FR938087A - Transformateur électro-acoustique - Google Patents
Transformateur électro-acoustiqueInfo
- Publication number
- FR938087A FR938087A FR938087DA FR938087A FR 938087 A FR938087 A FR 938087A FR 938087D A FR938087D A FR 938087DA FR 938087 A FR938087 A FR 938087A
- Authority
- FR
- France
- Prior art keywords
- electro
- acoustic transformer
- acoustic
- transformer
- 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
- H04R11/00—Transducers of moving-armature or moving-core type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH938087X | 1946-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR938087A true FR938087A (fr) | 1948-09-03 |
Family
ID=4549268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR938087D Expired FR938087A (fr) | 1946-01-19 | 1946-12-31 | Transformateur électro-acoustique |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH259866A (fr) |
| FR (1) | FR938087A (fr) |
-
1946
- 1946-01-19 CH CH259866D patent/CH259866A/de unknown
- 1946-12-31 FR FR938087D patent/FR938087A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH259866A (de) | 1949-02-15 |
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