Film scanner with an adjustable light source for scanning positi

Details Film scanner with an adjustable light source for scanning positi Film scanner with an adjustable light source for scanning positi

1998-06-03

2000-03-28

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250226, 348 97, G01J 132

Patent

active

060434767

ABSTRACT:
The present invention provides a film scanner with an adjustable light module whose chromaticity can be adjusted according to the positive or negative film to be scanned. The film scanner comprises a light module comprising a plurality of lamps of different colors, a scanning module for scanning the light transmitted through the film and generating image signals, an adjusting device for adjusting the on/off state or chromaticity of the lamps, and a control device for controlling the adjusting device according to the image signals received from the scanning module.

REFERENCES:
patent: 5528288 (1996-06-01), Sandor et al.

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