US 12,146,901 B1
System and method for providing information on measurement errors for instruments
Ian Reading, Edinburgh (GB); Paul Duncan, Glasgow (GB); Eric Breakenridge, Clackmannanshire (GB); and Colin M. Arthur, Edinburgh (GB)
Assigned to KEYSIGHT TECHNOLOGIES, INC., Santa Rosa, CA (US)
Filed by Keysight Technologies, Inc., Santa Rosa, CA (US)
Filed on Oct. 22, 2021, as Appl. No. 17/508,323.
Int. Cl. G01R 19/32 (2006.01)
CPC G01R 19/32 (2013.01) 19 Claims
OG exemplary drawing
 
1. An instrument that measures a physical quantity, said instrument comprising:
a sensor that measures said physical quantity and generates a value, Vm, for said physical quantity;
an instrument class error calculator that provides an instrument class error associated with Vm; and
a communication interface that transfers said instrument class error to an entity separate from said instrument, wherein said instrument is a member of a class of instruments and wherein said instrument class error calculator stores information specifying a PDF for Vm representing said instrument class errors across said class of instruments based on measurements made by other instruments in said class of instruments.