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:
Sep. 19, 2023
Filed:
Jun. 16, 2020
Applicant:
Nichia Corporation, Anan, JP;
Inventor:
Tadaaki Miyata, Yokohama, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/1455 (2006.01); A61B 1/06 (2006.01); A61B 5/00 (2006.01); A61B 1/00 (2006.01); A61B 17/00 (2006.01);
U.S. Cl.
CPC ...
A61B 1/063 (2013.01); A61B 1/000094 (2022.02); A61B 1/0638 (2013.01); A61B 1/0655 (2022.02); A61B 5/0075 (2013.01); A61B 5/1455 (2013.01); A61B 5/489 (2013.01); A61B 2017/00061 (2013.01);
Abstract
A light source device includes: a laser light source configured to emit laser light having a peak wavelength included in a wavelength range of light absorbed or reflected by a first region or a second region of an object under study, the laser light source being configured to form a speckle pattern having speckle contrasts that differ between the first region and the second region; and a speckle variable device configured to control a coherence of the laser light in response to an external control signal.