HI-KEY LIMITED
4Patents
2Active
4Granted
38Portfolio score
Filing activity: Dec 20, 2001 → Oct 1, 2008 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7949486B2 | Method and apparatus for calibrating an image capturing device, and a method and apparatus for outputting image frames from sequentially captured image frames with compensation for image capture device offset | Physics | 104 | Active |
| US9105080B2 | Method and a system for calibrating an image capture device | Physics | 14 | Active |
| US7123145B2 | Method and apparatus for analysing a signal from a movement detector for determining if movement has been detected in an area under surveillance and an anti-theft system | Physics | 8 | Expired |
| US7099638B2 | Method and apparatus for receiving an amplitude modulated radio signal | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.