专利名称：Monitoring system for program controlled
apparatus
发明人：Georg Haubner,Jurgen Wesemeyer,Hans
Schrumpf,Jorg Birmelin,Manfred
Schwab,Gunter Honig,Uwe Kiencke,AlfredSchulz,Werner Meier
申请号：US06/080520申请日：19791001公开号：US04287565A公开日：19810901
摘要：To supervise a program controlled device which is subject to stray noise ordisturbance pulses, particularly microprocessor controlled automotive vehicle electronicsystems, a timing circuit is provided responsive to check pulses added to the programand defining a timing interval, the monitoring system distinguishing between disturbancepulses and static defects by supervising the control pulses and, upon failure of thecontrol pulses, generating a program restart or interrupt signal, respectively, which bothinitiate a new start of the program cycle or, respectively, define a timing interval which,upon failure to sense further control pulses, initiates energization of an emergencyswitching system. Continuous failure to receive control pulses also can initiate theemergency switching system. To permit start-up, and before control pulses are obtained,a time delay circuit is provided which disables the monitoring system upon switching ONof the program controlled device at least for the time period of one check pulse cycle.
申请人：ROBERT BOSCH GMBH
代理机构：Frishauf, Holtz, Goodman & Woodward
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