Apparatus for determining the shape and/or size of little...

Details Apparatus for determining the shape and/or size of little... Apparatus for determining the shape and/or size of little...

2007-11-13

2007-11-13

Stafira, Michael P. (Department: 2886)

Optics: measuring and testing

For size of particles

Reexamination Certificate

active

11075683

ABSTRACT:
The invention relates to an apparatus for determining the shape and/or size of small particles, comprising a cell into which the particles are placed, at least one light source for illuminating the particles, and at least one one-dimensional image sensor for measuring an image of the illuminated particles. The cell is embodied as a conduit through which the particles can be transported, and the image sensor is placed in the immediate vicinity of the conduit or into the conduit.

REFERENCES:
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patent: 5255069 (1993-10-01), Duarte
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patent: 5572320 (1996-11-01), Reintjes et al.
patent: 5825477 (1998-10-01), Furuie
patent: 5933233 (1999-08-01), Gunther
patent: 6101978 (2000-08-01), Steckel
patent: 6118531 (2000-09-01), Hertel et al.
patent: 196 28 348 (1997-09-01), None
patent: 2 326 229 (1998-12-01), None

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