Inventor
FISCHER KARIN
2 patents
Patents
2 patentsUS4323970AApr 6, 1982
Method and circuit arrangement for generating setting signals for signal generators of a traffic signal system, particularly a street traffic signal system
SIEMENS AG18 citations69
US4215405AJul 29, 1980
Method and apparatus for securing the intermediate time durations in street traffic signal systems
SIEMENS AG10 citations69