FR823530A - Oscillation recording device - Google Patents
Oscillation recording deviceInfo
- Publication number
- FR823530A FR823530A FR823530DA FR823530A FR 823530 A FR823530 A FR 823530A FR 823530D A FR823530D A FR 823530DA FR 823530 A FR823530 A FR 823530A
- Authority
- FR
- France
- Prior art keywords
- recording device
- oscillation
- oscillation recording
- recording
- 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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Seasonings (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE495124X | 1936-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR823530A true FR823530A (en) | 1938-01-21 |
Family
ID=6544836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR823530D Expired FR823530A (en) | 1936-06-25 | 1937-06-24 | Oscillation recording device |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR823530A (en) |
GB (2) | GB496928A (en) |
-
1937
- 1937-06-22 GB GB15912/38A patent/GB496928A/en not_active Expired
- 1937-06-22 GB GB17378/37A patent/GB495124A/en not_active Expired
- 1937-06-24 FR FR823530D patent/FR823530A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB495124A (en) | 1938-11-08 |
GB496928A (en) | 1938-12-08 |
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