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.

Date of Patent:
Mar. 07, 2023

Filed:

Aug. 23, 2018
Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Keita Kitagawa, Osaka, JP;

Takuya Kazusa, Osaka, JP;

Youichi Handa, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 11/76 (2018.01); F24F 11/80 (2018.01); F24F 11/30 (2018.01); A61B 5/00 (2006.01); A61M 21/02 (2006.01);
U.S. Cl.
CPC ...
F24F 11/76 (2018.01); A61B 5/4806 (2013.01); A61B 5/4809 (2013.01); F24F 11/30 (2018.01); F24F 11/80 (2018.01); A61B 5/4812 (2013.01); A61B 5/4821 (2013.01); A61M 21/02 (2013.01);
Abstract

A camera () takes an image of at least one user (U, U, U). A room environment information sensor () senses room environment information relating to an environment of a room (r) in which the at least one user (U, U, U) is present. The estimator () estimates a drowsiness condition of the at least one user (U, U, U) based on the image of the at least one user (U, U, U) taken by the camera () and the room environment information sensed by the room environment information sensor ().


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