Inventor
EMMONS LAWRENCE D
US13 patents
⚠️ This page may combine multiple inventors who share the name “EMMONS LAWRENCE D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUMA TELECOM INC
5 patentsUS4943994AJul 24, 1990
Still picture picturephone communications system
LUMA TELECOM INC79 citations94
US4932047AJun 5, 1990
Conversational video phone
LUMA TELECOM INC141 citations94
US4715059ADec 22, 1987
Conversational video phone
LUMA TELECOM INC127 citations94
US4918718AApr 17, 1990
Quadrature amplitude modulation with line synchronization pulse for video telephone
LUMA TELECOM INC30 citations86
US4926245AMay 15, 1990
Quadrature amplitude modulation preserving one channel zero crossing for video telephone
LUMA TELECOM INC8 citations73