Inventor
APFELBECK OTTO L
4 patents
Patents
4 patentsUS4434358AFeb 28, 1984
Aircraft window heat controller with switched impedances
WESTINGHOUSE ELECTRIC CORP32 citations89
US4357524ANov 2, 1982
Electrical heater controller for aircraft window heat control
WESTINGHOUSE ELECTRIC CORP38 citations89
US4086503AApr 25, 1978
Control circuit initiating conduction of an opto-isolator unit
WESTINGHOUSE ELECTRIC CORP26 citations80
US4319145AMar 9, 1982
Control interface circuit
WESTINGHOUSE ELECTRIC CORP12 citations70