Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5581656 | Methods for generating the voiced portion of speech signals | John C. Hardwick | 1996-12-03 |
| 5517511 | Digital transmission of acoustic signals over a noisy communication channel | John C. Hardwick | 1996-05-14 |
| 5508746 | Advanced television system | — | 1996-04-16 |
| 5491772 | Methods for speech transmission | John C. Hardwick | 1996-02-13 |
| 5485210 | Digital advanced television systems | Peter Monta | 1996-01-16 |
| 5457499 | Source adaptive television system | — | 1995-10-10 |
| 5453797 | Method and apparatus for decoding broadcast digital HDTV in the presence of quasi-cyclostationary interference | Julien Nicolas | 1995-09-26 |
| 5444491 | Television system with multiple transmission formats | — | 1995-08-22 |
| 5422675 | Adaptive modulation/demodulation signal processing | — | 1995-06-06 |
| 5408270 | Advanced television system | — | 1995-04-18 |
| 5394508 | Method and apparatus for encoding decoding and compression of audio-type data | — | 1995-02-28 |
| 5369724 | Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients | — | 1994-11-29 |
| 5339164 | Method and apparatus for encoding of data using both vector quantization and runlength encoding and using adaptive runlength encoding | — | 1994-08-16 |
| 5309478 | Method and apparatus for hybrid analog/digital signal processing | — | 1994-05-03 |
| 5247579 | Methods for speech transmission | John C. Hardwick | 1993-09-21 |
| 5226084 | Methods for speech quantization and error correction | John C. Hardwick | 1993-07-06 |
| 5226108 | Processing a speech signal with estimated pitch | John C. Hardwick | 1993-07-06 |
| 5226114 | Television pictures | Dennis Michael Martinez | 1993-07-06 |
| 5218435 | Digital advanced television systems | Peter Monta | 1993-06-08 |
| 5216747 | Voiced/unvoiced estimation of an acoustic signal | John C. Hardwick | 1993-06-01 |
| 5195166 | Methods for generating the voiced portion of speech signals | John C. Hardwick | 1993-03-16 |
| 5187575 | Source adaptive television system | — | 1993-02-16 |
| 5174641 | Video encoding method for television applications | — | 1992-12-29 |
| 5161006 | Method for separating chrominance and luminance components of a television signal | Peter Monta, Kenneth A. Parulski | 1992-11-03 |
| 5081681 | Method and apparatus for phase synthesis for speech processing | John C. Hardwick | 1992-01-14 |