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:
Jul. 01, 2014

Filed:

Mar. 03, 2011
Applicants:

Hitoshi Yamasaki, Kawasaki, JP;

Yukihiro Sato, Kawasaki, JP;

Kazumasa Sugawara, Kawasaki, JP;

Inventors:

Hitoshi Yamasaki, Kawasaki, JP;

Yukihiro Sato, Kawasaki, JP;

Kazumasa Sugawara, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/94 (2006.01); H03M 11/00 (2006.01); G06F 3/02 (2006.01); G09G 3/00 (2006.01); G06F 3/033 (2013.01); G09G 5/08 (2006.01); H01H 13/70 (2006.01);
U.S. Cl.
CPC ...
H01H 13/70 (2013.01);
Abstract

An electronic apparatus includes a detection circuit having at least a first contact point, a second contact point and a third contact point; an input key unit changes states of the individual contact points based on an accepted input operation, and a detection-circuit control unit obtains a detection signal corresponding to changed states of the individual contact points from the detection circuit, and detects the input operation from the obtained detection signal.


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