A digital signal linearizer for obtaining a linear digital output from a non-linear input. The output voltage of a thermocouple is converted to a train of pulses by a dual slope analog to digital converter. The number of pulses in the pulse train is proportional to the voltage and is linearized by a...http://www.google.de/patents/US3939459?utm_source=gb-gplus-sharePatent US3939459 - Digital signal linearizer
