Pulsed laser radar apparatus
US4447149A · kind A · utility
20Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1981 |
| Grant date | May 8, 1984 |
| Priority date | — |
| Expiry date | Jun 17, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/483
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pulsed laser radar apparatus utilizing a Q-switched laser unit to generate laser pulse signals including a low intensity trailing tail. The trailing tail is utilized to provide a local oscillator signal that is combined with the target return signal prior to detection in a heterodyned detector unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.