Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7065143 | Method and design for increasing signal to noise ratio in xDSL modems | Dan Gorcea, Carl C. Anderson | 2006-06-20 |
| 6822546 | Transformer arrangement for combined pots and xDSL service | Jose Noel N. Manceau, Dan Gorcea | 2004-11-23 |
| 6665399 | High-efficiency line driver | Dan Gorcea, Carl C. Anderson | 2003-12-16 |
| 6507654 | Line interface battery feed arrangements with PTC resistors | Martin R. Handforth, Donald S. McGinn | 2003-01-14 |
| 6317464 | Method and apparatus for separating digital data signals from analog voice signals transported over a common conductor | Minh-Tri Le | 2001-11-13 |
| 5838788 | Telephone ringing signal generator | — | 1998-11-17 |
| 5333196 | Current limiting battery feed arrangement | — | 1994-07-26 |
| 5274704 | Transformer telephone line interface circuit | — | 1993-12-28 |
| 4993064 | Subscriber line interface circuit and transformer therefor northern telecom limited | — | 1991-02-12 |
| 4982426 | Telecommunications line interface circuits | — | 1991-01-01 |
| 4727574 | Subscriber line interface circuit with improved d.c. balance | — | 1988-02-23 |
| 4661979 | Fault protection for integrated subscriber line interface circuits | — | 1987-04-28 |
| 4467310 | Telephone subscriber line battery feed resistor arrangements | — | 1984-08-21 |