Data processing: measuring – calibrating – or testing – Measurement system – History logging or time stamping
Reexamination Certificate
2006-06-07
2009-08-18
West, Jeffrey R (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system
History logging or time stamping
C702S067000, C702S070000, C702S079000
Reexamination Certificate
active
07577551
ABSTRACT:
A method for coding an event history is disclosed. Information relating to a real time state of an event is received. For a defined interval of time, it is determined whether the state of the event is in one of two states. In response to the event being in a first state, a data stream is appended with a first characteristic representative of the first state, and in response to the event being in a second different state, the data stream is appended with a second characteristic representative of the second state. The appended data stream is saved, and the process repeated for the next sequential defined interval of time.
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GM Global Technology Operations Inc.
West Jeffrey R
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