FR816241A - Appareil photo-acoustique - Google Patents
Appareil photo-acoustiqueInfo
- Publication number
- FR816241A FR816241A FR816241DA FR816241A FR 816241 A FR816241 A FR 816241A FR 816241D A FR816241D A FR 816241DA FR 816241 A FR816241 A FR 816241A
- Authority
- FR
- France
- Prior art keywords
- acoustics
- camera
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US816241XA | 1936-02-29 | 1936-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR816241A true FR816241A (fr) | 1937-08-03 |
Family
ID=22165315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR816241D Expired FR816241A (fr) | 1936-02-29 | 1937-01-12 | Appareil photo-acoustique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR816241A (fr) |
-
1937
- 1937-01-12 FR FR816241D patent/FR816241A/fr not_active Expired
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