Optical scanning apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 20, 1988
Grant Date -
N/A
app pub date -
Feb 27, 1987
filing date -
Feb 28, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The apparatus comprises a radiation-sensitive detector (17) and optical means for directing radiation from an observed field of view on to the detector. The optical means includes a rotatable support member (10) rotatable about an axis (11) and carrying a number of reflecting members (12) equally-spaced around it. Each reflecting member (12) is located in a plane parallel to the axis (11) of the support member and each is arranged at the same non-perpendicular angle to a radius of the support member. A pivoted reflecting member (14) is located inside the locus of the plurality of reflecting members (12) and is rotatable about an axis (15) located in a plane perpendicular to that axis (15). In operation radiation from the field of view is reflected by the pivoted reflecting member (14) on to successive ones of the rotating reflecting members (12) and thence on to the detector (17).
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