Inventor
WITTMER CHARLES M
US12 patents
⚠️ This page may combine multiple inventors who share the name “WITTMER CHARLES M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PERKIN ELMER CORP
5 patentsUS4868573ASep 19, 1989
Line frequency slaved voltage-to-frequency converter system
PERKIN ELMER CORP10 citations73
US4669877AJun 2, 1987
Digital gain controlled current to voltage amplifier
PERKIN ELMER CORP7 citations73
US4660977AApr 28, 1987
Synchronous wavelength drive and data acquisition conversion for a sequential spectrophotometer
PERKIN ELMER CORP10 citations73
US4415264ANov 15, 1983
Spectrophotometer gas control system
PERKIN ELMER CORP7 citations73
US4961207AOct 2, 1990
Synchronization of digital signals with alternating current
PERKIN ELMER CORP2 citations60