FR928176A - Diaphragm for dynamic loudspeakers - Google Patents
Diaphragm for dynamic loudspeakersInfo
- Publication number
- FR928176A FR928176A FR928176DA FR928176A FR 928176 A FR928176 A FR 928176A FR 928176D A FR928176D A FR 928176DA FR 928176 A FR928176 A FR 928176A
- Authority
- FR
- France
- Prior art keywords
- diaphragm
- dynamic loudspeakers
- loudspeakers
- dynamic
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR928176T | 1946-05-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR928176A true FR928176A (en) | 1947-11-20 |
Family
ID=9441569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR928176D Expired FR928176A (en) | 1946-05-15 | 1946-05-15 | Diaphragm for dynamic loudspeakers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR928176A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE940996C (en) * | 1951-12-05 | 1956-03-29 | Gen Electric Co Ltd | Loudspeaker with cone membrane |
DE1018466B (en) * | 1956-08-06 | 1957-10-31 | Isophon Werke Ges Mit Beschrae | Oval speaker cone |
US3180945A (en) * | 1961-09-22 | 1965-04-27 | Wm H Welsh Co Inc | Loudspeaker |
US3221834A (en) * | 1963-05-09 | 1965-12-07 | Hawley Products Co | Acoustic diaphragm |
US4146756A (en) * | 1977-01-28 | 1979-03-27 | Hitachi, Ltd. | Moving voice coil transducer with diaphragm having concentric sections of opposite curvature |
WO1988002977A1 (en) * | 1985-04-17 | 1988-04-21 | Claes Malmqvist | Arrangement in loud speakers |
-
1946
- 1946-05-15 FR FR928176D patent/FR928176A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE940996C (en) * | 1951-12-05 | 1956-03-29 | Gen Electric Co Ltd | Loudspeaker with cone membrane |
DE1018466B (en) * | 1956-08-06 | 1957-10-31 | Isophon Werke Ges Mit Beschrae | Oval speaker cone |
US3180945A (en) * | 1961-09-22 | 1965-04-27 | Wm H Welsh Co Inc | Loudspeaker |
US3221834A (en) * | 1963-05-09 | 1965-12-07 | Hawley Products Co | Acoustic diaphragm |
US4146756A (en) * | 1977-01-28 | 1979-03-27 | Hitachi, Ltd. | Moving voice coil transducer with diaphragm having concentric sections of opposite curvature |
WO1988002977A1 (en) * | 1985-04-17 | 1988-04-21 | Claes Malmqvist | Arrangement in loud speakers |
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