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. 16, 2014
Filed:
Mar. 03, 2010
Takeshi Hamaguchi, Susono, JP;
Takeshi Hamaguchi, Susono, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A sleep depth determining deviceis a device for determining an object person M's depth of sleep using a sensitivity threshold which is the minimum stimulus intensity that can be sensed by the object person M in a sleep state and includes: a stimulus giving unitthat gives a first stimulus Pand a second stimulus Pstronger than the first stimulus Pto the object person M; a sense detecting unitthat detects whether the object person M senses the first stimulus Pand the second stimulus P; and a sleep depth determining unitthat determines that the object person M's depth of sleep is a depth of sleep Scorresponding to a sensitivity threshold between a first stimulus intensity Tand a second stimulus intensity Twhen the sense detecting unitdetects that the object person M does not sense the first stimulus Pbut senses the second stimulus P. Accordingly, it is possible to precisely determine that the object person M's depth of sleep is the depth of sleep S