Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7313208 | Pre-equalization for low-cost DTV translators | Timothy V. Frahm | 2007-12-25 |
| 6295015 | Reference generator for demodulator calibration | Gary A. Jones, Minglu Zhang | 2001-09-25 |
| 6166594 | Self calibrating demodulator system | Larry Nielsen | 2000-12-26 |
| RE36992 | VSB HDTV transmission system with reduced NTSC co-channel interference | Richard W. Citta, Dennis M. Mutzabaugh | 2000-12-19 |
| 6069524 | FPLL with third multiplier in an analog input signal | Victor G. Mycynek | 2000-05-30 |
| 5821988 | NTSC co-channel interference reduction system | Richard W. Citta, Larry Nielsen | 1998-10-13 |
| 5745004 | FPLL with third multiplier in an AC path in the FPLL | Victor G. Mycynek | 1998-04-28 |
| 5699011 | DC offset compensation method and apparatus | — | 1997-12-16 |
| 5675284 | Frequency lock indicator for FPLL demodulated signal having a pilot | — | 1997-10-07 |
| 5675283 | Pilot recovery and polarity detection system | — | 1997-10-07 |
| 5668498 | Controlling FPLL polarity using pilot signal and polarity inverter | — | 1997-09-16 |
| 5642154 | Cable maintenance system | Gopalan Krishnamurthy | 1997-06-24 |
| 5638140 | FPLL having AFC filter with limited phase shift | Gopalan Krishnamurthy, Victor G. Mycynek | 1997-06-10 |
| 5627604 | Stabilizing the lock up of a bi-phase stable FPLL by augmenting a recovered DC pilot | Gopalan Krishnamurthy, Victor G. Mycynek | 1997-05-06 |
| 5598220 | Digital signal with multilevel symbols and sync recognition | Richard W. Citta, Rudolf Turner | 1997-01-28 |
| 5594496 | Detection of co-channel interference in digital television signals | Larry Nielsen | 1997-01-14 |
| 5574509 | Antenna orientation system for digital TV receiver | Richard W. Citta | 1996-11-12 |
| 5565932 | AGC system with pilot using digital data reference | Richard W. Citta, Dennis M. Mutzabaugh | 1996-10-15 |
| 5546138 | AGC system with overriding, maximum gain during an initial interval to enhance signal acquisition | Gopalan Krishnamurthy, Victor G. Mycynek | 1996-08-13 |
| 5534938 | Digital TV system using segment and field sync signals | Richard W. Citta, Rudolf Turner | 1996-07-09 |
| 5416524 | Digital television synchronization system and method | Richard W. Citta, Dennis M. Mutzabaugh | 1995-05-16 |
| 5410368 | Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval | Gopalan Krishnamurthy, Victor G. Mycynek | 1995-04-25 |
| 5329319 | Stabilized frequency and phase locked loop with saw devices on common substrate | — | 1994-07-12 |
| 5260793 | Receiver post coder selection circuit | Richard W. Citta, Rudolf Turner | 1993-11-09 |
| 5181112 | Television signal transmission system with carrier offset compensation | Richard W. Citta, Scott F. Halozan | 1993-01-19 |