Inventor
GREUBEL WALDEMAR
14 patents
⚠️ This page may combine multiple inventors who share the name “GREUBEL WALDEMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
11 patentsUS4113360ASep 12, 1978
Indicating device for illustrating symbols of all kinds
SIEMENS AG105 citations95
US4257676AMar 24, 1981
Device for collecting light
SIEMENS AG32 citations92
US4142781AMar 6, 1979
Electro-optical display device with electro-optical light valves
SIEMENS AG48 citations92
US4222880ASep 16, 1980
Arrangement for optical transmission of communications
SIEMENS AG21 citations79
US4264124AApr 28, 1981
Device for collecting light and method of manufacturing such device
SIEMENS AG11 citations73
US4260219AApr 7, 1981
Device for collecting light and method of manufacturing such device
SIEMENS AG11 citations73
US4235527ANov 25, 1980
Display device comprising a light valve unit in conjunction with the fluorescent plate
SIEMENS AG7 citations71
US4265516AMay 5, 1981
Display device with a light valve operated in a time division multiplex method
SIEMENS AG2 citations63
US4405210ASep 20, 1983
Display device for displaying light images on a dark background
SIEMENS AG6 citations62
US4244636AJan 13, 1981
Display device for the representation of bright images on a dark background and a process for operation of the device
SIEMENS AG3 citations62
US4240711ADec 23, 1980
Display device comprising a liquid crystal cell with light valves
SIEMENS AG6 citations58