1
Pengju Kang, Jae Hyuk Oh, Alan M Finn, Pei Yuan Peng, Norbert A M Hootsmans: RFID and low resolution CCD sensor based positioning system. Otis Elevator Company, Bachman & LaPointe P C, October 13, 2009: US07600613 (16 worldwide citation)

An apparatus and method for measuring a position of a moveable platform comprising a plurality of RFID tags encoded with location information situated at known locations and a plurality of visual markers situated at precise, known locations. An RF reader attached to a moveable platform reads the RFI ...


2
Jae Hyuk Oh, Robin Mihekun Miller, Richard E Peruggi, Samuel Wan, Anthony Cooney, Adriana Bacellar, Pei Yuan Peng: Remotely resettable ropeless emergency stopping device for an elevator. Otis Elevator Company, Carlson Gaskey & Olds, August 18, 2009: US07575099 (14 worldwide citation)

A brake mechanism (10) for an elevator (2) is activated in response to an electronic control signal to prevent movement of an elevator car (16) under predetermined conditions. The brake mechanism is preferably a safety mechanism (10) and does not require a governor sheave, a governor rope, or a tens ...


3
Jae Hyuk Oh, Alan Finn, Pei Yuan Peng, Pengju Kang: Passive ultrasonic RFID elevator positioning reference system. Otis Elevator Company, Bachman & LaPointe P C, October 28, 2008: US07441631 (12 worldwide citation)

An apparatus for measuring a position of a moveable platform includes a plurality of transponder modules. The transponder modules include an electromagnetic transmitter adapted to emit an electromagnetic signal, and an acoustic receiver adapted to receive an acoustic signal. At least two of the plur ...


4
Jae Hyuk Oh, Alan M Finn, Pei Yuan Peng: Elevator cab locating system including wireless communication. Otis Elevator Company, Carlson Gaskey & Olds, July 18, 2006: US07077244 (11 worldwide citation)

An elevator system (20) includes wireless communicating portions (40, 42) that communicate with each other to provide elevator cab (22) position information within a hoistway (24). In one example, a first communicating portion (40) is supported on the elevator cab (22) that generates a radio frequen ...


5
Jacek F Gieras, Jae Hyuk Oh, Mihai Huzmezan, Hashad S Sane: Electromechanical energy harvesting system. Chubb International Holdings, Kinney & Lange P A, October 4, 2011: US08030807 (10 worldwide citation)

An ambient energy harvesting system, and method of use thereof, includes a magnetic flux-generating assembly (28), a coil (30) positioned adjacent to the magnetic flux-generating assembly (28), and a cantilevered arm (24). Vibration of the cantilevered arm (24) enables relative movement between the ...


6
Alan Finn, Jae Hyuk Oh, Pei Yuan Peng, Chris Pietrzykowski: Position reference system for elevators. Otis Elevator Company, Bachman & LaPointe P C, June 2, 2009: US07540357 (7 worldwide citation)

A position reference system for use with a conveyance, such as an elevator (12). The system includes a code affixed to or embedded within a suspension device or primary motion coupling such as a rope or coated steel belt (16). A reader (28) in a fixed location determines the position of the conveyan ...


7
Jae Hyuk Oh, Alan M Finn, Pei Yuan Peng, Norbert A M Hootsmans: Electromagnetic/ultrasonic roll-calling/answering (EURA) system for elevator positioning. Otis Elevator Company, Bachman & Lapointe P C, February 24, 2009: US07493991 (7 worldwide citation)

A positioning system for an elevator cab (37) includes transponder modules (10) having a unique ID for receiving a signal (39) and emitting an ultrasonic signal when the signal is equivalent to the unique ID with a determination of position based on the time duration of the signals.


8
Alan M Finn, Jae Hyuk Oh, Pei Yuan Peng: Device and method for self-aligning position reference system. Otis Elevator Company, Bachman & LaPointe P C, August 11, 2009: US07571791 (4 worldwide citation)

A positioning system for a moveable platform comprising at least one active array comprised of at least one light emitting element for transmitting a binary encoded identification, where the encoding may be spatial or temporal, positioned at a known location, at least one camera for acquiring an ima ...


9
Jae Hyuk Oh, Norbert A M Hootsmans: Elevator system with wireless hall call buttons. Otis Elevator Company, Kinney & Lange P A, August 28, 2012: US08253548 (3 worldwide citation)

An elevator system (10) includes a wireless batteryless hall call switch module (22) that transmits a unique wireless code when a person presses a hall call button (32, 34) requesting elevator service. A hall indicator module (24) includes an RF transceiver (64) that receives the wireless code from ...


10
Jae Hyuk Oh, Alberto Vecchiotti, John Milton Benoit, Pei Yuan Peng, Norbert A M Hootsmans: Ultrasonic/electromagnetic non-contact buttons/switches for elevators. Otis Elevator Company, Bachman & LaPointe P C, October 6, 2009: US07597177 (3 worldwide citation)

A method of providing non-contact data selection, comprising the steps of providing at least one data selection, transmitting at least one signal in proximity to the at least one data selection, altering the path of the at least one transmitted signal through interaction with a selection device, det ...