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. 23, 2008
Filed:
Jun. 17, 2002
Yasuhiro Takemura, Tokyo, JP;
Toshiharu Takesue, Tokyo, JP;
Kazuhiro Mimura, Tokyo, JP;
Kei Katou, Tokyo, JP;
Masato Nakajima, Yokohama, JP;
Yasuhiro Takemura, Tokyo, JP;
Toshiharu Takesue, Tokyo, JP;
Kazuhiro Mimura, Tokyo, JP;
Kei Katou, Tokyo, JP;
Masato Nakajima, Yokohama, JP;
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Keio University, Tokyo, JP;
Abstract
To provide a monitoring device which can detect conditions of a sleeping person reliably and which is simple. A monitoring device comprising: multiple independent distance sensorsinstalled facing different positions in a monitored target areato be monitored for measuring a distance to a monitored targeta calculating unitfor calculating changes over time in the outputs of the distance sensorsand a detection processorfor detecting changes in shape of the monitored targetbased on the calculated changes over time in one or multiple distance sensoramong the multiple distance sensors