Color-picture analyzing apparatus with red-purpose and green-pur

Details Color-picture analyzing apparatus with red-purpose and green-pur Color-picture analyzing apparatus with red-purpose and green-pur

1985-01-04

1987-06-02

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

356402, 355 37, 381 17, H04N 100, G03B 2754, G01J 346, G06K 946

Patent

active

046707794

ABSTRACT:
A color-picture reading apparatus comprises blue, red-purpose, and green-purpose fluorescent lamps, a red filter in front of the red-purpose lamp for solely passing the red radiation, a green filter in front of the green-purpose lamp for solely passing the green radiation, and a circuit for subsequently switching on and off the three lamps. Both the red filter and the green filter comprise a first filter for filtering the short wavelength radiation and a second filter for cutting the long wavelength radiation. The first filter is a glass filter and the second filter is an interference filter. All of the three lamps have a short afterglow time.

REFERENCES:
patent: 4318122 (1982-03-01), White
patent: 4371258 (1983-02-01), Mast
patent: 4469433 (1984-09-01), Kurata et al.

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