FR647687A - Film for recording and reproducing sound and images - Google Patents
Film for recording and reproducing sound and imagesInfo
- Publication number
- FR647687A FR647687A FR647687DA FR647687A FR 647687 A FR647687 A FR 647687A FR 647687D A FR647687D A FR 647687DA FR 647687 A FR647687 A FR 647687A
- Authority
- FR
- France
- Prior art keywords
- images
- recording
- film
- reproducing sound
- reproducing
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/78—Tape carriers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE647687X | 1927-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR647687A true FR647687A (en) | 1928-11-27 |
Family
ID=6581022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR647687D Expired FR647687A (en) | 1927-02-07 | 1928-01-25 | Film for recording and reproducing sound and images |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR647687A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE965665C (en) * | 1952-07-25 | 1957-06-13 | Siemens Ag | Combined optical sound and magnetic sound film, in particular narrow-tone picture film |
-
1928
- 1928-01-25 FR FR647687D patent/FR647687A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE965665C (en) * | 1952-07-25 | 1957-06-13 | Siemens Ag | Combined optical sound and magnetic sound film, in particular narrow-tone picture film |
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