FR53022E - Micro-pendulum-amplifier - Google Patents
Micro-pendulum-amplifierInfo
- Publication number
- FR53022E FR53022E FR53022DA FR53022E FR 53022 E FR53022 E FR 53022E FR 53022D A FR53022D A FR 53022DA FR 53022 E FR53022 E FR 53022E
- Authority
- FR
- France
- Prior art keywords
- pendulum
- amplifier
- micro
- 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
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
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 |
|---|---|---|---|
| FR53022T | 1943-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR53022E true FR53022E (en) | 1945-09-06 |
Family
ID=8687624
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR895682D Expired FR895682A (en) | 1943-07-05 | 1943-06-28 | Micro-pendulum-amplifier |
| FR53022D Expired FR53022E (en) | 1943-07-05 | 1943-07-05 | Micro-pendulum-amplifier |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR895682D Expired FR895682A (en) | 1943-07-05 | 1943-06-28 | Micro-pendulum-amplifier |
Country Status (1)
| Country | Link |
|---|---|
| FR (2) | FR895682A (en) |
-
1943
- 1943-06-28 FR FR895682D patent/FR895682A/en not_active Expired
- 1943-07-05 FR FR53022D patent/FR53022E/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR895682A (en) | 1945-01-31 |
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