Inventor
KNOP HANS-GEORG
13 patents
⚠️ This page may combine multiple inventors who share the name “KNOP HANS-GEORG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HELL RUDOLF DR ING GMBH
12 patentsUS4414635ANov 8, 1983
Method and circuit for recognition of colors
HELL RUDOLF DR ING GMBH130 citations94
US4136360AJan 23, 1979
Apparatus including a circuit arrangement for adjusting the color signal levels of a white dot
HELL RUDOLF DR ING GMBH23 citations81
US4054916AOct 18, 1977
Apparatus for improving sharpness when recording continuous-tone pictures
HELL RUDOLF DR ING GMBH19 citations81
US4521812AJun 4, 1985
Method of improving contrast accentuation
HELL RUDOLF DR ING GMBH8 citations73
US4261011AApr 7, 1981
Color separation production using color recognition circuit
HELL RUDOLF DR ING GMBH11 citations73
US4092668AMay 30, 1978
Correction circuit for a color scanner
HELL RUDOLF DR ING GMBH12 citations73
US4005475AJan 25, 1977
Method for improving sharpness when recording half-tone pictures by modulating a sharpness signal
HELL RUDOLF DR ING GMBH9 citations73
US4403249ASep 6, 1983
Apparatus for mixing image signals to obtain a printing master
HELL RUDOLF DR ING GMBH9 citations72
US4096519AJun 20, 1978
Circuit arrangement for resetting the signal level of a darkest area of a color or monochrome image reproduction apparatus
HELL RUDOLF DR ING GMBH14 citations72
US4812913AMar 14, 1989
Diaphragm arrangement for opto-electronic scanning of originals
HELL RUDOLF DR ING GMBH16 citations71
US4564859AJan 14, 1986
Method and an apparatus for producing color separations for single color printing
HELL RUDOLF DR ING GMBH14 citations68
US4293872AOct 6, 1981
Production of printing blocks or forms
HELL RUDOLF DR ING GMBH4 citations62