Method of driving a piezoelectric scanner linearly with time
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 24, 1991
Issued Date -
N/A
app pub date -
Nov 29, 1990
filing date -
Apr 28, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a scanning device producing an image from data obtained from a nonlinear piezoelectric scanner having an attached end and a free end providing the data from a lateral scanning motion of the free end a distance about a center position as a result of the connection of a changing scan voltage to elecrodes carried by the piezoelectric scanner, a method of making the scanning motion of the free end linear with time and increasing the speed at which the data is provided for producing the image. The method comprises the steps of providing a nonlinear signal with time which is a function of the nonlinearity of the piezoelectric scanner; amplifying the nonlinear signal to provide a corresponding nonlinear driving voltage; applying the nonlinear driving voltage to the electrodes of the scanner to scan the free end in a forward scanning motion; obtaining data for use in producing the image during the forward scanning motion; applying the nonlinear driving voltage to the elctrodes of the scanner to scan the free end in a backward scanning motion; obtaining data for use in producing the image during the backward scanning motion; and, repeating the bi-directional scanning and data inputting process until the data needed to create the image has been obtained.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully