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:
Dec. 12, 2017

Filed:

Jun. 18, 2015
Applicant:

Funai Electric Co., Ltd., Daito, Osaka, JP;

Inventors:

Kazuhiro Takahashi, Osaka, JP;

Atsuhiko Chikaoka, Kyoto, JP;

Ken Nishioka, Kawachinagano, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/042 (2006.01); G06F 3/041 (2006.01); G02B 27/22 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0421 (2013.01); G02B 27/2292 (2013.01); G06F 3/042 (2013.01); G06F 3/0412 (2013.01); G06F 2203/04101 (2013.01);
Abstract

An image display device includes an image display component, a projection component that forms an optical image corresponding to an image displayed by the image display component, a distance measurement component having a detector that detects an indicator for performing an touch operation relative to the optical image to acquire distance information from the detector to the indicator, and a controller that determines whether or not the indicator has performed the touch operation relative to the optical image based on the distance information and relative movement information between the distance measurement component and at least one of the image display component and the projection component.


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