CLOSED LOOP HEAT CONTROL BY DARK SIGNAL IN DIGITAL IMAGE FORMING SYSTEM

PROBLEM TO BE SOLVED: To suppress temperature rise in a digital image forming system such as a digital camera or the like. SOLUTION: Increase of a dark current of a photodetector following the temperature rise is utilized. The heat amount is reduced by stopping an operation of a heat generating comp...

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Bibliographische Detailangaben
Hauptverfasser: STAUDACHER DAVID J, ROBERT KYAJIAA, WITTMAN A CHRISTOPHER
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To suppress temperature rise in a digital image forming system such as a digital camera or the like. SOLUTION: Increase of a dark current of a photodetector following the temperature rise is utilized. The heat amount is reduced by stopping an operation of a heat generating component or decelerating the operating speed of the component when the dark current increases to a predetermined value.