Inventor · disambiguated record
Charles J. H. Razzell
Also filed as: RAZZELL CHARLES · RAZZELL CHARLES J H
7 granted patents·157 citations·filing 1984–2008
86Inventor score
Top patents by PatentIndex Score
7 records- 0170US5428643AMethod of, and transmitter for, transmitting a digital signalPHILIPS CORP·Filed 1993·Granted Jun 27, 1995·67 cites·15 claims
- 0262US5805017ABaseband demodulation of M-ary frequency shift keyed signals and a receiver thereforPHILIPS CORP·Filed 1996·Granted Sep 8, 1998·53 cites·12 claims
- 0353US4638263AVoltage controlled oscillator including two variable gain feedback circuitsPHILIPS CORP·Filed 1984·Granted Jan 20, 1987·11 cites·10 claims
- 0452US8532224B2Signal processing circuit and method with frequency up- and down-conversionVAN DE BEEK REMCO·Filed 2008·Granted Sep 10, 2013·2 cites·13 claims
- 0540US4712073AFrequency multiplying circuitPHILIPS CORP·Filed 1984·Granted Dec 8, 1987·6 cites·5 claims
- 0637US5892803ADetermination of symbol sample timing using soft decisionsPHILIPS CORP·Filed 1996·Granted Apr 6, 1999·10 cites·13 claims
- 0734US6002725AM-ary FSK receiverPHILIPS CORP·Filed 1997·Granted Dec 14, 1999·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →