FR714232A - Haut-parleur électromagnétique - Google Patents
Haut-parleur électromagnétiqueInfo
- Publication number
- FR714232A FR714232A FR714232DA FR714232A FR 714232 A FR714232 A FR 714232A FR 714232D A FR714232D A FR 714232DA FR 714232 A FR714232 A FR 714232A
- 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR714232T | 1930-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR714232A true FR714232A (fr) | 1931-11-10 |
Family
ID=9086407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR714232D Expired FR714232A (fr) | 1930-06-30 | 1930-06-30 | Haut-parleur électromagnétique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR714232A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE907535C (de) * | 1937-03-19 | 1954-03-25 | Erich Thienhaus Dr Ing | Lautsprecher mit einer in unmittelbarer, durch die Amplituden der Membran bedingter Naehe der Membranflaeche angebrachten Daempfungsvorrichtung |
-
1930
- 1930-06-30 FR FR714232D patent/FR714232A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE907535C (de) * | 1937-03-19 | 1954-03-25 | Erich Thienhaus Dr Ing | Lautsprecher mit einer in unmittelbarer, durch die Amplituden der Membran bedingter Naehe der Membranflaeche angebrachten Daempfungsvorrichtung |
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