Grass Valley (U.S.) Inc.
24Patents
0Active
24Granted
31Portfolio score
Filing activity: Mar 14, 1994 → Feb 10, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6504569B1 | 2-D extended image generation from 3-D data extracted from a video sequence | Emerging Cross-Sectional Technologies | 112 | Expired |
| US6381363B1 | Histogram-based segmentation of images and video via color moments | Physics | 58 | Expired |
| US6526225B1 | Disk-based digital video recorder | Electricity | 30 | Expired |
| US6597376B1 | Mix/effect status display | Electricity | 23 | Expired |
| US6748158B1 | Method for classifying and searching video databases based on 3-D camera motion | Physics | 22 | Expired |
| US6281941A | Mix-effect bank with multiple programmable outputs | Electricity | 14 | Expired |
| US6526169B1 | Histogram-based segmentation of objects from a video signal via color moments | Physics | 13 | Expired |
| US6549190B1 | Graphical source identification display | Electricity | 10 | Expired |
| US6044197A | Recording of time code in a database | Physics | 9 | Expired |
| US6421095B1 | Key priority for a mix/effect bank having multiple keyers | Electricity | 7 | Expired |
| US6243495A | Method a group of picture structure in MPEG video | Electricity | 7 | Expired |
| US6249555A | Low jitter digital extraction of data from serial bitstreams | Electricity | 5 | Expired |
| US6256686A | Bi-directional serial video port | Physics | 5 | Expired |
| US6289172A | Disk-based digital video recorder | Electricity | 5 | Expired |
| US6744276B1 | Serial digital audio data port with multiple functional configurations | Electricity | 4 | Expired |
| US6437831B1 | Effects recall between mix/effects banks | Electricity | 4 | Expired |
| US6130725A | Switching reference generation using a scanning sync separator | Electricity | 4 | Expired |
| US6480545B1 | Architecture for multi-format video processing | Electricity | 3 | Expired |
| US6259488A | Concealing temporal shift when using a digital video effect system with a video switcher | Electricity | 2 | Expired |
| US6831704B1 | Linking external devices to switcher transitions | Electricity | 1 | Expired |
| US6034696A | Source relative warping for corner pinning | Physics | 1 | Expired |
| US7496728B2 | Asynchronous jitter reduction technique | Physics | 1 | Expired |
| US6452643B1 | Linking keyers to background source selections | Electricity | 0 | Expired |
| US6429900B1 | Transmission of wideband chroma signals | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.