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.

Date of Patent:
Jun. 17, 2025

Filed:

Aug. 12, 2022
Applicants:

Hiroaki Fukuda, Kanagawa, JP;

Yasunobu Shirata, Tokyo, JP;

Yohsuke Muramoto, Kanagawa, JP;

Junichi Takami, Kanagawa, JP;

Inventors:

Hiroaki Fukuda, Kanagawa, JP;

Yasunobu Shirata, Tokyo, JP;

Yohsuke Muramoto, Kanagawa, JP;

Junichi Takami, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01H 3/00 (2006.01); G01H 17/00 (2006.01); G03G 15/00 (2006.01); G05B 19/4065 (2006.01); G06N 7/01 (2023.01); G06N 20/00 (2019.01); G07C 3/00 (2006.01);
U.S. Cl.
CPC ...
G01H 3/00 (2013.01); G01H 17/00 (2013.01); G03G 15/00 (2013.01); G03G 15/55 (2013.01); G05B 19/4065 (2013.01); G06N 20/00 (2019.01); G07C 3/00 (2013.01); G03G 2215/00637 (2013.01); G05B 2219/37245 (2013.01); G05B 2219/50276 (2013.01); G06N 7/01 (2023.01);
Abstract

A diagnostic device includes a reception unit and a determination unit. The reception unit is configured to receive context information and sensing information. The context information corresponds to a certain operation of a target item that constitutes a target device. The context information is a piece of a plurality of pieces of context information each describing an operation of the target item determined depending on a type of operation of the target device. The sensing information is on a physical quantity that varies in accordance with the operation of the target item. The determination unit is configured to determine a state of the target item based on the sensing information detected while the target item is performing the certain operation, and based on a model corresponding to the received context information. The model is a model of one or more models respectively defined for one or more pieces of the context information.


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