Issued Patents All Time
Showing 101–125 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6057877 | NTSC interference detectors using pairs of comb filters with zero-frequency responses, as for DTV receivers | — | 2000-05-02 |
| 6023306 | NTSC interference detectors using comb filters that suppress digital TV pilot carrier for NTSC extraction | — | 2000-02-08 |
| 6005642 | Television receiver with doors for its display screen which doors contain loudspeakers | Edward H. Meisner, Michael Ballone, Keith Kristiansen, John Flick Garrison | 1999-12-21 |
| 5999223 | System for controlling the operating mode of an adaptive equalizer within a digital TV signal receiver | Chandrakant B. Patel | 1999-12-07 |
| 5995135 | Digital television receiver with adaptive filter circuitry for suppressing NTSC Co-channel interference | — | 1999-11-30 |
| 5982457 | Radio receiver detecting digital and analog television radio-frequency signals with single first detector | — | 1999-11-09 |
| 5982820 | Bandpass phase tracker with hilbert transformation before plural-phase analog-to-digital conversion | — | 1999-11-09 |
| 5966188 | Decimation of baseband DTV signals prior to channel equalization in digital television signal receivers | Chandrakant B. Patel | 1999-10-12 |
| 5959699 | Reception mode control in radio receivers for receiving both VSB and QAM digital television signals | Chandrakant B. Patel | 1999-09-28 |
| 5923378 | Using intercarrier signals for detecting NTSC interference in digital TV receivers | — | 1999-07-13 |
| 5901175 | Dynamically adaptive equalizer system and method | — | 1999-05-04 |
| 5852476 | Using special NTSC receiver to detect when co-channel interfering NTSC signal accompanies a digital tv signal | — | 1998-12-22 |
| 5835131 | Digital television receiver with adaptive filter circuitry for suppressing NTSC co-channel interference | — | 1998-11-10 |
| 5805241 | Noise-immune automatic gain control for QAM radio receivers | — | 1998-09-08 |
| 5801790 | Using video signals from auxiliary analog TV receivers for detecting NTSC interference in digital TV receivers | — | 1998-09-01 |
| 5798803 | NTSC interference detectors using comb filters that suppress HDTV pilot carrier for NTSC extraction | — | 1998-08-25 |
| 5786870 | NTSC video signal receivers with reduced sensitivity to interference from co-channel digital television signals | — | 1998-07-28 |
| 5748226 | Digital television receiver with adaptive filter circuitry for suppressing NTSC co-channel interference | — | 1998-05-05 |
| 5731848 | Digital VSB detector with bandpass phase tracker using Ng filters, as for use in an HDTV receiver | C. B. Patel | 1998-03-24 |
| 5715012 | Radio receivers for receiving both VSB and QAM digital HDTV signals | Chandrakant B. Patel | 1998-02-03 |
| 5675426 | Television receiver with doors for its display screen which doors contain loudspeakers | Edward H. Meisner, Michael Ballone, Keith Kristiansen, John Flick Garrison | 1997-10-07 |
| 5675332 | Plural-step chunk-at-a-time decoder for variable-length codes of Huffman type | — | 1997-10-07 |
| 5673355 | Deemphasis & Subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal | Christopher H. Strolle, Werner F. Wedam, Raymond Schnitzler, Hermann J. Weckenbrock, Jung-wan Ko +1 more | 1997-09-30 |
| 5659372 | Digital TV detector responding to final-IF signal with vestigial sideband below full sideband in frequency | C. B. Patel | 1997-08-19 |
| 5646698 | "Pre-frame-comb as well as ""pre-line-comb"" partial-response filtering of BPSK buried in a TV signal" | Jian Yang | 1997-07-08 |