Inventor · disambiguated record
Nicolaas J. L. Van Der Valk
Also filed as: DER VALK NICOLAAS J L VAN · DER VALK NICOLAAS J VAN · VAN DER VALK NICOLAAS J L
9 granted patents·56 citations·filing 1978–1994
86Inventor score
Technology areasH04N
Files withPHILIPS CORP9
Top patents by PatentIndex Score
9 records- 0157US6028628ASignal correction circuitPHILIPS CORP·Filed 1994·Granted Feb 22, 2000·18 cites·7 claims
- 0255US4214258APortable television camera and tape recorder combinationPHILIPS CORP·Filed 1978·Granted Jul 22, 1980·10 cites·3 claims
- 0349US4278994ACircuit arrangement in a color television encoderPHILIPS CORP·Filed 1979·Granted Jul 14, 1981·8 cites·7 claims
- 0444US4241362ACircuit for increasing a signal slope of a periodically occurring signal mainly near a reference levelPHILIPS CORP·Filed 1978·Granted Dec 23, 1980·6 cites·5 claims
- 0540US4246609ASwitchable synchronizing-signal generator suitable for several television standardsPHILIPS CORP·Filed 1978·Granted Jan 20, 1981·5 cites·3 claims
- 0632US4511915AColor television encoding circuitPHILIPS CORP·Filed 1983·Granted Apr 16, 1985·4 cites·6 claims
- 0730US4450473ACamera system for color televisionPHILIPS CORP·Filed 1981·Granted May 22, 1984·2 cites·2 claims
- 0829US4327372AEncoding circuit for a secam color television transmitterPHILIPS CORP·Filed 1980·Granted Apr 27, 1982·2 cites·13 claims
- 0928US4479141AColor television coding circuitPHILIPS CORP·Filed 1982·Granted Oct 23, 1984·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →