System can enhance or reduce contrast of photographic transparency for printing or projection by using constructive and destructive interference of collimated laser beam. System is potentially less expensive than electronic CRT methods and is more accurate than trial-and-error manual techniques.


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    Title :

    Contrast enhancement of transparencies


    Contributors:
    Shulman, A. R. (author) / Lee, S. H. (author)

    Published in:

    Publication date :

    1976-08-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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