Inventor · disambiguated record
Petrus W. G. Welles
Also filed as: WELLES PETRUS W G · WELLES PETRUS WILHELMINA G
7 granted patents·1 pending application·57 citations·filing 1983–2004
83Inventor score
Technology areasH04N
Top patents by PatentIndex Score
8 records- 0164US4636864ATelevision receiver comprising a circuit for sequentially tuning the receiver to different frequenciesPHILIPS CORP·Filed 1983·Granted Jan 13, 1987·16 cites·2 claims
- 0256US4587557AField number conversion circuitPHILIPS CORP·Filed 1983·Granted May 6, 1986·12 cites·8 claims
- 0352US4514754ADigital color television signal processing circuitPHILIPS CORP·Filed 1983·Granted Apr 30, 1985·10 cites·6 claims
- 0449US4750038ATelevision picture display devicePHILIPS CORP·Filed 1987·Granted Jun 7, 1988·15 cites·16 claims
- 0546US2006291554A1Image processing apparatusKONINKL PHILIPS ELECTRONICS NV·Filed 2004·Application pending·0 cites
- 0632US4684986ATelevision signal memory-write circuitPHILIPS CORP·Filed 1985·Granted Aug 4, 1987·3 cites·6 claims
- 0728US4851908AField number doubling circuit for a television signalPHILIPS CORP·Filed 1988·Granted Jul 25, 1989·1 cites·10 claims
- 0827US4816907ATelevision synchronizing signal pattern correction circuitPHILIPS CORP·Filed 1987·Granted Mar 28, 1989·0 cites·4 claims
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