Piezoelectric transformer and strobe apparatus having the piezoelectric transformer
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United States of America Patent
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Mar 29, 2005
Issued Date -
N/A
app pub date -
Jun 17, 2004
filing date -
Oct 25, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A strobe apparatus has a discharge capacitor charged by a voltage generated in the output voltage when a piezoelectric transformer is driven in the first resonance mode, and a discharge tube is triggered by a voltage generated in the output electrode when the piezoelectric transformer is driven in the second resonance mode. The transformer has two types of output electrodes and on one surface in the longitudinal direction and two opposing surfaces in the lateral direction. It can be driven by properly switching first and second resonance modes different from each other.
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