Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8830812 | Optimizing precoder settings using average SINR reports for groups of tones | Alexei Ashikhmin, Adriaan J. De Lind Van Wijngaarden, Gerhard Kramer, Jochen Maes, Carl Nuzman +4 more | 2014-09-09 |
| 7860044 | Methods and apparatus for providing synchronization in a multi-channel communication system | Alexei Ashikhmin, Hungkei Chow, Adriaan J. De Lind Van Wijngaarden, Jan Willem Hellenthal, Jean Gerardus Leonardus Jennen +4 more | 2010-12-28 |
| 7676031 | Method and apparatus for selectively terminating current in a digital subscriber line (DSL) modem | — | 2010-03-09 |
| 7236484 | Methods and systems for providing wide-band voice service via a telephone switch system | Joseph Kott | 2007-06-26 |
| 7058174 | System and method for providing lifeline power service to digital subscriber line customers | — | 2006-06-06 |
| 7039056 | High quality audio and video over digital subscriber lines (DSLs) | Wim L. Brouwer | 2006-05-02 |
| 7027590 | Dynamic allocation of overhead voltage to support simultaneous transmission of signals on a telecommunication line | — | 2006-04-11 |
| 7016474 | Reduced cost digital subscriber line (DSL) interface arrangement | Wim L. Brouwer | 2006-03-21 |
| 6959184 | Method for determining the security status of transmissions in a telecommunications network | Charles Calvin Byers, Mark Alan Lassig, Steven Miller, William Brohmer Paulson | 2005-10-25 |
| 6952417 | System and method for selectively providing data communications in an XDSL communication system | — | 2005-10-04 |
| 6925173 | Optimization of a DSL-compatible POTS line card | Ronald A. Nordin | 2005-08-02 |
| 6898280 | Line card and method for supporting pots, asymmetric DSL and symmetric DSL services | Kevin Dombkowski | 2005-05-24 |
| 6836509 | Dsl- compatible pots line card | Ronald A. Nordin, Paul Sand | 2004-12-28 |
| 6782078 | System to pre-qualify copper subscriber loops for high bandwidth access service using subscriber voice signals | — | 2004-08-24 |
| 6748078 | System and method for allocating overhead voltage in the transmission of pots and XDSL signals | — | 2004-06-08 |
| 6694015 | Universal line interface in telecommunications system | Charles Calvin Byers, Mark Alan Lassig | 2004-02-17 |
| 6694012 | System and method to provide control of music on hold to the hold party | — | 2004-02-17 |
| 6647024 | System and method for an all digital communication system with a life line | Kevin Dombkowski, Steven Miller | 2003-11-11 |
| 6519253 | Telecommunication equipment support of ISDN communication lines for high speed data transmission | — | 2003-02-11 |
| 6496566 | Metallic testing of a subscriber loop that provides both voice and digital subscriber line services | — | 2002-12-17 |
| 6459773 | System to pre-qualify copper subscriber loops for high bandwidth access service using subscriber or network generated tones | — | 2002-10-01 |
| 6456694 | Method for prequalifying subscriber lines for high speed data service | — | 2002-09-24 |
| 6349130 | Method to pre-qualify copper loops for ADSL service | Albert J. Sawyer | 2002-02-19 |
| 6229846 | Apparatus and method for implementing high speed modem communication support | Mark Alan Lassig | 2001-05-08 |
| 6144659 | Telecommunication equipment support of high speed data services | Robert Alan Nye | 2000-11-07 |