Recording apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 21, 2007
Grant Date -
May 26, 2005
app pub date -
Nov 23, 2004
filing date -
Nov 26, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A recording apparatus controlling amount of ink discharge due to variations of a recording head. The recording head is provided with a reference voltage source for setting an output voltage of a head drive power source so as to provide a characteristic of voltage from the reference voltage source. A head drive power source circuit provided on the recording apparatus changes voltage of a head drive by comparing the reference voltage and output voltage from the power source circuit.
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