Patent ID: 6188971
Filing Date: 2001-02-13
Classification: G01D,G01K

Abstract:
A system for converting a temperature reading into a value expressed in an engineering unit format, said system comprising:a thermocouple for converting said temperature reading into a first voltage reading;an analog-to-digital converter for converting said first voltage reading into a first digital value;at least one memory device for storing a plurality of first coefficients, a plurality of second coefficients, and a plurality of reference coefficients;a sequencer for enabling fetching of a first coefficient, a second coefficient, and a reference coefficient from said plurality of first coefficients, said plurality of second coefficients, and said plurality of reference coefficients stored in said at least one memory device;a first adder for subtracting said fetched reference coefficient from said first digital value, thereby producing a second digital value having low order bits and high order bits;a multiplier for multiplying a number identified by said low order bits, and said fetched first coefficient, thereby producing a product; anda second adder for adding said product to said fetched second coefficient, thereby producing said value expressed in an engineering unit format;wherein a reference temperature is used to address said at least one memory device when said sequencer fetches said reference coefficient, and said high order bits are used to address said at least one memory device when said sequencer fetches said first coefficient and said second coefficient.