Focusing of optical viewing apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 27, 1983
Grant Date -
N/A
app pub date -
May 11, 1981
filing date -
May 19, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical viewing apparatus and method is disclosed having improved focusing, in which two beams of light, which are mutually inclined at a fixed angle, are converged in the vicinity of a reflective viewed surface, and the relative distance between the apparatus and the surface is adjusted until the beams coincide at the surface.
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