Inventor

AMEND BRIAN J

US3 patents

Patents

3 patents

US5567931AOct 22, 1996

Variable beam detection using a dynamic detection threshold

OTIS ELEVATOR CO32 citations89

US5696362ADec 9, 1997

Weak beam detection

OTIS ELEVATOR CO22 citations87

US5896951AApr 27, 1999

Optimization of magnetizing current in linear induction motors

OTIS ELEVATOR CO8 citations69