Optical device for observing samples on a support, designed in particular for a cytometer
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United States of America Patent
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Issued Date -
Jun 29, 2006
app pub date -
Oct 6, 2003
filing date -
Oct 8, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An optical device (12) includes a front surface located on the side of the sample to be observed and a rear surface oriented towards the elements for acquiring (18, 19) an image or a user. It further includes a combination of four aligned lenses. The lenses are arranged in the following sequence from the front rearwards: a plano-convex lens (28), a convexo-concave lens (30), a plano-concave lens (32) and a biconvex lens (34). The plano-concave (32) and the plano-convex lenses are respectively such that they each have a substantially planar surface and a concave surface or convex surface respectively. The invention is applicable to a cell analyzer.
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