Boots – shoes – and leggings
Patent
1982-09-14
1985-09-03
Krass, Errol A.
Boots, shoes, and leggings
364551, G02F 346
Patent
active
045396477
ABSTRACT:
A presensitized offset printing plate is identified by its reflected light as one of the known presensitized plates of different light reflective characteristics. White light is casted on a freshly introduced presensitized plate to be tested so as to measure the intensity of the reflected light from the surface of the photosensitive layer thereon in four color signals, which are a magenta signal, yellow signal, cyan signal and black-and-white signal. Then the reflected light is compared in each color signal with the reference data which are inherently determined with respect to known presensitized plates of different light reflective characteristics, whereby the tested presensitized plate is recognized or identified as one of the known presensitized plates. Said reference data, which are different with respect to the known plates, are stored in memory means. In the case of the reference data characteristic of the known plate being not available for the identification, the light reflective characteristics of the known plate can be detected and stored in said memory means for subsequent identification procedures.
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Kaneko Sinobu
Nakade Hiroyuki
Cosimano Edward R.
Kotobuki Seihan Printing Co., Ltd.
Krass Errol A.
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