Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225910 | Adaptive operation type low noise television system | Yoshio Sugimori, Toshiya Ito | 1993-07-06 |
| 5159451 | Field memory expansible line doubler for television receiver | Charles A. Bialo | 1992-10-27 |
| 5151783 | Digital television with enhancement | — | 1992-09-29 |
| 5097332 | Processing method for wide-aspect-ratio television signal for standards-compatible transmission and display | — | 1992-03-17 |
| 5081521 | NTSC color television system with improved chroma bandwidth and chroma ringing reduction | — | 1992-01-14 |
| 5063438 | Three dimensional encoding system for color television | — | 1991-11-05 |
| 5025312 | Motion-adaptive video noise reduction system using recirculation and coring | — | 1991-06-18 |
| 5014119 | Horizontal and vertical transition level enhancement within television system | — | 1991-05-07 |
| 4989090 | Television scan line doubler including temporal median filter | Jack J. Campbell, Thomas C. Lyon | 1991-01-29 |
| 4967271 | Television scan line doubler including temporal median filter | Jack J. Campbell, Thomas C. Lyon | 1990-10-30 |
| 4959717 | Method for masking picture reinforcement signals carried within the vertical interval | — | 1990-09-25 |
| 4951149 | Television system with variable aspect picture ratio | — | 1990-08-21 |
| 4943849 | Television transmission system having improved separation of audio and video spectra | Jack J. Campbell | 1990-07-24 |
| 4918515 | Compatible television transmission system with separate preemphasis path within single channel | — | 1990-04-17 |
| 4916526 | Bandwidth control for chrominance and luminance paths in quadrature modulated color television system | Jack J. Campbell | 1990-04-10 |
| 4912557 | Control method for television ghost reduction system | — | 1990-03-27 |
| 4893176 | Adaptive comb filter for quadrature modulated color television systems | — | 1990-01-09 |
| 4876596 | Film-to-video converter with scan line doubling | — | 1989-10-24 |
| 4864389 | Comb filter method and apparatus for chrominance and luminance separation in quadrature modulated color subcarrier television systems | Jack J. Campbell | 1989-09-05 |
| 4847681 | Low level television signal transition booster | Jack J. Campbell | 1989-07-11 |
| 4837611 | Wideband NTSC-compatible transmission system with noise reduction processing | — | 1989-06-06 |
| 4831463 | Video processing in which high frequency luminance components are folded into a mid-band spectrum | — | 1989-05-16 |
| 4731660 | Processing methods using adaptive threshold for removal of chroma/luminance cross-talk in quadrature-modulated subcarrier color television systems | Jack J. Campbell | 1988-03-15 |
| 4706112 | Cross color suppression for quadrature modulated color television | Jack J. Campbell | 1987-11-10 |
| 4672429 | Wide bandwidth chrominance noise reduction system | Jack J. Campbell | 1987-06-09 |