Inventor · disambiguated record
Gerhard Wischermann
Also filed as: WISCHERMANN GERHARD · WISCHERMANN GERHARD W
26 granted patents·2 pending applications·346 citations·filing 1981–2003
96Inventor score
Files withBROADCAST TELEVISION SYST9PHILIPS CORP8BOSCH GMBH ROBERT5THOMSON LICENSING2BTS HOLDINGS INTERNAT B V1
Top patents by PatentIndex Score
28 records- 0190US4623922ASystem for time compression and/or expansion of electrical signalsBOSCH GMBH ROBERT·Filed 1983·Granted Nov 18, 1986·53 cites·4 claims
- 0274US4488251ADigital filterBOSCH GMBH ROBERT·Filed 1982·Granted Dec 11, 1984·18 cites·10 claims
- 0372US5543858AMethod of and apparatus for reducing noise in a motion detector signalPHILIPS CORP·Filed 1994·Granted Aug 6, 1996·32 cites·11 claims
- 0470US5589887AMethod and circuit for detecting and concealing video signal errorsPHILIPS CORP·Filed 1995·Granted Dec 31, 1996·40 cites·12 claims
- 0565US5008751AApparatus system for deriving synchronizing information from a digital video signalBROADCAST TELEVISION SYST·Filed 1990·Granted Apr 16, 1991·24 cites·18 claims
- 0663US4413273ASystem for mixing two color television signalsBOSCH GMBH ROBERT·Filed 1981·Granted Nov 1, 1983·14 cites·8 claims
- 0762US7466364B2Device for reducing flicker defectsTHOMSON LICENSING·Filed 2001·Granted Dec 16, 2008·5 cites·6 claims
- 0862US5148278AFilter circuit of the median type for video signalsBROADCAST TELEVISION SYST·Filed 1991·Granted Sep 15, 1992·21 cites·6 claims
- 0959US5191419AVideo noise reducer with detection of both total and temporal picture changesBROADCAST TELEVISION SYST·Filed 1991·Granted Mar 2, 1993·19 cites·14 claims
- 1057US5485222AMethod of determining the noise component in a video signalPHILIPS CORP·Filed 1994·Granted Jan 16, 1996·10 cites·8 claims
- 1153US5519453AMethod of eliminating interfernce signals from video signalsPHILIPS CORP·Filed 1994·Granted May 21, 1996·19 cites·20 claims
- 1251US7061546B2Arrangement for processing video signalsBTS MEDIA SOLUTIONS GMBH·Filed 2002·Granted Jun 13, 2006·6 cites·10 claims
- 1347US5122761ADigital pll including controllable delay circuitBROADCAST TELEVISION SYST·Filed 1991·Granted Jun 16, 1992·13 cites·4 claims
- 1445US7760271B2Method and circuit for determining the noise component in a video signalTHOMSON LICENSING·Filed 2003·Granted Jul 20, 2010·0 cites·15 claims
- 1545US5987187ADetecting slant scratches in images of a video signalPHILIPS CORP·Filed 1997·Granted Nov 16, 1999·10 cites·11 claims
- 1645US4855826AZone plate signal generatorBROADCAST TELEVISION SYST·Filed 1988·Granted Aug 8, 1989·8 cites·8 claims
- 1745US4403245AMethod and circuit for time-correction of digital switching signalsBOSCH GMBH ROBERT·Filed 1981·Granted Sep 6, 1983·7 cites·10 claims
- 1843US2002122139A1Device for noise reduction in video signalsFiled 2002·Application pending·0 cites
- 1943US2002130971A1Device for reducing noise in image signalsFiled 2002·Application pending·0 cites
- 2040US5612752ANoise reduction method and apparatusPHILIPS CORP·Filed 1995·Granted Mar 18, 1997·7 cites·5 claims
- 2140US5245414AVideo signal synchronizer for a video signal in luminance and chrominance component formBROADCAST TELEVISION SYST·Filed 1990·Granted Sep 14, 1993·7 cites·14 claims
- 2240US4833524ASystem for two-dimensional blending of transitions between a color video picture signal and a background color signalBOSCH GMBH ROBERT·Filed 1987·Granted May 23, 1989·6 cites·5 claims
- 2339US5027318ABit place oriented data storage system for digital dataBROADCAST TELEVISION SYST·Filed 1989·Granted Jun 25, 1991·6 cites·5 claims
- 2435US6388704B1Length detection of slant scratchesBTS HOLDINGS INTERNAT B V·Filed 1997·Granted May 14, 2002·10 cites·16 claims
- 2534US5003392ACircuit for digitally deriving pulses of horizontal and vertical frequency from a synchronizing signalBROADCAST TELEVISION SYST·Filed 1989·Granted Mar 26, 1991·3 cites·13 claims
- 2633US5195044ADigital oscillator for generating a signal of controllable frequencyBROADCAST TELEVISION SYST·Filed 1991·Granted Mar 16, 1993·5 cites·10 claims
- 2732US5886751AMethod of eliminating interference signals from video signalsPHILIPS CORP·Filed 1997·Granted Mar 23, 1999·2 cites·19 claims
- 2824US5953078AVideo signal processing circuit having an interface for connecting a color correction circuit between a noise reduction circuit and a contour circuitPHILIPS CORP·Filed 1997·Granted Sep 14, 1999·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →