Inventor
UNTERWEGER HEINZ
4 patents
Patents
4 patentsUS4000410ADec 28, 1976
Circuit arrangement for superposing starting conditions at an electrical operating means-simulator composed of RC-elements
SPRECHER & SCHUH AG7 citations70
US3988641AOct 26, 1976
Phase breakdown- and null current-detector, especially for an electronic motor protection relay possessing current-dependent triggering
SPRECHER & SCHUH AG11 citations70
US4015178AMar 29, 1977
Reference value transmitter for a phase clipping control for starting a squirrel cage-asynchronous motor
SPRECHER & SCHUH AG15 citations64
US4065805ADec 27, 1977
Circuit arrangement in an electrical device operated with direct-current, especially in a timing relay
SPRECHER & SCHUH AG8 citations63