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:
Mar. 22, 2016
Filed:
Sep. 24, 2012
Applicant:
Smart Technologies Ulc, Calgary, CA;
Inventors:
Assignee:
SMART Technologies ULC, Calgary, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/033 (2013.01); G06F 3/041 (2006.01); G06F 3/0354 (2013.01); G06F 3/042 (2006.01);
U.S. Cl.
CPC ...
G06F 3/03545 (2013.01); G06F 3/033 (2013.01); G06F 3/03543 (2013.01); G06F 3/0421 (2013.01);
Abstract
A pen tool for use with a machine vision interactive input system comprises an elongate body, a tip on the body and a variable reflector disposed on the body. The variable reflector comprises a reflecting portion and an attenuating portion configured to control the amount of illumination reflected by the reflecting portion.