Rank Cintel Ltd.
36Patents
0Active
36Granted
35Portfolio score
Filing activity: Apr 11, 1985 → Jun 7, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5644356A | High resolution film scanner | Electricity | 76 | Expired |
| US5369433A | Recording video signals on cinematographic film using a deformable mirror device | Electricity | 46 | Expired |
| US5557340A | Noise reduction in video signals | Electricity | 28 | Expired |
| US5070397A | Keying methods for digital video | Electricity | 22 | Expired |
| US5327247A | Compensation of losses and defects in telecine devices | Electricity | 18 | Expired |
| US5280353A | Method and apparatus for signal processing by interpolation and filtering with simultaneous frequency response compensation and offset generation | Electricity | 17 | Expired |
| US5534948A | Method and apparatus for reducing the effect of alias components produced through non-linear digital signal processing, such as gamma correction, by selective attenuation | Electricity | 15 | Expired |
| US5619258A | Image stability in telecines | Electricity | 13 | Expired |
| US5784529A | Method and apparatus for correcting noise in a film scanner | Electricity | 13 | Expired |
| US4703365A | Linear image sensor having some parts selectively read or disabled | Electricity | 12 | Expired |
| US4694345A | Video signals special effects generator with variable pixel size | Electricity | 10 | Expired |
| US5402166A | Method and apparatus for compensating for film registration weave in film scanning systems | Electricity | 10 | Expired |
| US4746985A | Generating picture effects in video signals | Electricity | 10 | Expired |
| US5347203A | Control system, especially for film and video tape transport | Electricity | 8 | Expired |
| US5557322A | Telecines with simultaneous scanning of a plurality of frames | Electricity | 8 | Expired |
| US4811016A | Clamping circuit for an analog to digital converter | Electricity | 7 | Expired |
| US5847754A | High resolution film scanner/telecine which uses a microlithographic diffuser laminate to aid in the reduction of visibility of surface imperfections in the film | Electricity | 7 | Expired |
| US5198897A | Continuous-motion line-assembly telecine with misregistration correction | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4984086A | Scanner with electronically variable raster to produce picture effects | Electricity | 6 | Expired |
| US5165068A | Continuous-motion line-array telecine | Electricity | 6 | Expired |
| US5276522A | Electronic film editing with system having telecine mode and film writing mode | Electricity | 6 | Expired |
| US5650816A | Correction of film instability based on movement of the video image | Electricity | 5 | Expired |
| US5014133A | Telecine with improved blemish concealment | Electricity | 5 | Expired |
| US4897729A | Telecine with electronically variable raster to produce picture effects | Electricity | 5 | Expired |
| US4931784A | Computer graphics | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.