Boots – shoes – and leggings
Patent
1977-03-17
1978-07-04
Wise, Edward J.
Boots, shoes, and leggings
364472, 72 37, B21B 3700, G06F 1546
Patent
active
040992446
ABSTRACT:
Computerized electro-optical system gages dimension of a moving hot bar. Back-lighted electronic camera head generates high-speed bar shadow pulses which represent the bar dimensions. Bar pulses are processed by way of camera electronics and a digital computer. CRT and printing terminals, interacting with the computer, indicate and/or record a recalibration mask table and a cold-size bar diameter measurement.
Camera head electronics includes camera AGC, a digital type one-axis bidirectional linear sweep, bar pulse edge-detection with an autocorrelator to remove noise and enhance the bar pulse, and a digital accumulator of digital bar size signals. The digital computer assimilates bar size along with bar temperature, aim size, and other data signals. The computer is programmed to: (a) compensate bar size signals for bar temperature; (b) calibrate the gage off-line and automatically recalibrate the gage on-line to correct for drift and slope errors; and (c) communicate with the CRT and printing terminals and an exterior control system.
REFERENCES:
patent: 3676652 (1972-07-01), Millis, Jr. et al.
patent: 3713313 (1973-01-01), Spradlin
patent: 3854822 (1974-12-01), Altman et al.
patent: 3902811 (1975-09-01), Altman
A Microprocessor-Based Gauge Controller for Metals Rolling Applications; D. M. Hershberger, J. G. Underwood; IEEE Transactions On Industrial Electronics and Control Instrumentation, vol. IECI-22, No. 3, pp. 333-337, Aug. 1975.
Clymer John C.
Galanis Tom L.
Hoffner Joel L.
Bethlehem Steel Corporation
Delaney Michael J.
Dower George G.
O'Keefe Joseph J.
Wise Edward J.
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