FR614077A - Haut-parleur électromagnétique - Google Patents
Haut-parleur électromagnétiqueInfo
- Publication number
- FR614077A FR614077A FR614077DA FR614077A FR 614077 A FR614077 A FR 614077A FR 614077D A FR614077D A FR 614077DA FR 614077 A FR614077 A FR 614077A
- Authority
- FR
- France
- Prior art keywords
- electromagnetic speaker
- speaker
- electromagnetic
- 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 |
---|---|---|---|
FR614077T | 1926-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR614077A true FR614077A (fr) | 1926-12-06 |
Family
ID=8979952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR614077D Expired FR614077A (fr) | 1926-04-03 | 1926-04-03 | Haut-parleur électromagnétique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR614077A (fr) |
-
1926
- 1926-04-03 FR FR614077D patent/FR614077A/fr not_active Expired
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