Inventor
HEHLEN ROBERT
FR7 patents
⚠️ This page may combine multiple inventors who share the name “HEHLEN ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THOMSON CSF
6 patentsUS4481510ANov 6, 1984
Electrooptical switching device
THOMSON CSF61 citations93
US4621261ANov 4, 1986
System for making a thermo-active device temperature dependent
THOMSON CSF24 citations78
US4673256AJun 16, 1987
Process for controlling a matrix access display device
THOMSON CSF8 citations73
US4173757ANov 6, 1979
Liquid crystal display device
THOMSON CSF17 citations73
US4525708AJun 25, 1985
Thermoelectric effect display device
THOMSON CSF17 citations72
US4427997AJan 24, 1984
Control device for a display screen and display screen controlled by this device
THOMSON CSF9 citations72