Apparatus for reducing warm-up time by auxiliary light...

Details Apparatus for reducing warm-up time by auxiliary light... Apparatus for reducing warm-up time by auxiliary light...

2006-07-18

2006-07-18

Chen, Sophia S. (Department: 2852)

Electrophotography

Image formation

Exposure

C358S474000, C358S509000

Reexamination Certificate

active

07079791

ABSTRACT:
An apparatus for reducing start-up time uses an auxiliary light source and method for the same are proposed. The auxiliary light source has relatively short start-up time to compensate a cold cathode fluorescent lamp (CCFL) with long start-up time. The auxiliary light source is a light emitting device and simultaneously turned on with the CCFL. The light-emitting device is turned off when the output light of the CCFL is stable. Therefore, the light-emitting device with the CCFL can provide stable light source for scanner.

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