Method for driving a self-scanning light-emitting array
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United States of America Patent
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Mar 9, 2004
Grant Date -
Sep 26, 2002
app pub date -
Nov 30, 2001
filing date -
Apr 6, 2000
priority date (Note) -
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Abstract
A method for driving a self-scanning light-emitting element array, in which a power consumed in a write signal limiting resistor provided outside a chip to suppress a temperature rising of an optical writing head. The difference between High-level and Low-level in a circuitry in the driver circuit for controlling the light-emitting portion in the chip is set so as to be lower than the difference between High-level and Low-level in a circuitry in the driver circuit for controlling the transfer portion in the chip. A power consumed in a write signal limiting resistor provided outside the chip may be decreased to suppress the temperature rising of the optical writing head.
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