Detector and optical system

Details Detector and optical system Detector and optical system

2006-02-01

2011-10-25

Epps, Georgia Y (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C359S216100, C359S457000, C359S742000

Reexamination Certificate

active

08044336

ABSTRACT:
Embodiments of the present invention relate to a detector comprising first and second lenses for use with respective first and second sensing means; each lens comprising a plurality of Fresnel facets having respective fields of view adapted such that the fields of view of the first lens are alternately arranged with the fields of view of the second lens such that the fields of view of the first lens are adjacent only to, but do not overlap with, the fields of view of the second lens in a single direction.

REFERENCES:
patent: 3703718 (1972-11-01), Berman
patent: 3725888 (1973-04-01), Solomon
patent: 3761184 (1973-09-01), McLaughlin, Jr.
patent: 3958118 (1976-05-01), Schwarz
patent: 4401976 (1983-08-01), Stadelmayr
patent: 4833450 (1989-05-01), Buccola et al.
patent: 5296707 (1994-03-01), Nozu
patent: 5890085 (1999-03-01), Corrado et al.
patent: 5936666 (1999-08-01), Davis
patent: 6215399 (2001-04-01), Shpater
patent: 1335410 (1973-10-01), None

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