A high resolution and high speed analog to digital converter for use with a transducer in measuring parameters such as weight, which may stay the same or which may change in the system, the converter having an integrator which integrates for a fixed period the output voltage from the transducer, and...http://www.google.com/patents/US5128676?utm_source=gb-gplus-sharePatent US5128676 - Variable conversion rate analog-to-digital converter
