FR2263530A1 - High speed microfilm reader-encoder - has rotary axially movable drum carrying microfilm movable to optical system - Google Patents
High speed microfilm reader-encoder - has rotary axially movable drum carrying microfilm movable to optical systemInfo
- Publication number
- FR2263530A1 FR2263530A1 FR7407715A FR7407715A FR2263530A1 FR 2263530 A1 FR2263530 A1 FR 2263530A1 FR 7407715 A FR7407715 A FR 7407715A FR 7407715 A FR7407715 A FR 7407715A FR 2263530 A1 FR2263530 A1 FR 2263530A1
- Authority
- FR
- France
- Prior art keywords
- microfilm
- optical system
- movable
- encoder
- high speed
- 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.)
- Granted
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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
- G03B21/115—Projectors with built-in or built-on screen for microfilm reading of microfiches
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection-Type Copiers In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7407715A FR2263530A1 (en) | 1974-03-05 | 1974-03-05 | High speed microfilm reader-encoder - has rotary axially movable drum carrying microfilm movable to optical system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7407715A FR2263530A1 (en) | 1974-03-05 | 1974-03-05 | High speed microfilm reader-encoder - has rotary axially movable drum carrying microfilm movable to optical system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2263530A1 true FR2263530A1 (en) | 1975-10-03 |
FR2263530B1 FR2263530B1 (fr) | 1976-06-25 |
Family
ID=9135956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7407715A Granted FR2263530A1 (en) | 1974-03-05 | 1974-03-05 | High speed microfilm reader-encoder - has rotary axially movable drum carrying microfilm movable to optical system |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2263530A1 (fr) |
-
1974
- 1974-03-05 FR FR7407715A patent/FR2263530A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2263530B1 (fr) | 1976-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |