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. 06, 2005
Filed:
Apr. 11, 2003
Gregory M. Quist, Escondido, CA (US);
Donald C. Mead, Carlsbad, CA (US);
Hanno Ix, Escondido, CA (US);
Gregory M. Quist, Escondido, CA (US);
Donald C. Mead, Carlsbad, CA (US);
Hanno Ix, Escondido, CA (US);
PointSource Technologies, LLC, Solana Beach, CA (US);
Abstract
An improvement is described for use in a system that identifies particles in a fluid such as water by passing the fluid through a passage in a transparent carrier and detecting light from a laser beam that is scattered by particles, followed by comparing the scatter pattern to those of known particles, which increases the rate at which particles are detected. A plurality of transparent carriers with through passages are provided, and a narrow beam is directed through each carrier to scatter light from particles at a detect zone in each carrier passage. In one arrangement (), the carriers () are connected in series, so a limited amount of water passes through detect zones (A,B.C) to generate a high rate of particle detection. In another arrangement (), the carrier passages are connected in parallel, so when a larger sample of water is available different parts of the water sample pass through different carrier passages, to again increase the rate of particle detection.