Patent classifications
G
PHYSICS
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G02
OPTICS
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G02B
OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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7/00
Mountings, adjusting means, or light-tight connections, for optical elements
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G02B7/28
Systems for automatic generation of focusing signals
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G02B7/36
using image sharpness techniques; , e.g. image processing techniques for generating autofocus signals
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G02B7/38
measured at different points on the optical axis; , e.g. focussing on two or more planes and comparing image data
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