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| 7444120 |
Active transmitter ringdown for switching power amplifier |
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| 7301459 |
Closed loop transmitter control for power amplifier in an EAS system |
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2007-11-27 |
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Automatic wireless synchronization of electronic article surveillance systems |
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| 6947860 |
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Electronic article surveillance system |
Harry E. Watkins, Brent F. Balch, Richard L. Copeland, Hubert A. Patterson, Mart Martinson |
1992-04-07 |
| 4318055 |
Digitally controlled phase lock distillator system |
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1982-03-02 |