Inventor
VON SICHART FRITHJOF
9 patents
Patents
9 patentsUS4682047AJul 21, 1987
Complementary metal-oxide-semiconductor input circuit
SIEMENS AG44 citations91
US4661952AApr 28, 1987
Method for transmitting data in a telecommunications exchange
SIEMENS AG42 citations89
US4415883ANov 15, 1983
Circuit arrangement for converting digital signals in particular PCM signals, into corresponding analog signals with a R-2R chain network
SIEMENS AG9 citations72
US4468651AAug 28, 1984
Method for eliminating the zero point error in an iterative analog-digital converter
SIEMENS AG11 citations71
US4455648AJun 19, 1984
Time division multiplex switching network unit
SIEMENS AG9 citations71
US4340962AJul 20, 1982
Circuit arrangement for the synchronization of a digital subscriber station by a digital exchange in a PCM telecommunication network
SIEMENS AG8 citations71
US4482995ANov 13, 1984
Time division multiplex switching network unit
SIEMENS AG3 citations60
US4336527AJun 22, 1982
Digital-to-analog converter
SIEMENS AG4 citations57
US4547765AOct 15, 1985
Method and circuit arrangement for transliteration of code words
SIEMENS AG1 citations47