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:
Oct. 20, 2020
Filed:
Jan. 24, 2018
Applicant:
Canon U.s.a., Inc., Melville, NY (US);
Inventors:
Badr Elmaanaoui, Belmont, MA (US);
Tzu-Yu Wu, Malden, MA (US);
Assignee:
Canon U.S.A., Inc., Melville, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 1/00 (2006.01); A61B 1/07 (2006.01); G02B 23/24 (2006.01); A61B 5/00 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
A61B 1/00188 (2013.01); A61B 1/00096 (2013.01); A61B 1/07 (2013.01); G02B 23/2469 (2013.01); A61B 1/00177 (2013.01); A61B 1/00179 (2013.01); A61B 1/00181 (2013.01); A61B 5/0035 (2013.01); A61B 5/0066 (2013.01); A61B 5/0071 (2013.01); A61B 5/0084 (2013.01); G02B 13/00 (2013.01); G02B 23/243 (2013.01);
Abstract
Some embodiments of a device comprise a sheath, a first light-guiding component, a second light-guiding component, an optical-focusing component, and an optical-correction component. The second light-guiding component and the optical-focusing component are aligned on an optical axis. Also, the optical-correction component does not directly contact the optical-focusing component, and the optical-correction component is not positioned on the optical axis.