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:
Sep. 26, 2017

Filed:

Aug. 04, 2015
Applicant:

Kyocera Document Solutions Inc., Osaka, JP;

Inventors:

Satomi Murai, Osaka, JP;

Akihiro Umenaga, Osaka, JP;

Rie Kasai, Osaka, JP;

Hiroshi Nakamura, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); G06F 21/36 (2013.01); G06F 3/0488 (2013.01);
U.S. Cl.
CPC ...
G06F 21/36 (2013.01); G06F 3/04886 (2013.01); G06F 2221/2125 (2013.01);
Abstract

An operation device includes a screen display section that displays a login screen on a touch panel, a key position changing section, a key information reception section, and a key information determination section. The key position changing section changes positions of a plurality of keys that are displayed on the login screen such that the keys are displayed for a current login process at positions that are different from previous positions at which the keys were displayed for a previous login process. The key information reception section generates input information representing a key pressed on the login screen. The key information determination section allows login of a user when a combination of pieces of input information corresponding to a plurality of key presses performed by the user matches registration information and does not allow login of the user when the combination does not match registration information.


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