KR

Karl-Heinz Rehfeldt

U.S. Philips: 8 patents #426 of 8,851Top 5%
📍 Quickborn, DE: #3 of 71 inventorsTop 5%
Overall (All Time): #670,722 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5077538 FM demodulator with carrier shift compensation Holger Gehrt, Gunter Hildebrandt 1991-12-31
4897608 Circuit arrangement for frequency-modulated picture signals Heinz H. Gehrt 1990-01-30
4874966 Multivibrator circuit having compensated delay time Heinz H. Gehrt, Gunter Hildebrandt 1989-10-17
4851785 Circuit arrangement for detecting whether a predetermined frequency swing is exceeded Heinz H. Gehrt, Gunter Hildebrandt 1989-07-25
4538187 Method of and circuit arrangement for recording a color video signal 1985-08-27
4365206 Differential amplifier 1982-12-21
4360786 Variable-gain differential amplifier 1982-11-23
4277795 Circuit arrangement for detecting a switching phase 1981-07-07