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, 2017
Filed:
May. 23, 2014
Nihon Kohden Corporation, Tokyo, JP;
Naoki Kobayashi, Tokyo, JP;
Hideaki Hirabara, Tokyo, JP;
NIHON KOHDEN CORPORATION, Tokyo, JP;
Abstract
A biological signal measuring system includes: a light emitter emitting light beams having different N kinds of wavelengths, where N is an integer of four or more; a light receiver outputting N kinds of signals respectively in accordance with received light intensities of the N kinds of light beams that have been passed through or reflected from a living tissue; a first calculating section acquiring N kinds of light attenuations based on the N kinds of signals; a second calculating section acquiring (N−1) kinds of blood-derived light attenuations based on two light attenuations related to (N−1) kinds of combinations selected from the N kinds of light attenuations; a third calculating section identifying concentrations of (N−1) kinds of in-blood substances based on the (N−1) kinds of blood-derived light attenuations; and an outputting section outputting the identified concentrations.
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