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:
Oct. 28, 2014

Filed:

May. 18, 2012
Applicants:

Satoshi Joko, Tokyo, JP;

Hiroatsu Ike, Tokyo, JP;

Kenta Kitamura, Tokyo, JP;

Inventors:

Satoshi Joko, Tokyo, JP;

Hiroatsu Ike, Tokyo, JP;

Kenta Kitamura, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63F 13/00 (2014.01); G07F 17/32 (2006.01);
U.S. Cl.
CPC ...
G07F 17/3211 (2013.01); A63F 13/00 (2013.01);
Abstract

A display device includes: a display screen configured to display an image for a game; a first sliding door in front of the display screen, the first sliding door driven by a motor to move along a first guide to open and close the display screen; a rotation axis configured to rotate based on variation of an opening area of the display screen due to movement of the first sliding door; a magnetic sensor configured to detect rotation of the rotation axis; and a controller configured determine position of the first sliding door based on a magnetic sensor signal from the magnetic sensor and to control the movement of the first sliding door based on the selected door control data.


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