Boots – shoes – and leggings
Patent
1982-06-11
1986-05-13
Thomas, James D.
Boots, shoes, and leggings
355 14R, G06F 1520, G06G 748
Patent
active
045890803
ABSTRACT:
Selected points in a copier are monitored by signal lines connected to a computer. If a signal is detected on a signal line, the time of occurrence is stored in the computer's memory at a location associated with the point that caused the signal. Eventually an array of the times of operation of each monitored point will be stored. The computer then calculates the difference between the times stored for selected pairs of the monitored points and stores these, as intervals, in additional locations of the memory. The intervals are combined to give calculated statistical results (mean, deviation, etc.) each of which is then compared against predetermined values normal for correctly operating copiers also stored in the memory. The results of the comparison set error flags if the limits are exceeded indicating possible future copier failures.
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Abbott Jerry J.
Bierschbach James E.
Bobo Keith N.
Herring Greg S.
Hancock Earl C.
Hauptman Gunter A.
International Business Machines - Corporation
Shaw Dale M.
Thomas James D.
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