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:
Aug. 28, 2018
Filed:
Nov. 04, 2014
Applicant:
Mimio Llc, Cambridge, MA (US);
Inventors:
J. Michael Smutek, Woburn, MA (US);
Luca Theo Holme, Stoneham, MA (US);
Daniel Winkler, Somerville, MA (US);
Assignee:
Mimio, LLC, Lawrenceville, GA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/045 (2006.01); G06F 3/0354 (2013.01); G06F 3/038 (2013.01); G06F 3/042 (2006.01);
U.S. Cl.
CPC ...
G06F 3/03542 (2013.01); G06F 3/0386 (2013.01); G06F 3/0421 (2013.01);
Abstract
A light pen which works in conjunction with an image sensor array to allow the sensor array to distinguish between a finger touch and touch by the light pen. The light pen is arranged to pass through a laser curtain or other light source undetected by the image sensor.