Electric heating – Metal heating – By arc
Patent
1984-12-27
1986-01-28
Shaw, Clifford C.
Electric heating
Metal heating
By arc
318577, 358101, 901 42, 901 47, B23K 912
Patent
active
045673489
ABSTRACT:
A device for automatically controlling the movement of a welding torch (10) while welding an elongated joint (18). A charge injection television camera (30) is carried on a movable support (20) and includes a matrix of individual light sensing video elements (pixels, 32) which generate voltages responsive to light reflected off of the joint (18) and surrounding areas of the workpiece (12). The voltages produced by the pixels (32) are converted to digital words which are fed to a microprocessor (54) for generating an error signal. This error signal is fed to a digital motor (26) which is used to drive a movable support (20) upon which the television camera (30) is carried.
REFERENCES:
patent: 4380696 (1983-04-01), Masaki
patent: 4390955 (1983-06-01), Arimura
patent: 4410787 (1983-10-01), Kremers et al.
patent: 4412121 (1983-10-01), Kremers et al.
Burns, Jr. Morrison R.
Smith Hubert E.
Wall William A.
Beumer Joseph H.
Manning John R.
Shaw Clifford C.
The United States of America as represented by the Administrator
Wofford, Jr. Leon D.
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