUDSPEAKERS |
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