The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2019
Filed:
Aug. 16, 2017
Applicant:
Lumenis Ltd., Yokneam Ilit, IL;
Inventors:
Zipora Ozer Armon, Tel Aviv, IL;
Eyal Benisty, Kfar Hachoresh, IL;
Arie Kraisler, Petach Tiqwa, IL;
Roy Ramati, Ramat Hasharon, IL;
Assignee:
LUMENIS LTD., , IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 18/20 (2006.01); A61B 18/14 (2006.01); A61B 18/00 (2006.01); G02B 13/04 (2006.01); G02B 9/34 (2006.01); G02B 26/10 (2006.01);
U.S. Cl.
CPC ...
A61B 18/203 (2013.01); G02B 9/34 (2013.01); G02B 13/04 (2013.01); G02B 26/105 (2013.01); A61B 18/14 (2013.01); A61B 2018/00005 (2013.01); A61B 2018/0047 (2013.01); A61B 2018/00452 (2013.01); A61B 2018/00458 (2013.01); A61B 2018/20351 (2017.05);
Abstract
A lens system includes: a plurality of aligned lenses; a first lens having negative refractive power; a second lens having negative refractive power; a third lens with positive refractive power; and, a fourth lens with positive refractive power; a light beam transmitted through the first, second, third and fourth lenses is first diverged by the first and second lenses, collimated by the third lens and focused by the fourth lens to form a small spot at the focal plane.