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:
Mar. 21, 2023
Filed:
Jan. 12, 2021
Applicant:
Sony Olympus Medical Solutions Inc., Tokyo, JP;
Inventor:
Masataka Kado, Tokyo, JP;
Assignee:
SONY OLYMPUS MEDICAL SOLUTIONS INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 21/36 (2006.01); G02B 21/00 (2006.01);
U.S. Cl.
CPC ...
G02B 21/364 (2013.01); G02B 21/006 (2013.01); G02B 21/0012 (2013.01); G02B 21/0032 (2013.01);
Abstract
A medical projection apparatus includes: a plurality of projectors each configured to project projection light onto an observation area of an observation optical system, wherein at least two or more projectors of the plurality of projectors are configured to respectively emit projection light to different planes including an optical axis of the observation optical system, and the projection light emitted by the two or more projectors cross each other in any position within a range of at least a possible working distance of the observation optical system.