Drive unit, movable module, and autofocus control method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 5, 2013
Grant Date -
Aug 16, 2012
app pub date -
Apr 24, 2012
filing date -
May 9, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
To provide a drive unit and a drive module which include a shape memory alloy as a drive source to move a driven member and are capable of the high-precision movement of the driven member to a reference position. A drive unit and a drive module can be provided by controlling, in the drive unit and the drive module which include the shape memory alloy as the drive source to move the driven member, the shape memory alloy so that the resistance of the shape memory alloy is equal to the resistance when the driven member is located at the reference position.
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