Photocopying – Projection printing and copying cameras – With cathode ray tube for light source
Patent
1990-03-16
1991-12-03
Hayes, Monroe H.
Photocopying
Projection printing and copying cameras
With cathode ray tube for light source
355 81, 355 83, G03B 2772, G03B 2780
Patent
active
050703587
ABSTRACT:
The present invention comprises a contact printer (10) which utilizes a flat tube monitor (30) connected with a computer (40) that permits the image or light array (32) projected by the monitor (30) to be manually and selectively altered in accordance with an operator's evaluation of the image (32) directed upon a negative (20). The operator may selectively dodge, burn, or offset the intensity of the image (32) so that an adjacent area of the negative (20) receives a corresponding alteration. The printer (10) enables the provision of custom contact prints made in accordance with the operator's evaluation of the light array (32) shining through the negative (20) so that the negative (20) is selectively modified acccording to the operator's desire.
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Automatic Contrast Control in the Production of Aerophotographic Prints with the ELCOP Electronic Photoprinter of VEB Carl Zeiss, by J. Konieczny in Jena Review, vol. 19, No. 3, pp. 187-191 (1974).
Deak Ellen Y.
Stouffer John D.
Hayes Monroe H.
Palguta Larry J.
Stouffer Industries Inc.
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