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US 2003/0201732 A1Published application
Lamp tube illumination stabilization device
OwnerPeng-Jung Lee, Kun-Cheng Cheninventors
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Abstract
A lamp tube illumination stabilization device, mostly applicable to scanners, includes a lamp tube driver for controlling the illumination of the lamp tube, a sensor for detecting the change of the illumination, and a voltage controller for receiving a detection value of the sensor and controlling the power magnitude to the lamp tube driver according to comparison of the detection value with a predetermined value of the voltage controller.
Claims5
A lamp tube illumination stabilization device, comprising:
- a lamp tube driver connected to a lamp tube for controlling the illumination of said lamp tube;
- a sensor for detecting the illumination of said lamp tube;
- and
- a voltage controller respectively connected to said lamp tube driver and said sensor for receiving a detection value of said sensor and controlling a power magnitude to said lamp tube driver.
1 more element
Dependencies are inferred from the claim text.