Laser microfilm recorder

Details Laser microfilm recorder Laser microfilm recorder

B - Operations, Transporting

41

B

314/43, 88/96.8

B41B 17/14 (2006.01)

Patent

CA 1055561

LASER MICROFILM RECORDER ABSTRACT OF THE DISCLOSURE An optical printer system for producing microfilm hard copy from information signals presented at a high data rate. An entire frame of information is printed line-by-line, each line being recorded character-by-character, each character being recorded column-by-column from a potential M-by-N matrix array by sweep- ing a column of M selectively actuated narrow beams of coherent light derived from a single laser source transversely of the film and successively repositioning the column in the longitudinal direction. A transverse position detector provides precise positioning signals for initiating generation of successive characters so that each character is precisely positioned on the film within an accuracy of the width of a single beam column space. A form image is projected onto the film at the end of a complete frame of characters. The accuracy of character positioning provided by the system ensures character alignment with the form image. The intensity of the character formation beams per- mits the use of dry process photographic film.

288620

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