| Patent | Date |
|---|
Trick mode playback of recorded video
Grant 7,398,005 - Willis July 8, 2 | 2008-07-08 |
Modifying video signals by converting non-intra pictures
Grant 7,376,341 - Willis May 20, 2 | 2008-05-20 |
Trick mode playback of recorded video
App 20030113098 - Willis, Donald H. | 2003-06-19 |
Luma/chroma separation filter with common delay element for comb filter separation and recursive noise reduction of composite video input signal
Grant 5,519,454 - Willis May 21, 1 | 1996-05-21 |
Wide screen television
Grant 5,442,406 - Altmanshofer , et al. August 15, 1 | 1995-08-15 |
Formatting television pictures for side by side display
Grant 5,434,625 - Willis July 18, 1 | 1995-07-18 |
Independent horizontal panning for side-by-side pictures
Grant 5,430,494 - Saeger , et al. July 4, 1 | 1995-07-04 |
Picture resolution enhancement with dithering and dedithering
Grant 5,374,963 - Willis December 20, 1 | 1994-12-20 |
Side by side television pictures
Grant 5,365,278 - Willis November 15, 1 | 1994-11-15 |
Adaptive letterbox detector
Grant 5,309,234 - Kranawetter , et al. May 3, 1 | 1994-05-03 |
Managing letterbox displays
Grant 5,249,049 - Kranawetter , et al. September 28, 1 | 1993-09-28 |
Progressive scan television system using luminance low frequencies from previous field
Grant 5,175,619 - Willis December 29, 1 | 1992-12-29 |
Synchronizing circuit
Grant 5,162,910 - Willis November 10, 1 | 1992-11-10 |
Memory efficient interlace apparatus and method as for a picture in a picture display
Grant 4,987,493 - Canfield , et al. January 22, 1 | 1991-01-22 |
Video switching apparatus having interference prevention feature
Grant 4,802,000 - Willis January 31, 1 | 1989-01-31 |
Dual port video memory system having semi-synchronous data input and data output
Grant 4,789,960 - Willis December 6, 1 | 1988-12-06 |
Adaptive Y/C separation apparatus for TV signals
Grant 4,786,963 - McNeely , et al. November 22, 1 | 1988-11-22 |
Multiple input digital video features processor for TV signals
Grant 4,782,391 - McNeely , et al. November 1, 1 | 1988-11-01 |
TV receiver having freeze field display
Grant 4,761,686 - Willis August 2, 1 | 1988-08-02 |
Circuitry for processing a field of video information to develop two compressed fields
Grant 4,750,039 - Willis June 7, 1 | 1988-06-07 |
Gullwing distortion corrected deflection circuitry for a square-planar picture tube
Grant 4,682,085 - Haferl , et al. July 21, 1 | 1987-07-21 |
Analog-to-digital conversion system as for a narrow bandwidth signal processor
Grant 4,647,968 - Willis March 3, 1 | 1987-03-03 |
Interlace to non-interlace scan converter for RGB format video input signals
Grant 4,639,763 - Willis , et al. January 27, 1 | 1987-01-27 |
Timing correction for a picture-in-picture television system
Grant 4,638,360 - Christopher , et al. January 20, 1 | 1987-01-20 |
Deflection circuit with a switched mode modulator circuit
Grant 4,625,154 - Willis November 25, 1 | 1986-11-25 |
Progressive scan video processor
Grant 4,623,913 - Fling , et al. November 18, 1 | 1986-11-18 |
Television receiver having character generator with burst locked pixel clock and correction for non-standard video signals
Grant 4,595,953 - Willis June 17, 1 | 1986-06-17 |
Dedithering circuitry in digital TV receiver
Grant 4,594,726 - Willis June 10, 1 | 1986-06-10 |
Progressive scan television receiver for non-standard signals
Grant 4,593,315 - Willis , et al. June 3, 1 | 1986-06-03 |
Digital-to-analog conversion system as for use in a digital TV receiver
Grant 4,591,832 - Fling , et al. May 27, 1 | 1986-05-27 |
Scaling device as for quantized B-Y signal
Grant 4,556,900 - Willis December 3, 1 | 1985-12-03 |
Error compensated control system in a video signal processor
Grant 4,554,578 - Willis November 19, 1 | 1985-11-19 |
Analog-to-digital conversion apparatus including double dither signal sources
Grant 4,543,599 - Willis , et al. September 24, 1 | 1985-09-24 |
Switched capacitor S-correction circuit
Grant 4,533,855 - Willis , et al. August 6, 1 | 1985-08-06 |
Regulated power supply circuit
Grant 4,524,411 - Willis June 18, 1 | 1985-06-18 |
Remote responsive television receiver ferroresonant power supply
Grant 4,392,090 - Rinehart , et al. July 5, 1 | 1983-07-05 |
Remote responsive television receiver ferroresonant power supply protection circuit
Grant 4,387,324 - Willis June 7, 1 | 1983-06-07 |
Television receiver, push-pull inverter, ferroresonant transformer power supply synchronized with horizontal deflection
Grant 4,385,263 - Luz , et al. May 24, 1 | 1983-05-24 |
Color television degaussing circuit
Grant 4,262,232 - Willis April 14, 1 | 1981-04-14 |
Television horizontal AFPC with phase detector driven at twice the horizontal frequency
Grant 4,251,833 - Fernsler , et al. February 17, 1 | 1981-02-17 |
High voltage protection circuit
Grant 4,126,816 - Willis November 21, 1 | 1978-11-21 |
Control Circuits For Preventing Kinescope Color Saturation During Blooming
Grant 3,578,903 - Willis May 18, 1 | 1971-05-18 |
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