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:
Nov. 27, 2018

Filed:

Jun. 13, 2017
Applicant:

Oki Data Corporation, Tokyo, JP;

Inventors:

Satoshi Yamamoto, Tokyo, JP;

Yoichi Hayakawa, Tokyo, JP;

Kentaro Hasegawa, Tokyo, JP;

Masahiko Hoshino, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 21/16 (2006.01); G03G 21/18 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0863 (2013.01); G03G 15/0849 (2013.01); G03G 15/50 (2013.01); G03G 15/553 (2013.01); G03G 21/1657 (2013.01); G03G 21/1892 (2013.01); G03G 2221/16 (2013.01);
Abstract

An image formation apparatus according to one or more embodiments includes: an engagement part to which a replacement unit with a first communication part is detachably attachable; a second communication part configured, in a state where the replacement unit is attached to the engagement part, to communicate wirelessly with the first communication part of the replacement unit; and a control unit programmed to control the second communication part. In a process of causing the second communication part to communicate wirelessly with the first communication part a plurality of times, the control unit detects a change in a response from the first communication part.


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