TEMPERATURE CONTROL FOR AN IMAGING LASER
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United States of America Patent
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Apr 1, 2015
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Apr 1, 2015
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In one example, an imaging system (10) for a laser printer includes: an imaging laser (26) in which, within a range of drive currents, a threshold current of the laser varies with temperature and an efficiency of the laser does not vary with temperature; a power sensor (20) to measure an output power of the laser at a drive current within the range of drive currents; and a temperature control device (32) to change the temperature of the laser based on an output power measured by the power sensor.
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