发明申请
US20070057803A1 Projection television receiver having a projection lamp life indicator 审中-公开
具有投影灯寿命指示器的投影电视接收机

Projection television receiver having a projection lamp life indicator
摘要:
A rear projection television receiver includes an arrangement for detecting impending light source failure. The arrangement detects an electrical parameter of the ligth source and compares this detected parameter with a predetermined threshold level. When the detected parameter exceeds this threshold level, the arrangement advises the user to replace the light source.
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