Intrusion alarm system
US5283551A · kind A · utility
47Cited by
13References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 31, 1991 |
| Grant date | Feb 1, 1994 |
| Priority date | — |
| Expiry date | Dec 31, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S250/01
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A passive intrusion alarm system having an array of infrared sensing elements arranged and sampled so as to provide a two dimensional thermographic image of an intruder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.