Title: Device and method for judging projector lamp residual service life of projector
Application Number: 02141864 Application Date: 2002.08.27
Publication Number: 1479163 Publication Date: 2004.03.03
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01R19/00,G03B21/20
Applicant(s) Name: Beng Corp. Address:
Inventor(s) Name:
Attorney & Agent: wang zhisen huang xiaolin
Abstract:
     A device and method for determining the residual service life of the lamp of projector is disclosed. Said method includes such steps as measuring the voltage between two lamp filament electrodes, converting it to a digital value, and calcualting the residual service life.
Time: 11
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