Liquid discharge apparatus
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United States of America Patent
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-
Sep 1, 2015
Grant Date -
Mar 5, 2015
app pub date -
Sep 3, 2014
filing date -
Sep 5, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A liquid discharge apparatus includes a power supply potential output section that outputs a first power supply potential, a first and a second switch drive section that generate a first and a second switch drive signal according to a modulation signal of an original drive signal, a first and a second switch that operate according to the first and the second switch drive signal, a rectifying device that is arranged between an output terminal of the power supply potential output section and a terminal of the first switch drive section, a connection node that is electrically connected to the first switch and the second switch, a capacitance element that is arranged between the terminal and the connection node, a signal conversion section that converts a signal which is generated at the connection node, into a drive signal, and a piezoelectric element that is transformed by the drive signal.
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