| 7782141 |
Adaptive signal-feed-forward circuit and method for reducing amplifier power without signal distortion |
Lunal Khuon, Brian K. Kullberg |
2010-08-24 |
| 6999581 |
Event detection circuit |
Tony S. El-Kik, Keith Eugene Hollenbach, Donald R. Laturell |
2006-02-14 |
| 6920218 |
Combination clock and charge pump for line powered DAA |
Timothy W. Fuehrer, Keith Eugene Hollenbach, Donald R. Laturell |
2005-07-19 |
| 6744888 |
Line interface circuit with event detection signaling |
Tony S. El-Kik, Keith Eugene Hollenbach, Donald R. Laturell |
2004-06-01 |
| 6731728 |
Low noise line powered DAA with differential feedback |
Keith Eugene Hollenbach, Donald R. Laturell |
2004-05-04 |
| 6674856 |
Placement of a transmit predistortion filter with respect to a data access arrangement |
Paul D. Hendricks, Donald R. Laturell, Lane A. Smith |
2004-01-06 |
| 6625278 |
Impedance matching with sigma delta filter |
Paul D. Hendricks, Donald R. Laturell, Lane A. Smith |
2003-09-23 |
| 6553118 |
Method and apparatus for calculating DC offset in a digital gyrator |
Lane A. Smith, Jonathan H. Fischer, Donald R. Laturell |
2003-04-22 |
| 6421430 |
Line powered DAA with single ended feedback |
Keith Eugene Hollenbach, Donald R. Laturell |
2002-07-16 |
| 6418220 |
Extended feedback circuit employing capacitive coupling and sampled data filters |
Jonathan H. Fischer, Donald R. Laturell, Keith Eugene Hollenbach |
2002-07-09 |
| 6396877 |
Method and apparatus for combining serial data with a clock signal |
Keith Eugene Hollenbach, Donald R. Laturell |
2002-05-28 |
| 6275581 |
Extended feedback circuit employing capacitive coupling and sampled data filters |
Jonathon Fischer, Donald R. Laturell, Keith Eugene Hollenbach |
2001-08-14 |
| 6205219 |
Call related information reception using sigma/delta modulation |
Keith Eugene Hollenbach, Donald R. Laturell |
2001-03-20 |
| 6198944 |
Method for telephone line interlock and cellular interconnect |
Keith Eugene Hollenbach, Donald R. Laturell |
2001-03-06 |
| 5912513 |
Method and apparatus for reducing power dissipation in DC termination circuit |
Keith Eugene Hollenbach, Donald R. Laturell |
1999-06-15 |
| 5877565 |
Communication card with telephone line interlock and cellular interconnect |
Keith Eugene Hollenbach, Donald R. Laturell |
1999-03-02 |
| 5606482 |
Solid state circuit breaker |
— |
1997-02-25 |
| 5360979 |
Fast turn-off circuit for solid-state relays or the like |
Jerome Joseph, Michael F. Petras |
1994-11-01 |