Infrared radiation-burglary detector
US4081680A · kind A · utility
29Cited by
4References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 4, 1976 |
| Grant date | Mar 28, 1978 |
| Priority date | — |
| Expiry date | Nov 4, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S250/01
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An infrared radiation-burglary detector comprising a number of reflector surfaces which focus the radiation incident from different separate receiving regions upon a common radiation receiver. The reflector surfaces are arranged and aligned such that the intersection locations of the receiving regions, viewed in the radiation direction, are located behind the front of the detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.