| 8164307 |
Method and apparatus for monitoring the voltage of a battery |
Nikola Cargonja, Joseph S. Chan |
2012-04-24 |
| 8111141 |
Received signal strength distance determination of low frequency tags |
Timothy K. Brand, Stephen E. Hilliker, Joseph S. Chan, Albert Nardelli, Nikola Cargonja +1 more |
2012-02-07 |
| 7911182 |
Method and apparatus for detecting a battery voltage |
Nikola Cargonja, Joseph S. Chan |
2011-03-22 |
| 7768392 |
Received signal strength location determination of low frequency tags |
Timothy K. Brand, Stephen E. Hilliker, Joseph S. Chan, Albert Nardelli, Nikola Cargonja +1 more |
2010-08-03 |
| 7755486 |
Expanded compatibility RFID tags |
Liping Zhu, Allan M. Evans, Steven J. Farrell |
2010-07-13 |
| 7629879 |
Method and apparatus for handling signpost signals in a tag |
Nikola Cargonja, Joseph S. Chan, Neal F. Herman |
2009-12-08 |
| 7570176 |
Radio frequency identification tag and a method of operating same |
Nikola Cargonja, Joseph S. Chan |
2009-08-04 |
| 7541942 |
Method and apparatus for processing signpost signals received by a tag |
Nikola Cargonja, Joseph S. Chan |
2009-06-02 |
| 7386404 |
Method and apparatus for monitoring battery discharge state |
Nikola Cargonja, Joseph S. Chan |
2008-06-10 |