Tuning-fork-type scanning apparatus with a counterweight
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United States of America Patent
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May 12, 2009
Grant Date -
Oct 18, 2007
app pub date -
Sep 23, 2005
filing date -
Sep 24, 2004
priority date (Note) -
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Abstract
A scanning method and apparatus, the apparatus comprising a fork with first and second forwardly extending tines and a rearwardly extending counterweight member, a mount for supporting the fork at a point between the tines and the counterweight member, and a drive for effecting relative vibration between the tines to provide a fast scan and for driving the fork to provide a slow scan transverse to the fast scan.
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