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:
Jan. 11, 2005
Filed:
Jun. 23, 2003
Masatoshi Tsuji, Ohtsu, JP;
Masatoshi Tsuji, Ohtsu, JP;
Optex Co., Ltd., Shiga, JP;
Abstract
MW sensorin one or more embodiments of the present invention is equipped with distance identifying meanscapable of calculating relative distance(s) from the distance identifying means to object(s) at least partially within protected area(s) based on reflected wave(s); moved distance identifying meanscapable of calculating moved distance(s) per unit time of object(s) at least partially within protected area(s); and object determination meanscapable of receiving output(s) from distance identifying meansand moved distance identifying means, and capable of carrying out object detection determination operations(s) such that moved-distance-per-unit-time value(s), at least one of which serves as trigger value for object detection determination, is or are set lower as relative distance(s) to object(s) at least partially within protected area(s) grow smaller. As a result, a situation may be achieved whereby object(s) is or are not determined to have been detected when plant life or the like sways due to wind at location(s) comparatively distant from MW sensor. In contrast thereto, when human being(s) or the like approach, reaching location(s) comparatively near to MW sensor, it is possible to achieve a situation whereby object detection is determined to have occurred even where the speed of movement thereof is small.