Digital image display and photographic recording apparatus

Details Digital image display and photographic recording apparatus Digital image display and photographic recording apparatus

1986-12-01

1988-09-06

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358332, 358345, 346110R, H04N 576

Patent

active

047697156

ABSTRACT:
Method and apparatus for generating photographic copies from a CRT display of digital pixel data. The digital pixel data is received from a host digitizing device as a series of lines to be displayed. The series of lines comprises a complete frame of image data. The digital data is used to time modulate a constant intensity CRT beam to accurately control the exposure of a photographic film. Control over the exposure is effected by scanning each line of the image frame a plurality of times. The number of times each pixel data is displayed with a constant intensity determines the total exposure produced by each pixel on the photographic film. By scanning individual lines of a rasterized picture a plurality of times, accurate control over the exposure of the photographic film may be controlled using the constant beam intensity.

REFERENCES:
patent: 4704699 (1987-11-01), Farina et al.

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