Inventor · disambiguated record
Walter Demmer
Also filed as: DEMMER WALTER · DEMMER WALTER H · DEMMER WALTER HEINRICH
27 granted patents·1 pending application·518 citations·filing 1982–2009
97Inventor score
Top patents by PatentIndex Score
28 records- 0185US4672447ACircuit arrangement for synchronization of a signalPHILIPS CORP·Filed 1985·Granted Jun 9, 1987·54 cites·10 claims
- 0284US5621478AMultistandard decoder for video signals and video signal decoding methodHARRIS CORP·Filed 1995·Granted Apr 15, 1997·84 cites·14 claims
- 0384US4694327ADigital phase locked loop stabilization circuitry using a secondary digital phase locked loopRCA CORP·Filed 1986·Granted Sep 15, 1987·47 cites·9 claims
- 0484US4694326ADigital phase locked loop stabilization circuitry including a secondary digital phase locked loop which may be locked at an indeterminate frequencyRCA CORP·Filed 1986·Granted Sep 15, 1987·43 cites·13 claims
- 0583US5619270ASample rate converter and sample rate conversion methodHARRIS CORP·Filed 1995·Granted Apr 8, 1997·79 cites·28 claims
- 0678US4686560APhase locked loop system including analog and digital componentsRCA CORP·Filed 1986·Granted Aug 11, 1987·33 cites·6 claims
- 0774US4700217AChrominance signal phase locked loop system for use in a digital television receiver having a line-locked clock signalRCA CORP·Filed 1986·Granted Oct 13, 1987·28 cites·12 claims
- 0870US8195972B2Jitter precorrection filter in time-average-frequency clocked systemsRENNER KARL·Filed 2009·Granted Jun 5, 2012·8 cites·18 claims
- 0970US7468763B2Method and apparatus for digital MTS receiverTEXAS INSTRUMENTS INC·Filed 2005·Granted Dec 23, 2008·2 cites·26 claims
- 1068US4703340AFrequency division multiplexed analog to digital converterRCA CORP·Filed 1986·Granted Oct 27, 1987·22 cites·7 claims
- 1166US6912012B2Video decoder having lock algorithm that distinguishes between a noisy television signal input and a video recorder signalTEXAS INSTRUMENTS INC·Filed 2002·Granted Jun 28, 2005·14 cites·10 claims
- 1266US6459457B1Adaptive color comb filterTEXAS INSTRUMENTS INC·Filed 1999·Granted Oct 1, 2002·29 cites·16 claims
- 1364US7042523B2Video correction system and method using logarithmic conversionTEXAS INSTRUMENTS INC·Filed 2003·Granted May 9, 2006·7 cites·21 claims
- 1460US4470066ACircuit arrangement for adjusting the direct current level of a video signalPHILIPS CORP·Filed 1982·Granted Sep 4, 1984·13 cites·8 claims
- 1557US7173668B2Equilibrium based horizontal sync detector for video decoderTEXAS INSTRUMENTS INC·Filed 2003·Granted Feb 6, 2007·4 cites·48 claims
- 1655US6956617B2Image scaling and sample rate conversion by interpolation with non-linear positioning vectorTEXAS INSTRUMENTS INC·Filed 2001·Granted Oct 18, 2005·5 cites·17 claims
- 1749US7362380B2Equilibrium based vertical sync phase lock loop for video decoderTEXAS INSTRUMENTS INC·Filed 2003·Granted Apr 22, 2008·0 cites·34 claims
- 1849US5621477ADigital decoder and method for decoding composite video signalsHARRIS CORP·Filed 1995·Granted Apr 15, 1997·13 cites·17 claims
- 1949US4570126AFM Demodulator using interpolation to approximate zero crossingsPHILIPS CORP·Filed 1983·Granted Feb 11, 1986·12 cites·15 claims
- 2046US6943847B2FM demodulator for SECAM decoderTEXAS INSTRUMENTS INC·Filed 2002·Granted Sep 13, 2005·0 cites·25 claims
- 2145US4779128ADigital low-pass filter with improved frequency reduction characteristicsPHILIPS CORP·Filed 1986·Granted Oct 18, 1988·9 cites·10 claims
- 2242US7274406B2Equilibrium based vertical sync phase lock loop for video decoderTEXAS INSTRUMENTS INC·Filed 2003·Granted Sep 25, 2007·2 cites·19 claims
- 2340US2004267854A1Logarithmic and inverse logarithmic conversion system and methodFiled 2003·Application pending·0 cites
- 2433US4641131ACircuit arrangement for converting a digital input signal into an analog output signalPHILIPS CORP·Filed 1986·Granted Feb 3, 1987·3 cites·8 claims
- 2532US4642689AIncreasing the resolution of a digitized, time-dependent signalPHILIPS CORP·Filed 1984·Granted Feb 10, 1987·4 cites·15 claims
- 2629US4499427ADigital FM demodulator using a filter having a linearly sloping frequency-amplitude characteristicPHILIPS CORP·Filed 1982·Granted Feb 12, 1985·2 cites·10 claims
- 2726US4719504AMethod for converting an analog picture signal into an amplitude-discrete output signalPHILIPS CORP·Filed 1984·Granted Jan 12, 1988·0 cites·8 claims
- 2824US4743969ACorrelatorPHILIPS CORP·Filed 1986·Granted May 10, 1988·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →