Bistatic pulse-overlap Doppler radar intrusion detection apparatus
US4540978A · kind A · utility
6Cited by
6References
6Claims
0Family size
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Key dates
| Filing date | Dec 7, 1982 |
| Grant date | Sep 10, 1985 |
| Priority date | — |
| Expiry date | Dec 7, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/56
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An intrusion detection apparatus utilizing a plurality of bistatic pulse-overlap Doppler radar units to detect target Doppler frequency shifts in an enclosed sensitive volume and utilizing a single RF frequency with different pulse repetition rates to synchronize the bistatic receiver unit with its associated transmitter unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.