A method and apparatus for regulating a measurement system. The apparatus includes a coordinator that transmits instruction signals based upon a program stored in a memory to an instrument through a communication bus. The instrument is also coupled to a device under test. A real-time synchronized clock...http://www.google.com/patents/US5293374?utm_source=gb-gplus-sharePatent US5293374 - Measurement system control using real-time clocks and data buffers
