Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9967908 | Method and device for reusing channel frequencies in direct mode | Quan-Wen Du, Yu-Yang Zheng | 2018-05-08 |
| 9578578 | Apparatus and method for enabling efficient handover of a receiving radio between radio frequency sites | Hun Weng Khoo, Dipendra M. Chowdhary, Chebron Padmanaba, Satyanarayan R. Panpaliya, Badarinath Patibandla | 2017-02-21 |
| 9473882 | Enhanced location data throughput on a windowed data channel in a radio communication system | Hun Weng Khoo, Dipendra M. Chowdhary, Xiao-Yu Li | 2016-10-18 |
| 9271257 | Method and apparatus for informing a radio of a group-call started while the radio was away from a control channel | Thomas B. Bohn, Dipendra M. Chowdhary, Hun Weng Khoo, Satyanarayan R. Panpaliya, Teik Choon Teh | 2016-02-23 |
| 9253773 | Method and apparatus for wirelessly transacting simultaneous voice and data on adjacent timeslots | Hun Weng Khoo, David G. Wiatrowski | 2016-02-02 |
| 9232382 | Method and apparatus for automatically determining a communication range status of communicating radios | David G. Wiatrowski, Teik Choon Teh | 2016-01-05 |
| 9232522 | Full duplex direct mode individual and group calling using adjacent time slots in a TDMA system | Hun Weng Khoo, Thomas B. Bohn, David G. Wiatrowski | 2016-01-05 |
| 9231693 | Full duplex individual call via linked single frequency repeaters | Hun Weng Khoo, Thomas B. Bohn, David G. Wiatrowski | 2016-01-05 |
| 8983513 | Method and apparatus for sending a channel timing message in a digital mobile radio system | Hun Weng Khoo, David G. Wiatrowski | 2015-03-17 |
| 8730855 | Method and device for detecting a channel | Hun Weng Khoo, David G. Wiatrowski | 2014-05-20 |
| 8660111 | Method and apparatus for tracking a channel timing channel message and supporting channel scanning in a digital mobile radio system | David G. Wiatrowski, John P. Belmonte, Dipendra M. Chowdhary | 2014-02-25 |
| 8462766 | Methods and apparatus for diffusing channel timing among subscriber units in TDMA direct mode | David G. Wiatrowski, John P. Belmonte, Dipendra M. Chowdhary | 2013-06-11 |
| 8208393 | Method and device for channel inspection in a communication system | John P. Belmonte, Dipendra M. Chowdhary, Hun Weng Khoo, David G. Wiatrowski | 2012-06-26 |
| 8139613 | Method and device for channel inspection in a communication system | John P. Belmonte, Dipendra M. Chowdhary, Hun Weng Khoo, David G. Wiatrowski | 2012-03-20 |
| 8045982 | Methods for site selection in a multi-site communication system | Hun Weng Khoo, John P. Belmonte, Dipendra M. Chowdhary, David G. Wiatrowski | 2011-10-25 |
| 7979068 | Method and device for traversing a scan list in a communication system | John P. Belmonte, Dipendra M. Chowdhary, Hun Weng Khoo, David G. Wiatrowski | 2011-07-12 |