Inventor · disambiguated record
Douglas J. Doornink
Also filed as: DOORNINK DOUGLAS J
6 granted patents·220 citations·filing 1976–1994
85Inventor score
Files withTEKTRONIX INC6
Top patents by PatentIndex Score
6 records- 0191US5185599ALocal display bus architecture and communications method for Raster displayTEKTRONIX INC·Filed 1990·Granted Feb 9, 1993·118 cites·35 claims
- 0286US4386367ASystem and method for converting a non-interlaced video signal into an interlaced video signalTEKTRONIX INC·Filed 1981·Granted May 31, 1983·47 cites·20 claims
- 0364US5452010ASynchronizing digital video inputsTEKTRONIX INC·Filed 1994·Granted Sep 19, 1995·25 cites·3 claims
- 0461US4190834ACircuit and method for producing a full-screen cross-hair cursor on a raster-scan type displayTEKTRONIX INC·Filed 1978·Granted Feb 26, 1980·15 cites·12 claims
- 0537US5084830AMethod and apparatus for hidden surface removalTEKTRONIX INC·Filed 1987·Granted Jan 28, 1992·10 cites·14 claims
- 0630US4157537ADisplay system utilizing digital-analog vector generationTEKTRONIX INC·Filed 1976·Granted Jun 5, 1979·5 cites·3 claims
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