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. 10, 2013
Filed:
Aug. 11, 2008
Hideaki Suzuki, Hitachi, JP;
Yoshinori Furuno, Tsuchiura, JP;
Kouichi Shibata, Kasumigaura, JP;
Hiroshi Watanabe, Ushiku, JP;
Yutaka Watanabe, Tsuchiura, JP;
Hideaki Suzuki, Hitachi, JP;
Yoshinori Furuno, Tsuchiura, JP;
Kouichi Shibata, Kasumigaura, JP;
Hiroshi Watanabe, Ushiku, JP;
Yutaka Watanabe, Tsuchiura, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
A device diagnostic apparatus () comprising: data judgment means () for, when device information () including operating condition information and internal state information is inputted, comparing the operating condition information of the device information with operating condition information stored in a database () beforehand to judge whether or not both of the operating condition information agree with each other, and then outputting judgment result information; and state diagnosis means () for, when the judgment result information indicates that both of the operating condition information agree with each other, comparing the internal state information in the device information with internal state information stored in the database beforehand, and then outputting the result of the comparison. This makes it possible to reduce the possibility that false judgment result will be output, and to achieve the efficiency of maintenance work.