Patent Document ID: 4644479
Application ID: 06636195
Patent Flag: 1

Claim One:
1. Diagnostic apparatus for monitoring an operating system subject to malfunctions, comprising: (A) a plurality of sensors providing signals indicative of predetermined parameters of said system; (B) control means operable to establish a first subsystem for each of a selected number of said sensors and including means to periodically obtain readings of sensor output signals for providing particular indications of sensor output reading changes, if any; (C) said control means operable to establish a second subsystem responsive to selected sensor readings as well as selected ones of said change indications provided by said first subsystem to provide validated conclusions relative to a sensor signal with each having a certain confidence factor in the validity of the conclusion; and (D) said control means operable to establish at least a third subsystem responsive to sensor signals as well as said validated conclusions relative to the sensor signals to provide indications of possible malfunctions in said operating system.