John Abt
17Patents
10h-index
19Co-inventors
69Inventor score
Filing activity: Oct 23, 1986 → Jun 27, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4853784A | Video switcher with independent processing of selected video signals | Electricity | 41 | Expired |
| US4821269A | Diagnostic system for a digital signal processor | Physics | 34 | Expired |
| US4965668A | Adaptive rounder for video signals | Physics | 33 | Expired |
| US4858011A | Video switcher system with modular architecture | Electricity | 30 | Expired |
| US5638133A | Method of creating video effects by use of keyframes | Electricity | 23 | Expired |
| US4823183A | Video mixer with multicolor boarder | Electricity | 20 | Expired |
| US4805022A | Digital wipe generator | Electricity | 15 | Expired |
| US4700232A | Interpolator for television special effects system | Electricity | 15 | Expired |
| US4873568A | Digital video effects apparatus | Electricity | 12 | Expired |
| US7353284B2 | Synchronized transmission of audio and video data from a computer to a client via an interface | Electricity | 12 | Expired |
| US4947254A | Layered mix effects switcher architecture | Electricity | 10 | Expired |
| US4963977A | Apparatus for generating a video signal representing a field of spatially varying color | Electricity | 9 | Expired |
| US5235423A | Controllable pseudo random noise pattern generator for use in video special effects | Electricity | 8 | Expired |
| US7668099B2 | Synthesis of vertical blanking signal | Electricity | 6 | Active |
| US5850267A | Non-additive video mixer | Electricity | 1 | Expired |
| US7970926B2 | Synchronized transmission of audio and video data from a computer to a client via an interface | Electricity | 1 | Active |
| US8838825B2 | Synchronized transmission of audio and video data from a computer to a client via an interface | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.