Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10544613 | Security-enhanced garage door opener system | Philip Y. W. Tsui | 2020-01-28 |
| 9485124 | Method and apparatus for multiple bit encoding | Philip Y. W. Tsui | 2016-11-01 |
| 9343990 | Low current consumption electrical control switch | Philip Y. W. Tsui | 2016-05-17 |
| 8976002 | Universal remote control system | Philip Y. W. Tsui | 2015-03-10 |
| 8957766 | Universal transmitter | Philip Y. W. Tsui | 2015-02-17 |
| 8922352 | Remote control device with password functions | Philip Y. W. Tsui | 2014-12-30 |
| 8446101 | Control switch | Philip Y. W. Tsui | 2013-05-21 |
| 8310339 | Method and system for triggering an operating device | Philip Y. W. Tsui | 2012-11-13 |
| D635102 | Wall switch | Philip Y. W. Tsui | 2011-03-29 |
| 7884701 | External barrier operator device | Philip Y. W. Tsui | 2011-02-08 |
| 7863777 | Low power switching circuit | Philip Y. W. Tsui | 2011-01-04 |
| D621795 | Wall switch | Philip Y. W. Tsui | 2010-08-17 |
| 7688014 | System and method for a moveable barrier operator | Ping Hung Tang, Philip Y. W. Tsui | 2010-03-30 |
| 7205908 | Systems and methods for proximity control of a barrier | Philip Y. W. Tsui | 2007-04-17 |
| 7170426 | Systems and methods for proximity control of a barrier | Philip Y. W. Tsui | 2007-01-30 |
| 7170248 | Systems and methods for operating a barrier | Philip Y. W. Tsui | 2007-01-30 |
| 7088265 | Systems and methods for proximity control of a barrier | Philip Y. W. Tsui | 2006-08-08 |
| 6597291 | Garage door monitoring system | — | 2003-07-22 |