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Dive into the research topics where Johannes Gerardus Raven is active.

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Featured researches published by Johannes Gerardus Raven.


Archive | 1983

Television circuit arrangement for field and line frequency doubling and picture part magnification

Peter Hubertus Frencken; Johannes Gerardus Raven; Marcellinus J. J. C. Annegarn


Archive | 1983

FIELD NUMBER CONVERSION CIRCUIT

Laurens Doornhein; Johannes Gerardus Raven; Petrus Wilhelmus Gertrudes Welles; Marcellinus J. J. C. Annegarn; Antonius H. H. J. Nillesen


Archive | 1982

Field frequency-doubling circuit for a television signal

Johannes Gerardus Raven; Marcellinus J. J. C. Annegarn


Archive | 1981

Noise suppression circuit for a video signal

Johannes Gerardus Raven


Archive | 1984

Integrated memory circuit of a series-parallel-series type

Marcellinus J. M. Pelgrom; Johannes Gerardus Raven; Jan W. Slotboom; Hendrik Anne Harwig; Marcellinus J. J. C. Annegarn


Archive | 1981

Video signal processing circuit for noise reduction

Johannes Gerardus Raven; Marinus Cornelis Willem V Buul


Archive | 1986

Television receiver including a circuit arrangement for demodulating an NTSC-coded color signal

Otto L. Warmuth; Martin Johanndeiter; Johannes Gerardus Raven


Archive | 1985

Electronic device for the execution of a mathematical operation on sets of three digital variables

Hendrikus J. M. Veendrick; Leonardus C. M. G. Pfennings; Johannes Gerardus Raven; Antonius H. H. J. Nillesen


Archive | 1984

Movement-adaptive transversal-recursive noise suppression circuit for a television signal

Johannes Gerardus Raven; Marcellinus Joseph Johannes Cornelius Annegarn


Archive | 1982

Line standard conversion circuit for a television signal

Buul Marinus Cornelis Willem Van; Johannes Gerardus Raven; De Ven Wilhelmus H.C.A. Van

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