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:
Jan. 13, 2015
Filed:
Jun. 10, 2014
Intellectual Reserves, Llc, Parker, TX (US);
Alvin R Wirthlin, Frisco, TX (US);
Leon Brown, Parker, TX (US);
Intellectual Reserves, LLC, Parker, TX (US);
Abstract
A system and method for measuring the quality of a fluid includes an optical body forming a measurement surface configured for contacting the fluid to be measured; a light source for projecting radiant energy into the optical body and toward the measurement surface at a predetermined angle; an optical sensor module arranged for detecting an image of at least reflected radiant energy from the measurement surface, the optical sensor module includes a two-dimensional array of light sensors or pixels, each pixel having a plurality of brightness levels; and a processor for setting a brightness threshold value, comparing the threshold value to the brightness level of each pixel, and counting the number of pixels above and/or below the brightness threshold value.