Recording optical system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 3, 1981
Grant Date -
N/A
app pub date -
Apr 20, 1979
filing date -
Apr 28, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A recording optical system comprising a semi-conductor laser of substantially single mode as the light source, an objective lens of which the focal point is located substantially at the beam divergent position of said semi-conductor laser in a plane perpendicular to the junction plane thereof, an afocal cylindrical lens composed of an element having a refractive power only in a plane parallel to said junction plane, an imaging lens, an aperture limiting the beam entering said imaging lens, and a photosensitive medium positioned in the vicinity of the focal point of said imaging lens.
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