74371367
Mar 23, 1993
computer based systems comprising application and operating system computer programs, computer circuitry, computer peripherals, interface circuitry, digital-to-analog converters, analog-to-digital converters, signal multiplexers and filters, all for real-time control of a test facility and real-time multi-channel acquisition and frequency or time domain analysis of measurement signals obtained from that facility, all for use in the fields of vibration, fatigue, acoustic or rotating machine testing
Electrical and Scientific Apparatus