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. 26, 2000
Filed:
Mar. 18, 1999
Applicant:
Inventors:
Allen J Bancroft, Elkhart, IN (US);
Daniel M Daly, Elkhart, IN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C / ;
U.S. Cl.
CPC ...
318587 ; 15319 ; 31856812 ;
Abstract
A cleaning robot navigates a wide area by using sonar near the walls and a laser range finder for distances beyond the range of the sonar. The sonar is used with the laser to establish baselines. The laser distances are then referenced to the baselines for improved accuracy during laser navigation.