Image scanning apparatus

Details Image scanning apparatus Image scanning apparatus

2006-12-28

2009-10-27

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S199200, C359S199300, C359S200600, C359S200700, C250S208100, C235S462320

Reexamination Certificate

active

07609426

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.

REFERENCES:
patent: 63-113513 (1988-05-01), None
patent: 02-211417 (1990-08-01), None
patent: 2005-73533 (2005-07-01), None
patent: 2005-109030 (2005-11-01), None

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