Drive circuit for printing apparatus, light-emitting element unit, and printing apparatus
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United States of America Patent
Stats
-
Oct 4, 2016
Grant Date -
Aug 18, 2016
app pub date -
Jan 12, 2016
filing date -
Feb 12, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drive circuit for a printing apparatus includes a first driver arranged on an electrical path from a first current supply unit to a first connection portion for a light-emitting element, a second driver arranged on an electrical path from a second current supply unit to the first connection portion, a third driver arranged on an electrical path from the second current supply unit to a second connection portion for a light-emitting element, and a switch unit configured to selectively connect the second current supply unit to one of the second driver and the third driver and disconnect the connection between the second current supply unit and the other of the second driver and the third driver when the second current supply unit is connected to the one of the second driver and the third driver.
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