HR

Hendricus C. De Ruyter

U.S. Philips: 4 patents #1,244 of 8,851Top 15%
Overall (All Time): #1,284,944 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5715529 FM receiver including a phase-quadrature polyphase if filter Kaveh Kianush, Wolter Bijker, Wolfdietrich G. Kasperkovitz, Willem A. Sloof 1998-02-03
5548831 FM Receiver having multiple IF stages Wolter Bijker, Wolfdietrich G. Kasperkovitz, Willem A. Sloof 1996-08-20
5493250 Adjustable resistance device including first and second arrangements of a resistor and a positive-feedback transconductor, and a control circuit for controlling the resistances of the first and second arrangements Wolfdietrich G. Kasperkovitz 1996-02-20
5404589 FM receiver with dynamic intermediate frequency (IF) filter tuning Wolter Bijker, Wolfdietrich G. Kasperkovitz, Willem A. Sloof 1995-04-04