| 摘要 |
A video display system such as a liquid crystal display television receiver projection system (103) typically uses a high-intensity discharge lamp (105) of the type that should not be re-started or turned on immediately after being turned off. An improved system protecting the lamp (105) from restarts during a cooling off period. The system (103) maintains the lamp, once energized to produce an image (on screen 108), in an off condition during a predetermined powers the lamp on the end of the cool-down period upon receipt a power-on command (from remote 101) during the cool-down period.
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