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:
Feb. 09, 2010
Filed:
Oct. 05, 2004
Nobukazu Kawagoe, Tokyo, JP;
Shiegeru Oyokota, Tokyo, JP;
Nobukazu Kawagoe, Tokyo, JP;
Shiegeru Oyokota, Tokyo, JP;
Figla Co., Ltd., Tokyo, JP;
Abstract
The present invention relates to a self-propelled working robot, including a first distance sensorand a second distance sensor() for measuring the distance to an obstacle W in front of the robot. The robot includes first determination means for comparing a first measured distance Dc to the obstacle obtained by the first distance sensorwith a predetermined first threshold value to determine the proximity to the obstacle W, second determination means for comparing a second measured distance Dr (D) to the obstacle W obtained by the second distance sensor() with a predetermined second threshold value to determine the proximity to the obstacle, and changing means for changing the first or second threshold value based on information regarding an inclination angle of the obstacle W obtained from the first and second measured distances.