| 8260042 |
Anonymous passenger indexing system for security tracking in destination entry dispatching operations |
Pei-Yuan Peng |
2012-09-04 |
| 8253548 |
Elevator system with wireless hall call buttons |
Jae-Hyuk Oh |
2012-08-28 |
| 7801690 |
Tensile support strength measurement system and method |
William A. Veronesi |
2010-09-21 |
| 7731000 |
Roll-calling mechanism based vision system for elevator positioning |
Jae-Hyuk Oh, Alan Matthew Finn, Pei-Yuan Peng |
2010-06-08 |
| 7600613 |
RFID and low resolution CCD sensor based positioning system |
Pengju Kang, Jae-Hyuk Oh, Alan Matthew Finn, Pei-Yuan Peng |
2009-10-13 |
| 7597177 |
Ultrasonic/electromagnetic non-contact buttons/switches for elevators |
Jae-Hyuk Oh, Alberto Vecchiotti, John M. Milton-Benoit, Pei-Yuan Peng |
2009-10-06 |
| 7493991 |
Electromagnetic/ultrasonic roll-calling/answering (EURA) system for elevator positioning |
Jae-Hyuk Oh, Alan Matthew Finn, Pei-Yuan Peng |
2009-02-24 |