Patent №
US 8,282,000
Granted
2012-10-09
Filed 2011
Owner
COGNEX TECHNOLOGY AND INVESTMENT CORPORATION
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
13294285
Systems and methods are provided for selectively controlling the illumination, and particularly dark field illumination, applied to a symbol to be decoded, and for determining a suitable or optimized level of lighting for decoding the symbol. A method includes providing a light source comprising a plurality of individually-controllable lighting elements for providing low angle dark field illumination; activating an image sensor for detecting image data reflected from an encoded data symbol when the encoded data symbol is illuminated by the light source; and providing a controller connected to each of the individually-controllable lighting elements, the controller being programmed for: selectively activating the individually-controllable lighting elements to vary the direction of the low angle dark field illumination provided by the light source; and processing the image data detected by the image.
AI classification
Ownership
COGNEX TECHNOLOGY AND INVESTMENT CORPORATION
assignment · 279970724
Assignors
GERST III, CARL W., EQUITZ, WILLIAM H, TESTA, JUSTIN, NADABAR, SATEESH
On an employer assignment, the assignors are typically the inventors.