Shutter activation system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 4, 2012
Grant Date -
Sep 17, 2009
app pub date -
Jan 26, 2009
filing date -
Mar 12, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of controlling a plurality of shutter blades includes providing a shutter assembly including a solenoid having a first magnetic pole, a second magnetic pole, and a gap between the first and second poles. The shutter assembly also includes a permanent magnet moveable within the gap in a path coplanar with the solenoid, wherein movement of the permanent magnet transitions the plurality of shutter blades between an open position exposing a central opening of the shutter assembly and a closed position. The method also includes moving the plurality of shutter blades between the open and closed positions, and reducing an electrical signal applied to the solenoid while the plurality of shutter blades is in transit between the open and closed positions.
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