System for selectively extinguishing a light source that...

Television – Receiver circuitry – Power supply

Reexamination Certificate

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Details

C348S180000, C348S569000, C348S801000, C455S226400, C340S007320

Reexamination Certificate

active

10020421

ABSTRACT:
A system for selectively illuminates a light source that illuminates a power indicator of a video apparatus when the indicator distracts a viewer. The power button illumination is selectively set to be extinguished or illuminated when the video apparatus is powered on by means of an on-screen menu as an example. Extinguishing the power button light source does not affect the ability of the indicator to become illuminated to provide information to a viewer regarding the operating status of the video apparatus such as when a TV projection lamp has failed.

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Patent Abstracts of Japan, vol. 2000, No. 1, Jan. 31, 2000 & JP 11-289502.
Patent Abstracts of Japan, vol. 1999, No. 13, Nov. 30, 1999 & JP 11-220678.

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