Image highlighting method

Details Image highlighting method Image highlighting method

1988-06-02

1990-12-04

Grimley, A. T.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce color reproduction

430 54, 430126, 355218, 355245, 355328, G03G 1301

Patent

active

049753487

ABSTRACT:
An electrophotographic copying process produces a photocopy having a negative image in order to highlight information in a specified area. An original image is radiated onto a photosensitive medium to form a first image. A solid block is formed in the specified area of the first image. The first image is then transferred to blank paper. The original image is then radiated onto the photosensitive medium again and a portion of the image is erased in order to form a second image. The second image is then transferred to the sheet of paper having the first image. The resulting image formed on the sheet of paper includes a highlighted second image formed in the specified area.

REFERENCES:
patent: 3038799 (1962-05-01), Metcalfe et al.
patent: 3773507 (1973-11-01), Sato et al.
patent: 3808026 (1974-04-01), Sato et al.
patent: 3936172 (1976-02-01), McVeigh
patent: 4579443 (1986-04-01), Abuyama et al.
patent: 4582417 (1986-04-01), Yagasaki et al.
patent: 4720750 (1988-01-01), Watanabe

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