FR980378A - Frame counter for device using perforated films - Google Patents
Frame counter for device using perforated filmsInfo
- Publication number
- FR980378A FR980378A FR980378DA FR980378A FR 980378 A FR980378 A FR 980378A FR 980378D A FR980378D A FR 980378DA FR 980378 A FR980378 A FR 980378A
- Authority
- FR
- France
- Prior art keywords
- frame counter
- perforated films
- perforated
- films
- counter
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B1/00—Film strip handling
- G03B1/60—Measuring or indicating length of the used or unused film; Counting number of exposures
- G03B1/66—Counting number of exposures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US980378XA | 1947-03-07 | 1947-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR980378A true FR980378A (en) | 1951-05-11 |
Family
ID=22266475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR980378D Expired FR980378A (en) | 1947-03-07 | 1948-03-05 | Frame counter for device using perforated films |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR980378A (en) |
-
1948
- 1948-03-05 FR FR980378D patent/FR980378A/en not_active Expired
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