Driving circuit for acoustic printer and acoustic printer using the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 23, 2002
Grant Date -
N/A
app pub date -
Nov 28, 2000
filing date -
May 16, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A driving circuit for an acoustic printer and an acoustic printer which enables high speed and high image quality recording and is reduced in size and cost. An inductance switching circuit connected in parallel to an electrostatic capacity included in a piezoelectric element is connected to an amplifying part. The inductance switching circuit and the electrostatic capacity form a parallel resonance circuit called TANK circuit. The inductance switching circuit is formed by two inductances and switches connected in series to the respective inductances, and the inductances are connected in parallel. The switches are externally controllable.
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Family
International Classification(s)
Cited Art Landscape
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