Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8902369 | Multichannel digital cable tuner | — | 2014-12-02 |
| 8634029 | Tuning device with diplexer input | — | 2014-01-21 |
| 7983638 | Tuner input filter with electronically adjustable response for adapting to antenna characteristic | Kumar Ramaswamy | 2011-07-19 |
| 7714715 | Apparatus and method for receiving emergency alert signals | — | 2010-05-11 |
| 7710503 | Apparatus and method for optimizing the level of RF signals based upon the information stored on a memory | Max Ward Muterspaugh | 2010-05-04 |
| 7668519 | Tuner input filter with electronically adjustable response for adapting to antenna characteristic | Kumar Ramaswamy | 2010-02-23 |
| 7508459 | Method and apparatus for performing channel detection | Matthew Thomas Mayer, Max Ward Muterspaugh | 2009-03-24 |
| 7454773 | Television signal receiver capable of receiving emergency alert signals | Clint Alan Ecoff, Michael Bridge | 2008-11-18 |
| 7215679 | Method, apparatus and data structure enabling multiple channel data stream transmission | — | 2007-05-08 |
| 7162634 | Method for providing security on a powerline-modem network | Louis Litwin, Kumar Ramaswamy | 2007-01-09 |
| 7027520 | Method and apparatus for simultaneously retrieving portions of a data stream from different channels | — | 2006-04-11 |
| 7020186 | Multi-mode bi-directional communications device including a diplexer having switchable low pass filters | Kevin Paul McReynolds, Wesley John Boyd | 2006-03-28 |
| 7015845 | Digital to analog converter system | — | 2006-03-21 |
| 6970068 | Apparatus and associated method for limiting access of information transferred between an electronic security device and a host device | David J. Duffield, Robert J. Ramspacher | 2005-11-29 |
| 6925291 | Electronic alignment system for a television signal tuner | — | 2005-08-02 |
| 6895252 | Economical extension of the operating distance of an RF remote link accommodating information signals having differing carrier frequencies | — | 2005-05-17 |
| 6703923 | Apparatus for providing security on a powerline-modem network | Louis Litwin, Kumar Ramaswamy | 2004-03-09 |
| 6553216 | RF tunable filter arrangement with tunable image trap | Gary Dean Grubbs | 2003-04-22 |
| 6424285 | Communications system for remote control systems | Michael Kelly Perdue, James Allen Strothmann | 2002-07-23 |
| 6118497 | Interactive selection system for a video decoder modulator channel | — | 2000-09-12 |
| 5748261 | Video receiver user channel selection control of an RF modulator | — | 1998-05-05 |
| 5739874 | Tuning system for a digital satellite receiver with fine tuning provisions | David Mark Badger, John Sidney Stewart | 1998-04-14 |
| 5654774 | Tuner for digital satellite receiver | Kurt Richter | 1997-08-05 |
| 5619283 | Double tuned RF circuit with balanced secondary | — | 1997-04-08 |
| 5541671 | User channel selection control for a video reciever RF modulator | — | 1996-07-30 |