METHOD AND APPARATUS FOR EXTRACTING INFORMATION FROM AN OBJECT THAT IS WITHIN A LARGE INTERROGATION ZONE
Patent №
US 4,491,923
Granted
1985-01-01
Filed 1982
Owner
MINNESOTA MINING AND MANUFACTURING COMPANY, A CORP. OF DE.
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
06347240
A method and apparatus for extracting information from an object within a large interrogation zone by utilizing a retroreflective backing to define the location of the object and/or information on the object, and an apparatus designed to eliminate from consideration all specularly and diffusely reflected light otherwise present within the zone and thereby isolate the retroreflective backing within the zone. The apparatus then extracts the information which was defined by the retroreflective backing.
AI classification
Ownership
MINNESOTA MINING AND MANUFACTURING COMPANY, A CORP. OF DE.
assignment · 39760902
Assignors
LOOK, THOMAS F.
On an employer assignment, the assignors are typically the inventors.