Boots – shoes – and leggings
Patent
1977-03-17
1978-10-17
Wise, Edward J.
Boots, shoes, and leggings
364472, 72 37, B21B 3700, G06F 1546
Patent
active
041212940
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 cold-size bar diameter measurement, with respect to commercial tolerance references and a gaging system histogram.
Camera head electronics includes camera AGC circuit, 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 and digital bar position-in-field-of-view signals. The digital computer assimilates bar size and bar position signals bar temperature, aim size, and other data signals. The computer is programmed to: (a) compensate bar size signal for field-of-view errors and other optical and electronic nonlinearities, bar temperature and other sources of error; (b) calibrate the gage off-line and automatically recalibrate the gage on-line to correct for drift and slope errors; (c) perform a gaging system histogram; and (d) communicate with the CRT and printing terminals and an exterior control system.
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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.
Jones Duane T.
Bethlehem Steel Corporation
Delaney Michael J.
Iverson John I.
O'Keefe Joseph J.
Wise Edward J.
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