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.
Patent No.:
Date of Patent:
Jun. 25, 2019
Filed:
Sep. 18, 2014
Applicant:
Nec Display Solutions, Ltd., Tokyo, JP;
Inventor:
Ryoji Takahashi, Tokyo, JP;
Assignee:
NEC DISPLAY SOLUTIONS, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/042 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0421 (2013.01); G06F 3/0416 (2013.01); G06F 3/0418 (2013.01); G06F 3/0425 (2013.01);
Abstract
A light source includes an invisible light emitter that emits an invisible light beam and a visible light emitter that emits a visible light beam. A light source controller causes the light source to emit at least one light beam from among the invisible light beam and the visible light beam. A propagation controller causes an emission light beam emitted from the light source to propagate along a predetermined plane.