Inventor
PARKER DELMER G
42 patents
Patents
42 patentsUS4901114AFeb 13, 1990
Tri level xerography using a MICR toner in combination with a non-MICR toner
XEROX CORP69 citations96
US5837408ANov 17, 1998
Xerocolography tandem architectures for high speed color printing
XEROX CORP40 citations93
US6725010B1Apr 20, 2004
Fusing apparatus having an induction heated fuser roller
XEROX CORP22 citations92
US6188861B1Feb 13, 2001
Tandem tri-level xerographic apparatus and method for producing pictorial color images
XEROX CORP31 citations92
US6163672ADec 19, 2000
Tandem tri-level xerographic apparatus and method for producing highly registered pictorial color images
XEROX CORP22 citations92
US6122477ASep 19, 2000
Induction heated fusing apparatus having a dual function transformer assembly
XEROX CORP23 citations92
US5890033AMar 30, 1999
Developer housing heater using a centrally heated mixing auger
XEROX CORP19 citations92
US5049949ASep 17, 1991
Extension of tri-level xerography to black plus 2 colors
XEROX CORP30 citations92
US4998139AMar 5, 1991
Adaptive bias control for tri-level xerography
XEROX CORP28 citations92
US4990955AFeb 5, 1991
White level stabilization for tri-level imaging
XEROX CORP31 citations92
US4847655AJul 11, 1989
Highlight color imaging apparatus
XEROX CORP33 citations92
US4833504AMay 23, 1989
Single pass highlight color printer including a scavengeless developer housing
XEROX CORP38 citations92
US4771314ASep 13, 1988
Developer apparatus for a highlight printing apparatus
XEROX CORP42 citations92
US4761672AAug 2, 1988
Ramped developer biases
XEROX CORP30 citations92
US4034709AJul 12, 1977
Developer roll
XEROX CORP42 citations91
US3996892ADec 14, 1976
Spatially programmable electrode-type roll for electrostatographic processors and the like
XEROX CORP39 citations91
US3950089AApr 13, 1976
Coated roll for magnetic brush development and cleaning systems
XEROX CORP38 citations91
US5021838AJun 4, 1991
Preferred toner/carrier properties
XEROX CORP21 citations81
US4868608ASep 19, 1989
Highlight color imaging apparatus
XEROX CORP20 citations81
US5895738AApr 20, 1999
Extension of xerocolorgraphy to full color printing employing additive RGB+ K colors
XEROX CORP14 citations74
US5751437AMay 12, 1998
Development combination exposure and recharge scheme to eliminate development defects in two pass process color xerocolography
XEROX CORP11 citations74
US5729807AMar 17, 1998
Optically switched commutator scheme for hybrid scavengeless segmented electroded donor rolls
XEROX CORP8 citations74
US5701564ADec 23, 1997
Scavengeless development apparatus including an electroded donor roll having a tri-contact commutator assembly
XEROX CORP9 citations74
US5592271AJan 7, 1997
Donor rolls with capacitively cushioned commutation
XEROX CORP12 citations74
US5592281AJan 7, 1997
Development scheme for three color highlight color trilevel xerography
XEROX CORP7 citations74
US5539505AJul 23, 1996
Commutating method for SCD donor roll bias
XEROX CORP7 citations74
US4353637AOct 12, 1982
Development system
XEROX CORP9 citations74
US4050413ASep 27, 1977
Magnetic brush crossmixing system
XEROX CORP9 citations74
US5061969AOct 29, 1991
Hybrid development scheme for trilevel xerography
XEROX CORP13 citations73
US5038177AAug 6, 1991
Selective pre-transfer corona transfer with light treatment for tri-level xerography
XEROX CORP16 citations73
US4761668AAug 2, 1988
Highlight color printer
XEROX CORP8 citations73
US5351113ASep 27, 1994
Pre-pretransfer treatment to increase transfer latitude in tri-level xerography
XEROX CORP11 citations72
US4067295AJan 10, 1978
Magnetic microfield donor system
XEROX CORP18 citations72
US6028616AFeb 22, 2000
Enhanced color gamut from 2-pass xerocolography with 2λ imager and 2-layer photoreceptor
XEROX CORP3 citations63
US5589917ADec 31, 1996
Donor rolls with magnetically coupled (Transformer) commutation
XEROX CORP2 citations63
US5410395AApr 25, 1995
Means for controlling trilevel inter housing scorotron charging level
XEROX CORP4 citations63
US4543586ASep 24, 1985
Magnetizing apparatus for a magnetographic printer
XEROX CORP6 citations63
US4335159AJun 15, 1982
Method for developing latent electrostatic images
XEROX CORP3 citations63
US3976881AAug 24, 1976
Arrangement for stabilizing corona devices
XEROX CORP4 citations63
US5081503AJan 14, 1992
Compact magnetic bead pick-off device
XEROX CORP6 citations62
US4095883AJun 20, 1978
Magnetic mixing apparatus and process
XEROX CORP5 citations58
US5790928AAug 4, 1998
Switchable dual wavelength flood lamp for simplified color printing architecture based on xerocolography
XEROX CORP1 citations52