The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 1999
Filed:
Sep. 24, 1997
Edgar A Luther, Wilmington, MA (US);
CompuCyte Corporation, Cambridge, MA (US);
Abstract
A laser scanning cytometer, used with forward light scatter measurements, is provided with a laterally extended, asymmetrically positioned (relative to a light blocking position) light blocker, positioned between a cell sample and a detector such as a photodiode. The light blocker is asymmetrically positioned, at the reference position (i.e., no specimen) to permit some light to pass by a first end thereof and wherein light scatter caused by a specimen cell passes the first end, with other light scatter being blocked by the extended light blocker at a second end. Contrast of light scatter detection is sufficient thereby to provide viewable images of cells by means of the laser scanning cytometer.
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