Inventor
HOOTSMANS NORBERT A M
US6 patents
⚠️ This page may combine multiple inventors who share the name “HOOTSMANS NORBERT A M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
4 patentsUS7600613B2Oct 13, 2009
RFID and low resolution CCD sensor based positioning system
OTIS ELEVATOR CO35 citations92
US7731000B2Jun 8, 2010
Roll-calling mechanism based vision system for elevator positioning
OTIS ELEVATOR CO9 citations83
US7493991B2Feb 24, 2009
Electromagnetic/ultrasonic roll-calling/answering (EURA) system for elevator positioning
OTIS ELEVATOR CO15 citations83
US7597177B2Oct 6, 2009
Ultrasonic/electromagnetic non-contact buttons/switches for elevators
OTIS ELEVATOR CO10 citations82