Inventor · disambiguated record
Glen G. Langdon, Jr.
Also filed as: LANGDON GLEN · LANGDON GLEN G JR · LANGDON JR GLEN G · LANGDON JR GLEN GEORGE
16 granted patents·1 pending application·1,195 citations·filing 1977–2006
96Inventor score
Top patents by PatentIndex Score
17 records- 0198US4494108AAdaptive source modeling for data file compression within bounded memoryIBM·Filed 1984·Granted Jan 15, 1985·160 cites·2 claims
- 0297US5097261AData compression for recording on a record mediumIBM·Filed 1990·Granted Mar 17, 1992·172 cites·53 claims
- 0397US4905297AArithmetic coding encoder and decoder systemIBM·Filed 1988·Granted Feb 27, 1990·162 cites·15 claims
- 0496US4566044ADirection-constrained ternary codes using peak and polarity detectionIBM·Filed 1984·Granted Jan 21, 1986·63 cites·5 claims
- 0596US4286256AMethod and means for arithmetic coding utilizing a reduced number of operationsIBM·Filed 1979·Granted Aug 25, 1981·92 cites·11 claims
- 0693US4467317AHigh-speed arithmetic compression coding using concurrent value updatingIBM·Filed 1981·Granted Aug 21, 1984·55 cites·4 claims
- 0791US4149184AMulti-color video display systems using more than one signal sourceIBM·Filed 1977·Granted Apr 10, 1979·75 cites·17 claims
- 0890US4225861AMethod and means for texture display in raster scanned color graphicIBM·Filed 1978·Granted Sep 30, 1980·64 cites·6 claims
- 0987US4463342AMethod and means for carry-over control in the high order to low order pairwise combining of digits of a decodable set of relatively shifted finite number stringsIBM·Filed 1979·Granted Jul 31, 1984·38 cites·10 claims
- 1086US5774081AApproximated multi-symbol arithmetic coding method and apparatusIBM·Filed 1995·Granted Jun 30, 1998·68 cites·62 claims
- 1186US5546080AOrder-preserving, fast-decoding arithmetic coding arithmetic coding and compression method and apparatusIBM·Filed 1994·Granted Aug 13, 1996·83 cites·9 claims
- 1286US5270712ASort order preserving method for data storage compressionIBM·Filed 1992·Granted Dec 14, 1993·59 cites·7 claims
- 1384US4295125AMethod and means for pipeline decoding of the high to low order pairwise combined digits of a decodable set of relatively shifted finite number of stringsIBM·Filed 1980·Granted Oct 13, 1981·32 cites·8 claims
- 1475US4749983ACompression of multilevel signalsIBM·Filed 1986·Granted Jun 7, 1988·28 cites·8 claims
- 1566US4181952AMethod and means for minimizing error between the manual digitizing of points and the actual location of said points on an _electronic data entry surfaceIBM·Filed 1977·Granted Jan 1, 1980·27 cites·9 claims
- 1655US4110831AMethod and means for tracking digit significance in arithmetic operations executed on decimal computersIBM·Filed 1977·Granted Aug 29, 1978·17 cites·5 claims
- 1745US2007062354A1Work piece support structureLANGDON GLEN·Filed 2006·Application pending·0 cites
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