| 7593511 |
Method for training line drivers in a communication system |
— |
2009-09-22 |
| 7068778 |
Integrated line inductor and line feed resistor |
— |
2006-06-27 |
| 6978014 |
Apparatus for providing power to line drivers in a communication system |
— |
2005-12-20 |
| 6973178 |
Method and apparatus for implementing a bandlimited ringing signal for telephone networks |
— |
2005-12-06 |
| 6922323 |
Protection circuitry for a subscriber line interface circuit (SLIC) arrangement |
— |
2005-07-26 |
| 6424661 |
ADSL with RF POTS overlay |
— |
2002-07-23 |
| 6409131 |
Easily re-positionable, quick attach and remove, multiple purpose support system |
Bruce R. Rosenau |
2002-06-25 |
| 6380608 |
Multiple level spiral inductors used to form a filter in a printed circuit board |
— |
2002-04-30 |
| 6373294 |
Microprocessor stabilized frequency source and method for generating a stable-frequency signal |
— |
2002-04-16 |
| 4654859 |
Frequency synthesizer for frequency hopping communication system |
Ching-Yi Kung |
1987-03-31 |