Inventor · disambiguated record
Karl-Heinz Rehfeldt
Also filed as: REHFELDT KARL H · REHFELDT KARL-HEINZ
8 granted patents·51 citations·filing 1979–1991
84Inventor score
Files withPHILIPS CORP8
Top patents by PatentIndex Score
8 records- 0156US4874966AMultivibrator circuit having compensated delay timePHILIPS CORP·Filed 1988·Granted Oct 17, 1989·13 cites·9 claims
- 0250US5077538AFm demodulator with carrier shift compensationPHILIPS CORP·Filed 1991·Granted Dec 31, 1991·18 cites·3 claims
- 0341US4360786AVariable-gain differential amplifierPHILIPS CORP·Filed 1980·Granted Nov 23, 1982·6 cites·7 claims
- 0438US4851785ACircuit arrangement for detecting whether a predetermined frequency swing is exceededPHILIPS CORP·Filed 1988·Granted Jul 25, 1989·7 cites·9 claims
- 0531US4277795ACircuit arrangement for detecting a switching phasePHILIPS CORP·Filed 1979·Granted Jul 7, 1981·2 cites·7 claims
- 0630US4365206ADifferential amplifierPHILIPS CORP·Filed 1980·Granted Dec 21, 1982·2 cites·4 claims
- 0728US4897608ACircuit arrangement for frequency-modulated picture signalsPHILIPS CORP·Filed 1987·Granted Jan 30, 1990·2 cites·7 claims
- 0828US4538187AMethod of and circuit arrangement for recording a color video signalPHILIPS CORP·Filed 1982·Granted Aug 27, 1985·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →