Inventor
VECCHIOTTI ALBERTO
US22 patents
⚠️ This page may combine multiple inventors who share the name “VECCHIOTTI ALBERTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
19 patentsUS6467585B1Oct 22, 2002
Wireless safety chain for elevator system
OTIS ELEVATOR CO85 citations96
US5929400AJul 27, 1999
Self commissioning controller for field-oriented elevator motor/drive system
OTIS ELEVATOR CO155 citations96
US5909018AJun 1, 1999
Automatic fine-tuning of rotor time constant and magnetizing current in field-oriented elevator motor drive
OTIS ELEVATOR CO29 citations92
US5880416AMar 9, 1999
Automatic calibration of motor speed loop gain for an elevator motor control
OTIS ELEVATOR CO41 citations92
US5883344AMar 16, 1999
Automatic calibration of field-oriented elevator motor drive parameters using standstill motor measurements
OTIS ELEVATOR CO33 citations91
US5880415AMar 9, 1999
Automatic calibration of current regulator control compensation for an elevator motor drive with locked rotor
OTIS ELEVATOR CO21 citations91
US7426981B2Sep 23, 2008
Elevator wireless communication infrastructure using piconet modules
OTIS ELEVATOR CO29 citations90
US6253879B1Jul 3, 2001
Apparatus and method of determining overspeed of an elevator car
OTIS ELEVATOR CO22 citations90
US5677519AOct 14, 1997
Elevator leveling adjustment
OTIS ELEVATOR CO30 citations90
US6401875B1Jun 11, 2002
Absolute position sensing method and apparatus for synchronous elevator machines by detection stator iron saturation
OTIS ELEVATOR CO43 citations89
US7479861B2Jan 20, 2009
Inductively coupled power, useful for wireless elevator hall fixtures
OTIS ELEVATOR CO29 citations88
US7264090B2Sep 4, 2007
Elevator employing radio frequency identification devices (RFIDs)
OTIS ELEVATOR CO24 citations88
US6848543B2Feb 1, 2005
Single wall interface traction elevator
OTIS ELEVATOR CO26 citations88
US7597177B2Oct 6, 2009
Ultrasonic/electromagnetic non-contact buttons/switches for elevators
OTIS ELEVATOR CO10 citations82
US8356698B2Jan 22, 2013
Wireless elevator hall fixtures integral with hall door frame
OTIS ELEVATOR CO9 citations79
US5777280AJul 7, 1998
Calibration routine with adaptive load compensation
OTIS ELEVATOR CO16 citations69
US5896954AApr 27, 1999
Automatic fine tuning of rotor time constant in field-oriented elevator motor drive
OTIS ELEVATOR CO7 citations68
US6484849B2Nov 26, 2002
Elevator speed measurement system including reflective signal technology for making speed determinations
OTIS ELEVATOR CO6 citations63
US5889238AMar 30, 1999
Deceleration time for an elevator car
OTIS ELEVATOR CO4 citations59