Inventor
FRECH JOHN W
US4 patents
⚠️ This page may combine multiple inventors who share the name “FRECH JOHN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTINGHOUSE ELECTRIC CORP
3 patentsUS5491468AFeb 13, 1996
Identification system and method with passive tag
WESTINGHOUSE ELECTRIC CORP124 citations92
US4430642AFeb 7, 1984
Digital-to-analog converter
WESTINGHOUSE ELECTRIC CORP39 citations90
US4342983AAug 3, 1982
Dynamically calibrated successive ranging A/D conversion system and D/A converter for use therein
WESTINGHOUSE ELECTRIC CORP32 citations90