Vertically scanning microfilm reader and reader/printer

Details Vertically scanning microfilm reader and reader/printer Vertically scanning microfilm reader and reader/printer

G - Physics

03

B

88/72

G03B 21/10 (2006.01) G03B 21/11 (2006.01)

Patent

CA 1072380

` VERTICALLY SCANNING MICROFILM READER Abstract of Disclosure The inventive microfilm reader and reader-printer has a film gate which is anchored to the chassis of the reader or reader-printer and which is entirely separate from a light system, lens mount, and focusing system which float up and down with respect to the film gate and chassis. The floating system is mounted on an elevator mechanism which lifts or lowers it relative to the film gate to scan across the width of the film. A prism is included in the lens system to rotate and vertically align the projected image. A combination of the movements of the elevator mechanism and prism enables any vertical segment of the microfilm to be scanned, selected, and read in a vertical orientation.

274911

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