Omni-directional radiation source and object locator

Details Omni-directional radiation source and object locator Omni-directional radiation source and object locator

2006-07-11

2006-07-11

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C244S171000

Reexamination Certificate

active

07075048

ABSTRACT:
A method for determining azimuth and elevation angles of a radiation source or other physical objects located anywhere within an cylindrical field of view makes use of an omni-directional imaging system comprising of reflective surfaces, an image sensor and an optional optical filter for filtration of the desired wavelengths. The imaging system is designed to view an omni-directional field of view using a single image sensor and with no need for mechanical scan for coverage of the full field of view. Use of two such systems separated by a known distance, each providing a different reading of azimuth and elevation angle of the same object, enables classic triangulation for determination of the actual location of the object. The invention is designed to enable use of low cost omni-directional imaging systems for location of radiation sources or objects.

REFERENCES:
patent: 6026337 (2000-02-01), Krigbaum et al.
patent: 6450455 (2002-09-01), Davis

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