Patent ID: 9482585
Filing Date: 2016-11-01
CPC Classification: F01D,F05D,G01B,G01D,G01K,G01L,G06T,Y02T,Y10T

Claim Text:
1. A monitoring system comprising: a light emitting sensor in direct contact with an article; a high-speed image acquisition system for detecting an optical image of the light emitting sensor; and a high-speed data processing system for analyzing the image to determine strain of the article, wherein the light emitting sensor is disposed on a surface of the article in the form of a geometric pattern, wherein the geometric pattern is in the form of a grid, an array of marks, a Moiré pattern, or combinations thereof, and wherein the light emitting sensor comprises features of about 70 microns in diameter and 40 microns in height, and spacing between the features is about 70 microns.