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:
Nov. 26, 1985
Filed:
Sep. 13, 1983
Applicant:
Inventors:
Michael D Polad, Mendota, MN (US);
LeRoy E Gerlach, Bloomington, MN (US);
Robert H Schmidt, Minnetonka, MN (US);
Assignee:
Data Card Corporation, Minnetonka, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191 / ; 2191 / ; 2191 / ; 2191 / ; 2191 / ; 364474 ;
Abstract
A laser machining system with x, y and z-axis beam manipulating mechanisms to perform welding, cutting and localized heat treating operations on a workpiece with the operation of the system for each operation and the changeover between operations being under the control of an automatic control system. A computer numerical control (CNC) system provides control of the laser functions and movement of the laser beam using a sampled-data following error servo system.