Inventor · disambiguated record
Robertus W. C. Groen
Also filed as: GROEN ROBERTUS W C
5 granted patents·81 citations·filing 1983–1992
81Inventor score
Files withPHILIPS CORP5
Top patents by PatentIndex Score
5 records- 0172US5337335APhase locked loop with frequency deviation detector and decoder circuit comprising such a phase locked loopPHILIPS CORP·Filed 1992·Granted Aug 9, 1994·41 cites·11 claims
- 0262US5170387AApparatus for reading an information pattern from a record carrier and signal-processing circuit for use in such apparatusPHILIPS CORP·Filed 1989·Granted Dec 8, 1992·14 cites·7 claims
- 0352US5046158AOptical scanning apparatus with control circuit for optimizing the operating range of an A/D converterPHILIPS CORP·Filed 1990·Granted Sep 3, 1991·10 cites·8 claims
- 0450US4567534AApparatus for reading a disc-shaped record carrierPHILIPS CORP·Filed 1983·Granted Jan 28, 1986·12 cites·3 claims
- 0538US5140574ARead and/or write devicePHILIPS CORP·Filed 1990·Granted Aug 18, 1992·4 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →