Polyspectral rangefinder for close-in target ranging and...

Details Polyspectral rangefinder for close-in target ranging and... Polyspectral rangefinder for close-in target ranging and...

2011-03-29

2011-03-29

Alsomiri, Isam (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

C356S005030, C356S622000

Reexamination Certificate

active

07916278

ABSTRACT:
A computationless system is provided for determining the direction of and distance to a target, involving bathing an area surrounding an area to be protected with a polyspectral series of narrow fan beams of different colors from at least two spaced-apart projectors. The differently colored beams go out at different angles, thus to color-code map the area surrounding the protected space where beams of different colors cross to form color-coded cells. Light reflected back to the area to be protected from a threat has a color code corresponding to the colors associated with beams that cross at the threat, thus to identify by the reflected colors where in space the threat is located.

REFERENCES:
patent: 3180205 (1965-04-01), Pickholtz et al.
patent: 4409900 (1983-10-01), Currie
patent: 4896606 (1990-01-01), De Coi
patent: 5601024 (1997-02-01), Sepp et al.
patent: 2002/0149510 (2002-10-01), Salzeder

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