Malfunction detection system for intermittent events

Details Malfunction detection system for intermittent events Malfunction detection system for intermittent events

1992-11-06

1995-10-03

Callahan, Timothy P.

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Control

377 15, 377 16, G06M 300

Patent

active

054558484

ABSTRACT:
A malfunction detection system for monitoring the occurrence of intermittent events during the operation of an industrial machine of the type comprising a machine controller and characterized by repetitive machine cycles and for directing the machine controller to stop the industrial machine in the absence of the occurrence of one of the intermittent events within a preselected number of machine cycles following the next preceding one of said intermittent events.

REFERENCES:
patent: 3670147 (1972-06-01), Wright
patent: 3911254 (1975-10-01), Leibrecht et al.
patent: 4105914 (1978-08-01), Murata et al.
patent: 4485442 (1984-11-01), Snaper et al.
patent: 4532421 (1985-07-01), Sasaoka et al.

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