Inventor · disambiguated record
Karl H. Knop
Also filed as: KNOP KARL · KNOP KARL H
25 granted patents·1,650 citations·filing 1974–1988
97Inventor score
Top patents by PatentIndex Score
25 records- 0198US4417784AMultiple image encoding using surface relief structures as authenticating device for sheet-material authenticated itemRCA CORP·Filed 1981·Granted Nov 29, 1983·182 cites·14 claims
- 0298US4314763ADefect detection systemRCA CORP·Filed 1979·Granted Feb 9, 1982·435 cites·13 claims
- 0397US4251137ATunable diffractive subtractive filterRCA CORP·Filed 1978·Granted Feb 17, 1981·157 cites·2 claims
- 0491US4591900AEncoding pattern for single chip CCD camera processing schemeRCA CORP·Filed 1983·Granted May 27, 1986·126 cites·31 claims
- 0591US4057326ASimplified and improved diffractive subtractive color filtering techniqueRCA CORP·Filed 1976·Granted Nov 8, 1977·25 cites·11 claims
- 0690US4964726AApparatus and method for optical dimension measurement using interference of scattered electromagnetic energyGEN ELECTRIC·Filed 1988·Granted Oct 23, 1990·56 cites·56 claims
- 0790US4506949ADiffractive color separation filterRCA CORP·Filed 1983·Granted Mar 26, 1985·61 cites·11 claims
- 0890US4484797ADiffractive subtractive color filter responsive to angle of incidence of polychromatic illuminating lightRCA CORP·Filed 1982·Granted Nov 27, 1984·122 cites·33 claims
- 0989US4668080AMethod and apparatus for forming large area high resolution patternsRCA CORP·Filed 1985·Granted May 26, 1987·54 cites·25 claims
- 1087US3957354ADiffractive subtractive color filtering techniqueRCA CORP·Filed 1975·Granted May 18, 1976·50 cites·61 claims
- 1186US4426130ASemi-thick transmissive and reflective sinusoidal phase grating structuresRCA CORP·Filed 1981·Granted Jan 17, 1984·49 cites·22 claims
- 1285US4318123ASolid-state, color-encoding television cameraRCA CORP·Filed 1980·Granted Mar 2, 1982·38 cites·8 claims
- 1382US4255019ADiffractive color filterRCA CORP·Filed 1979·Granted Mar 10, 1981·37 cites·13 claims
- 1482US4079411ADiffractive phase filter having near field wavelength dependent focusing propertiesRCA CORP·Filed 1976·Granted Mar 14, 1978·46 cites·26 claims
- 1579US4661983ASecure document identification techniqueRCA CORP·Filed 1983·Granted Apr 28, 1987·49 cites·1 claims
- 1677US4576439AReflective diffractive authenticating deviceRCA CORP·Filed 1983·Granted Mar 18, 1986·54 cites·11 claims
- 1777US4464030ADynamic accuracy X-Y positioning table for use in a high precision light-spot writing systemRCA CORP·Filed 1982·Granted Aug 7, 1984·28 cites·18 claims
- 1874US4082453AFabrication of rectangular relief profiles in photoresistRCA CORP·Filed 1976·Granted Apr 4, 1978·21 cites·6 claims
- 1970US4546380ASolid-state color-encoding television cameraRCA CORP·Filed 1983·Granted Oct 8, 1985·19 cites·2 claims
- 2063US4130347AFine-line diffractive subtractive color filtersRCA CORP·Filed 1977·Granted Dec 19, 1978·17 cites·40 claims
- 2155US4630105ASymmetric color encoding shift pattern for a solid-state imager camera and decoding scheme thereforRCA CORP·Filed 1984·Granted Dec 16, 1986·10 cites·18 claims
- 2248US3961836AFocused-image hologram system providing increased optical readout efficiencyRCA CORP·Filed 1974·Granted Jun 8, 1976·6 cites·2 claims
- 2339US4082438AZero-order diffractive subtractive filter projectorRCA CORP·Filed 1976·Granted Apr 4, 1978·6 cites·7 claims
- 2434US4272197AApparatus and method for measuring the ratio of two signalsRCA CORP·Filed 1979·Granted Jun 9, 1981·2 cites·9 claims
- 2531US4157220ATechnique for recording micropicture-information on a diffractive subtractive filter embossing masterRCA CORP·Filed 1978·Granted Jun 5, 1979·0 cites·13 claims
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