Patents
Retinex Patents -Write Sensations on Film
Ratio Product
E. H. Land and J. J. McCann,
“Method and system for reproduction based on significant visual boundaries of original subject”,
U.S. Patent 3,553,360, June 5, 1971.
Ratio Product Reset
E. H. Land, L. A. Ferrari, S. Kagen and J. J. McCann,
“Image Processing system which detects subject by sensing intensity ratios”,
U.S. Patent 3,651,252, Mar. 21, 1972.
Efficient Multi-resoluton Computations
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J.Frankle and J. J. McCann,
“Method and apparatus of lightness imaging”,
US Patent, 4,384,336, May 17, 1983.
K. Kiesel and W. R. Wray,
“Reconstitution of edges”,
US Patent, 4.649.568, March 10, 1987.
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W.R. Wray
“Method and apparatus for image processing with field portions”,
US Patent, 4.750211, June 7, 1988.
Variable Contrast Mapping of Digital Images
R. E. Sobol and J. J. McCann,
“Method for variable contrast mapping of digital images”,
U. S Patent, Oct, 24, 2002.
Color Gamut Retinex
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J.J. McCann and P. M. Hubel,
“Image processing”,
European Patent, PN EP1049324A, 2000;
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J.J. McCann and P. M. Hubel,
“In-gamut image reproduction method using spatial comparison”,
Japan Patent, PN JP 2000350050, 2001.
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J.J. McCann and P. M. Hubel,
“In-gamut image reproduction method using spatial comparison”,
US Patent, PN US 6,516,089, 2003.
Color Printing
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M.Abdulwahab, J. L. Burkhardt, J. J. McCann,
“Method of and apparatus for transforming color image data on the basis of an isotropic and uniform colorimetric space”,
US patent US 4,839,721, 1989.
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J.L. Burkhardt and J. J.McCann,
‘Processor for enhancing video signals for photographic reproduction’,
US Patent, US 4,520.403, 1985
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J.L. Burkhardt and J. J.McCann,
“Processor for enhancing video signals for photographic reproduction’,
US Patent, US 4,492.987, 1985
J. J. McCann and J. J. Scarpetti,
“Bi-stimulus print,
US Patent, US.3,776,725, Dec, 4, 1973
Microscope Camera
Mary Conlin McCann, William T. Plummer, Myron A. Seiden, Vivian K. Walworth,
“Camera to microscope adaptor with a special optical element”,
US patent US 3,900,858, Aug, 19,1975.
Mary Conlin McCann, William T. Plummer, Myron A. Seiden, Vivian K.Walworth,
“Special optical element for camera to microscope adaptor”,
US patent US 3,976,368, Aug 24, 1976.
J J. McCann, Mary A. McCann, William T. Plummer, Myron A. Seiden, Vivian K.
Walworth, “Method for operatively coupling an automatic camera to an optical instrument”,
US patent US 4,021,825, May, 15, 1975.
Light-responsive Masking
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J.A. Hall and J. J. McCann,
“Electrically responsive light filter”,
US patent 3,692,388, May, 15, 1972.
J. J. McCann,
“Photoflash filter”,
US patent 3,979,583, Sept, 7 1976.
John J. McCann (1901-1956)
Pot Spinning Corporation, Lowell, MA
J. J. McCann,
“Fabric expander for textile”,
US patent, 2,002,096, Jan, 28, 1932.
J. J. McCann,
“Textile clamp”,
US patent, 1,982,683, Feb 11, 1932.
J. J. McCann,
“Finish for fabric for textile industry”,
US patent, 2,081,461, May 25,1937.
J. J. McCann and J. Stuer,
“Feeler and protector for single pick automatic looms”,
US patent, 2,166,071, Jul 11,1939.
J. J. McCann and J. Stuer,
“Weft cutting and holding device for looms”,
US patent, 2,169,768, Aug 15,1939.
J. J. McCann,
“Method of making helmut ear muffs”,
US patent, 2,409,055, Oct 8,1946.
J. J. McCann,
“Strand spinning and twisting mechanism”,
US patent, Re. 23,232, May,23, 1950.
J. J. McCann,
“Pop spinning method, apparatus and product”,
US patent, 2,563,053, Aug, 7, 1951.
J. J. McCann,
“Pop spinning apparatus”,
US patent, 2,594,783, April, 29, 1952.
J. J. McCann,
“Drafting apparatus and method”,
US patent, Aug 2, 1956.
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