RG

Robertus W. C. Groen

U.S. Philips: 5 patents #914 of 8,851Top 15%
Overall (All Time): #1,057,972 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5337335 Phase locked loop with frequency deviation detector and decoder circuit comprising such a phase locked loop Henri Cloetens 1994-08-09
5170387 Apparatus for reading an information pattern from a record carrier and signal-processing circuit for use in such apparatus 1992-12-08
5140574 Read and/or write device Henri Cloetens, Antonius Hermanus Maria Akkermans 1992-08-18
5046158 Optical scanning apparatus with control circuit for optimizing the operating range of an A/D converter 1991-09-03
4567534 Apparatus for reading a disc-shaped record carrier Cornelis A. M. de Jonge, Lawrence M. Schwartz, Johannes C. van Lier 1986-01-28