Inventor
SCHICK LUDWIG
5 patents
Patents
5 patentsUS4297632AOct 27, 1981
Device for monitoring lamp failure in airport navigation lighting
SIEMENS AG14 citations70
US4242638ADec 30, 1980
Circuit for monitoring the square of the RMS value of a periodic signal
SIEMENS AG5 citations59
US4050008ASep 20, 1977
Control unit for an a-c control element with full-wave control
SIEMENS AG4 citations59
US4342925AAug 3, 1982
Circuit arrangement for interruption-free voltage switching
SIEMENS AG3 citations58
US3999114ADec 21, 1976
Control unit for a converter
SIEMENS AG2 citations57