Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771740 | Line sharing multipoint pots splitter controllable line selector | — | 2004-08-03 |
| 6757377 | Central office filter system and method | Ramon B. Hazen | 2004-06-29 |
| 6744883 | Filter system and method to suppress interference imposed upon a frequency-division multiplexed channel | Gordon Bremer, Ramon B. Hazen | 2004-06-01 |
| 6658096 | Local loop interceder | Gordon Bremer | 2003-12-02 |
| 6549568 | Method and apparatus for automatically adjusting the transmit power of data communication equipment operating in a multipoint environment | — | 2003-04-15 |
| 6546090 | Apparatus and method for communicating voice and data between a customer premises and a central office | Gordon Bremer | 2003-04-08 |
| 6477212 | Method and apparatus for reducing interference in a twisted wire pair transmission system | Ramon B. Hazen | 2002-11-05 |
| 6408056 | Local loop interceder | Gordon Bremer | 2002-06-18 |
| 6314180 | System and method for providing a frequency dependent synthetic termination | — | 2001-11-06 |
| 6236675 | Pilot tone system and method to allow continuous synchronization in multipoint networks | John Bedingfield, Charles G. Coston, William L. Betts, Joseph Q. Chapman | 2001-05-22 |
| 6198818 | Method and apparatus for controlling the input impedance of an analog front end circuit of a data communications equipment (DCE) device | — | 2001-03-06 |
| 6173021 | Method and apparatus for reducing interference in a twisted wire pair transmission system | Ramon B. Hazen | 2001-01-09 |
| 6078613 | System and method for bridging multiple communication devices to a single communication connection | — | 2000-06-20 |
| 6061392 | Apparatus and method for communicating voice and data between a customer premises and a central office | Gordon Bremer | 2000-05-09 |
| 6028919 | Passive distributed filter system and method including caller ID | Carlos Rios | 2000-02-22 |
| 6014425 | Apparatus and method for qualifying telephones and other attached equipment for optimum DSL operation | John Parish | 2000-01-11 |
| 5999619 | Synthetic termination | — | 1999-12-07 |
| 5901205 | Adaptive voice and data bandwidth management system for multiple-line digital subscriber loop data communications | Richard K. Smith | 1999-05-04 |
| 5848150 | Passive distributed filter system and method | — | 1998-12-08 |
| 5841840 | Multiple line modem and method for providing voice on demand | Richard K. Smith | 1998-11-24 |
| 5805669 | "Rate adaptaptive subscriber line (""RADSL"") modem and method of operation" | Mahendra Patel | 1998-09-08 |
| 5655010 | Line-powered modem with capacitive isolation | — | 1997-08-05 |
| 5600715 | Integrated loop current detector apparatus for a PSTN modem | — | 1997-02-04 |