Inventor · disambiguated record
Daniel J. Chaplin
Also filed as: CHAPLIN DANIEL J
14 granted patents·197 citations·filing 1987–1995
92Inventor score
Top patents by PatentIndex Score
14 records- 0181US5400081AChroma keyer with correction for background defectsGRASS VALLEY GROUP·Filed 1994·Granted Mar 21, 1995·54 cites·14 claims
- 0279US5249039AChroma key method and apparatusGRASS VALLEY GROUP·Filed 1991·Granted Sep 28, 1993·53 cites·24 claims
- 0366US5313304AChroma keyer with fringe control offsetGRASS VALLEY GROUP·Filed 1993·Granted May 17, 1994·26 cites·4 claims
- 0445US5386242ASelf keyer with background gap fillGRASS VALLEY GROUP·Filed 1994·Granted Jan 31, 1995·9 cites·8 claims
- 0543US5146333ASelf keyer with pre-emphasized fill videoGRASS VALLEY GROUP·Filed 1989·Granted Sep 8, 1992·7 cites·4 claims
- 0641US4920415ASelf keyerGRASS VALLEY GROUP·Filed 1989·Granted Apr 24, 1990·6 cites·11 claims
- 0741US4887159AShadow visual effects wipe generatorGRASS VALLEY GROUP·Filed 1989·Granted Dec 12, 1989·6 cites·6 claims
- 0839US5627951AGraphical display of chroma keyer controlsTEKTRONIX INC·Filed 1995·Granted May 6, 1997·10 cites·8 claims
- 0939US5051828AKeyer with variable shapingGRASS VALLEY GROUP·Filed 1990·Granted Sep 24, 1991·6 cites·11 claims
- 1038US4967277ANon-linear keyerGRASS VALLEY GROUP·Filed 1989·Granted Oct 30, 1990·5 cites·4 claims
- 1138US4811102AHybrid wipe generatorGRASS VALLEY GROUP·Filed 1987·Granted Mar 7, 1989·5 cites·2 claims
- 1237US5668609AMotion detector and key signal interpolator using sameTEKTRONIX INC·Filed 1994·Granted Sep 16, 1997·6 cites·4 claims
- 1332US5157494AApparatus and method for combining video signals to provide an output signal with full field coverageGRASS VALLEY GROUP·Filed 1991·Granted Oct 20, 1992·3 cites·12 claims
- 1428US4908699AComponent video accumulation effectGRASS VALLEY GROUP·Filed 1989·Granted Mar 13, 1990·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →