Image scanning apparatus
AssigneeSamsung Electronics Co., Ltd.
InventorsYong-Chan Keh, Mun-Kue Park, Byeong-Hoon Park
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Abstract
An image scanning apparatus for embodying an image using visible lights apparatus includes a scanning unit for irradiating line scan light; a power source for generating voltage for driving the scanning unit; a light detector for detecting duty that is a variation ratio of line scan light with respect to time; and a servo-loop for comparing the detected duty with a preset value, calculating a magnitude of the voltage for driving the scanning unit, and applying voltage, which is controlled depending on the calculated voltage magnitude, to the scanning unit.
Claims5
An image scanning apparatus for embodying an image using a visible light, comprising:
- a scanning unit for irradiating a line scan light;
- a power source for generating a voltage for driving the scanning unit;
- a light detector for detecting a variation ratio of the line scan light with respect to time;
- and
- a servo-loop for comparing the detected variation ratio with a preset value, calculating a magnitude of the voltage for driving the scanning unit, and applying voltage, which is controlled depending on the calculated voltage magnitude, to the scanning unit.
Dependencies are inferred from the claim text.