Optical detection apparatus and free-space optics...

Details Optical detection apparatus and free-space optics... Optical detection apparatus and free-space optics...

2004-12-01

2008-11-11

Sedighian, M. R. (Department: 2613)

Optical communications

Optical communication over freee space

Satellite system

C398S118000, C398S119000

Reexamination Certificate

active

07450855

ABSTRACT:
There is provided an optical detection apparatus, comprising a light-receiving element, an optical system which forms a spot of light flux on a light-receiving surface of the light-receiving element by externally incident light flux, and an information generating section which generates information with respect to a position of the spot based on the output from the light-receiving element. The optical system includes an optical element array having a plurality of optical element portions, and a plurality of spots formed by the plurality of optical element portions substantially overlap to each other on the light-receiving surface.

REFERENCES:
patent: 5475520 (1995-12-01), Wissinger
patent: 5627669 (1997-05-01), Orino et al.
patent: 6686582 (2004-02-01), Volcker et al.
patent: 6775480 (2004-08-01), Goodwill
patent: 2003/0147652 (2003-08-01), Green et al.
patent: 5-133716 (1993-05-01), None

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