Use of detector arrays to detect cessation of motion
US6462663B1 · kind B1 · utility
249Cited by
8References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 22, 1999 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Nov 22, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S250/01
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A sensor comprising an array of detectors for e.g. infrared radiation of the type for use in security or surveillance application has means for identifying the entry of an object into a first selected area of a scene and means for generating a warning or alarm signal after a first predetermined period of time during which there is no movement of the body within the first selected area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.