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:
Oct. 07, 2008
Filed:
Dec. 06, 2001
Hirooki Aoki, Tokyo, JP;
Masato Nakajima, Tokyo, JP;
Yasuhiro Takemura, Tokyo, JP;
Kazuhiro Mimura, Tokyo, JP;
Hirooki Aoki, Tokyo, JP;
Masato Nakajima, Tokyo, JP;
Yasuhiro Takemura, Tokyo, JP;
Kazuhiro Mimura, Tokyo, JP;
KEIO University, Tokyo, JP;
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Abstract
A monitor which can detect respiration of a sleeping person without being affected by the attitude of the sleeping person or the indoor illumination light and can easily evaluate detected respiration quantitatively through image measurement. The monitor comprises means () for projecting a specified illumination pattern, means () for picking up the image of projected light continuously, means () for calculating inter-frame moving amount of the illumination pattern from the image of two frames acquired by the image pickup means at different times, means () for generating a moving amount waveform data comprising inter-frame moving amounts arranged in time series, and means () for detecting the movement of an object from the moving amount waveform data.