1
Donald R Fetterly: Directed infrared countermeasures (DIRCM) system and method. Raytheon Company, Noblitt & Gilmore, May 27, 2008: US07378626 (42 worldwide citation)

An agile, high-power, reliable DIRCM system that is easily extended to address sophisticated UV or UV-visible capable multi-band threats includes a missile warner having missile warning receivers (MWRs), one or two-color suitably in the mid-IR range, that detect likely missile launch and pass the th ...


2
Richard S Schlunt, Donald R Fetterly: Device and method for optically correlating a pair of images. General Dynamics Pomona Division, Neil F Martin, Terrance A Meador, Edward B Johnson, May 26, 1987: US04669054 (30 worldwide citation)

A two-dimensional optical correlation apparatus includes a transmissive optical mask having a transmissivity pattern corresponding to a two-dimensional reference image and an input image buffer that stores a sequence of pixels corresponding to a raster-scanned input image. The input buffer includes ...


3
Richard S Schlunt, Hans Peter Schmid, Donald R Fetterly: Optical matrix multiplier. General Dynamics Pomona Division, Neil F Martin, Terrance A Meador, Edward B Johnson, October 28, 1986: US04620293 (22 worldwide citation)

An optical computing system is provided for performing a linear multiplication operation involving a matrix with bipolar values. A plurality of beams representing the values of a N.times.1 column matrix Q illuminate an optical mask having elements disposed in a two-dimensional (M+1).times.N array. E ...


4
Donald R Fetterly: Directed infrared countermeasures (DIRCM) system and method. Raytheon Company, Thomas J Finn Esq, Raytheon Company, April 5, 2007: US20070075182-A1

An agile, high-power, reliable DIRCM system that is easily extended to address sophisticated UV or UV-visible capable multi-band threats includes a missile warner having missile warning receivers (MWRs), one or two-color suitably in the mid-IR range, that detect likely missile launch and pass the th ...