FR789279A - Triple aperture acoustic amplifier for loudspeakers - Google Patents
Triple aperture acoustic amplifier for loudspeakersInfo
- Publication number
- FR789279A FR789279A FR789279DA FR789279A FR 789279 A FR789279 A FR 789279A FR 789279D A FR789279D A FR 789279DA FR 789279 A FR789279 A FR 789279A
- Authority
- FR
- France
- Prior art keywords
- loudspeakers
- acoustic amplifier
- aperture acoustic
- triple aperture
- triple
- 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
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 |
---|---|---|---|
FR789279T | 1935-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR789279A true FR789279A (en) | 1935-10-25 |
Family
ID=9220001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR789279D Expired FR789279A (en) | 1935-04-26 | 1935-04-26 | Triple aperture acoustic amplifier for loudspeakers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR789279A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE968490C (en) * | 1949-06-05 | 1958-02-27 | Siemens Ag | Loudspeaker group arrangement consisting of several loudspeakers built in a row in a common slat-like baffle |
US2880817A (en) * | 1953-10-28 | 1959-04-07 | Pickard & Burns Inc | Loudspeaker system |
US3097720A (en) * | 1960-09-20 | 1963-07-16 | Jr George H Taylor | Acoustical enclosure and low frequency sound amplifier for a loudspeaker |
-
1935
- 1935-04-26 FR FR789279D patent/FR789279A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE968490C (en) * | 1949-06-05 | 1958-02-27 | Siemens Ag | Loudspeaker group arrangement consisting of several loudspeakers built in a row in a common slat-like baffle |
US2880817A (en) * | 1953-10-28 | 1959-04-07 | Pickard & Burns Inc | Loudspeaker system |
US3097720A (en) * | 1960-09-20 | 1963-07-16 | Jr George H Taylor | Acoustical enclosure and low frequency sound amplifier for a loudspeaker |
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