Inventor · disambiguated record
Frederik J. Van Roessel
Also filed as: VAN ROESSEL FREDERIK J · VAN ROESSEL FREDERIK JOHANNES
12 granted patents·75 citations·filing 1975–1990
89Inventor score
Top patents by PatentIndex Score
12 records- 0169US4104678AVideo switching circuitPHILIPS CORP·Filed 1977·Granted Aug 1, 1978·12 cites·7 claims
- 0260US4513319AMethod for automatically setting up a television cameraPHILIPS CORP·Filed 1982·Granted Apr 23, 1985·15 cites·5 claims
- 0356US4001502AStraylight compensation circuit and blanking circuit for samePHILIPS CORP·Filed 1975·Granted Jan 4, 1977·10 cites·6 claims
- 0447US4551655ATelevision line deflection circuitPHILIPS CORP·Filed 1982·Granted Nov 5, 1985·9 cites·9 claims
- 0546US5218445ASystem for focusing a television camera objective lensBROADCAST TELEVISION SYST·Filed 1990·Granted Jun 8, 1993·11 cites·5 claims
- 0642US4523109ADifferential amplifier filter circuit having equal RC products in the feedback and output loopsPHILIPS CORP·Filed 1982·Granted Jun 11, 1985·6 cites·2 claims
- 0741US4166237AHorizontal deflection circuit for television cameraPHILIPS CORP·Filed 1975·Granted Aug 28, 1979·5 cites·7 claims
- 0833US4032974AVideo processing circuitPHILIPS CORP·Filed 1975·Granted Jun 28, 1977·2 cites·7 claims
- 0931US4587439APulse generator comprising at least two voltage comparison circuitsPHILIPS CORP·Filed 1982·Granted May 6, 1986·2 cites·6 claims
- 1030US4500922ASynchronous demodulation circuit for a carrier which is amplitude-modulated by a video signalPHILIPS CORP·Filed 1982·Granted Feb 19, 1985·2 cites·9 claims
- 1129US4535351ASetting-up system for a television cameraPHILIPS CORP·Filed 1983·Granted Aug 13, 1985·1 cites·12 claims
- 1228US4533953ASignal analyzing circuit for a periodically occurring signalPHILIPS CORP·Filed 1982·Granted Aug 6, 1985·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →