Optical deflector
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 20, 2009
Grant Date -
Jul 23, 2009
app pub date -
Jan 21, 2009
filing date -
Jan 21, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An optical deflector includes a mirror having a reflective plane; a torsion bar extending outwardly from an end of said mirror; a support surrounding said mirror; a first piezoelectric element, one end of said first piezoelectric element being connected to said torsion bar, the other end of the first piezoelectric element being connected to and supported by said support, said first piezoelectric element having at least one piezoelectric cantilever, the cantilever including a supporting body and a piezoelectric body formed on the supporting body to exhibit bending deformation due to piezoelectricity when a driving voltage is applied to the piezoelectric body, said piezoelectric element rotarily driving said mirror through said torsion bar when said driving voltage is applied; and a second piezoelectric element, one end of said second piezoelectric element being connected to said torsion bar, the other end of the second piezoelectric element being connected to and supported by said mirror.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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