Displacement detection system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 11, 1997
Grant Date -
N/A
app pub date -
Jul 10, 1995
filing date -
Jul 10, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for detecting displacement of a surface in a direction normal to the surface, the system including a first grating; a second grating; an optical subsystem for projecting an image of the first grating onto the surface and for directing a secondary image of the first grating reflected off the surface onto the second grating; and a detector, responsive to the fringe pattern formed after the secondary image passes through the second grating, for detecting displacement of the surface in a direction normal to the surface.
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