Right you are Paul .... egg on my face Gus > On Mar 30, 2010, at 3:58 PM, Paul Hutchinson wrote: > > In this case the title of the patent is not really descriptive of the > patent. The abstract is very descriptive and IMO it looks like a > good patent > for a very inexpensive way to get more accurate test strip readings. > > "A test strip reader is provided with an optical mouse integrated > circuit > sensor that reads the test line, reference line and control line of a > lateral flow assay strip by light absorption and determines the > position of > the test strip beneath the image on the integrated circuit board using > digital signal processing algorithms. The digital signal processing > algorithms process the imaged surface at a very high rate (e.g., > 1500 frames > per second) to determine the direction and speed of movement of the > lateral > strip with respect to the reader optics and image capture > components. The > sensor outputs this position information in a quadrature pattern > format. A > microcontroller uses the known position of the strip with respect to > the > reader to calculate the optical absorption of each colored reagent > line, and > the diagnostic significance (i.e., either qualitative or > quantitative) of > the test strip." > > Paul Hutch > >> -----Original Message----- >> From: piclist-bounces@mit.edu On Behalf Of YES NOPE9 >> Sent: Tuesday, March 30, 2010 4:56 PM >> >> http://www.patentstorm.us/patents/7444005/description.html >> US Patent 7444005 - Apparatus and method for using optical mouse >> engine to determine speed, direction, position of scanned device and >> to obtain quantitative or qualitative data from same >> >> US Patent Issued on October 28, 2008 >> Estimated Patent Expiration Date: November 4, 2023 >> >> Gus > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist