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.:

US 8170738 B1

PDF
Full Text
Expired
Date of Patent:
May. 01, 2012

Filed:

Nov. 09, 2009
Applicants:

Shinzo Urushidani, Tochigi, JP;

Eiji Ninomiya, Tochigi, JP;

Inventors:

Shinzo Urushidani, Tochigi, JP;

Eiji Ninomiya, Tochigi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 22/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An autonomous mobile apparatus (R) at a reference position () is confronted to a subject (T) with a predefined distance. The autonomous mobile apparatus (R) is rotated at the reference position () to confront plural directions sequentially. The subject (T) is detected every time when the autonomous mobile apparatus (R) is rotated to confront each direction to determine whether or not it is functioning normally.


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