Patent ID: 11887414
Assignee: GEOTAB INC.
Field: Control (Instruments)
Classification: CPC G  B  Y | IPC B  G

Claim 1:
2. The method of claim 1, wherein the first signals comprise one or more of:
an “O” signal derived from the operational data when a series of four out of five consecutive data point values are between the mean and greater than plus one standard deviation or between the mean and greater than the minus one standard deviation,
a “B” signal derived from the operational data when a series of two out of three consecutive data point values are between the mean and greater than plus two standard deviation or the mean and greater than the minus two standard deviation, and
a “Y” signal derived from the operational data when a series of eight consecutive data point values are between the mean and the upper control limit or between the mean and the lower control limit.