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. 08, 2025
Filed:
Sep. 30, 2021
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/024 (2006.01);
U.S. Cl.
CPC ...
A61B 5/02416 (2013.01);
Abstract
Disclosed is a reflective photoplethysmogram sensor comprising: a planar light emitting element and a planar light receiving element. The light emitting element and the light receiving element do not face each other in an up/down direction. The minimum distance h (mm) between at least a pair of the light emitting element and the light receiving element satisfies the following expression (1)(×03.7)≤(×1.3) Expression (1)where the minimum distance between the light emitting element and the light receiving element is h (mm), and a thickness of skin (epidermis+dermis) of a human body is t (mm), and the thickness is within the range 0.1 to 4 mm.