Inventor · disambiguated record
Willem H. Groeneweg
Also filed as: GROENEWEG WILLEM · GROENEWEG WILLEM H · GROENEWEG WILLEM HENDRIK
16 granted patents·1 pending application·283 citations·filing 1976–2012
93Inventor score
Top patents by PatentIndex Score
17 records- 0197US6545620B2Current-to-voltage converter with controllable gain, and signal processing circuit comprising such a converterKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Apr 8, 2003·146 cites·12 claims
- 0283US4443769AFrequency search system for a phase locked loopRCA CORP·Filed 1981·Granted Apr 17, 1984·38 cites·6 claims
- 0374US9182770B2Voltage regulatorST ERICSSON SA·Filed 2012·Granted Nov 10, 2015·5 cites·24 claims
- 0472US4309725ASignal processor for beam-scan velocity modulationRCA CORP·Filed 1980·Granted Jan 5, 1982·21 cites·7 claims
- 0565US4096518AAverage beam current limiterRCA CORP·Filed 1977·Granted Jun 20, 1978·14 cites·10 claims
- 0661US6424278B1Finite impulse response digital to analog converter with offset compensationKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Jul 23, 2002·10 cites·10 claims
- 0758US6501408B2Finite impulse response digital to analog converter with offset compensationKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Dec 31, 2002·8 cites·8 claims
- 0850US7912440B2Apparatus for filtering a reference voltage and mobile phones comprising such apparatusST ERICSSON SA·Filed 2005·Granted Mar 22, 2011·1 cites·12 claims
- 0950US4095255AControlled oscillator with increased immunity to parasitic capacitanceRCA CORP·Filed 1977·Granted Jun 13, 1978·8 cites·11 claims
- 1049US4096528AStandard/nonstandard internal vertical sync producing apparatusRCA CORP·Filed 1976·Granted Jun 20, 1978·8 cites·6 claims
- 1147US4233622ASECAM-PAL ConverterRCA CORP·Filed 1979·Granted Nov 11, 1980·7 cites·6 claims
- 1246US7342435B2Input stage resistant against negative voltage swingsNXP BV·Filed 2004·Granted Mar 11, 2008·3 cites·9 claims
- 1342US4148058APAL switching control circuitRCA CORP·Filed 1977·Granted Apr 3, 1979·6 cites·8 claims
- 1440US8456232B2Electronic circuitGROENEWEG WILLEM H·Filed 2009·Granted Jun 4, 2013·1 cites·14 claims
- 1540US2011210781A1Level shifterST ERICSSON SA·Filed 2009·Application pending·0 cites
- 1635US4133002APal identification circuitRCA CORP·Filed 1977·Granted Jan 2, 1979·3 cites·10 claims
- 1732US4634940ASine wave deflection circuit for bidirectional scanning of a cathode ray tubeRCA CORP·Filed 1984·Granted Jan 6, 1987·4 cites·19 claims
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