Date: Sep 13, 2013 Source: (
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ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 8,530,849, issued on Sept. 10, was assigned to Telesecurity Sciences Inc. (Las Vegas).
"Electron beam scanner" was invented by Douglas Perry Boyd (Las Vegas) and Samuel Moon-Ho Song (Las Vegas).
According to the abstract* released by the U.
S. Patent & Trademark Office: "An electron beam scanner includes a stationary source producing an electron beam and a detector positioned to partially circumscribe a scan field, the detector divided into a pair of detector rings arranged adjacent to one another and separated by a gap extending at least partially about a circumference of the detector. The electron beam scanner …