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:
May. 24, 2016
Filed:
Apr. 17, 2015
Applicant:
Vital Art and Science, Llc, Richardson, TX (US);
Inventors:
Michael Bartlett, Richardson, TX (US);
William R. Krenik, Richardson, TX (US);
Yi-Zhong Wang, Richardson, TX (US);
Assignee:
VITAL ART AND SCIENCE, LLC, Richardson, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/02 (2006.01); A61B 3/032 (2006.01); A61B 3/00 (2006.01); A61B 5/145 (2006.01); H04N 5/351 (2011.01);
U.S. Cl.
CPC ...
A61B 3/032 (2013.01); A61B 3/005 (2013.01); A61B 3/0033 (2013.01); A61B 3/0066 (2013.01); A61B 3/0075 (2013.01); A61B 5/14532 (2013.01); H04N 5/351 (2013.01); G09G 2380/08 (2013.01);
Abstract
In one aspect, there is provided an embodiment of a calibration system for use with a vision tester having a display. In this particular embodiment, the calibration system comprises a calibration stand and a reflective surface. The calibration stand is configured to hold the vision tester. The reflective surface is coupled to the calibration stand and is oriented substantially parallel to the display. The calibration stand is configured to hold the display of the vision tester at a fixed distance from the reflective surface.