Inventor
STEPHANY JOSEPH F
US28 patents
Patents
28 patentsUS5731824AMar 24, 1998
Ink level sensing system for an ink jet printer
XEROX CORP115 citations98
US5745131AApr 28, 1998
Gray scale ink jet printer
XEROX CORP90 citations96
US5682184AOct 28, 1997
System for sensing ink level and type of ink for an ink jet printer
XEROX CORP129 citations96
US5519419AMay 21, 1996
Calibration system for a thermal ink-jet printer
XEROX CORP61 citations96
US5504507AApr 2, 1996
Electronically readable performance data on a thermal ink jet printhead chip
XEROX CORP86 citations96
US5422664AJun 6, 1995
Method and apparatus for maintaining constant drop size mass in thermal ink jet printers
XEROX CORP57 citations96
US5331140AJul 19, 1994
Code reading systems
XEROX CORP103 citations96
US5223853AJun 29, 1993
Electronic spot size control in a thermal ink jet printer
XEROX CORP66 citations96
US5260718ANov 9, 1993
Liquid crystal shutter xerographic printer with offset configuration lamp aperture and copier/printer with optically aligned lamps, image bars, and lenses
XEROX CORP65 citations94
US5881451AMar 16, 1999
Sensing the temperature of a printhead in an ink jet printer
XEROX CORP37 citations92
US5519417AMay 21, 1996
Power control system for a printer
XEROX CORP23 citations92
US5497174AMar 5, 1996
Voltage drop correction for ink jet printer
XEROX CORP47 citations92
US5483265AJan 9, 1996
Minimization of missing droplets in a thermal ink jet printer by drop volume control
XEROX CORP41 citations92
US5233366AAug 3, 1993
Half-tone printing with thermal ink jet using random spot distribution in one dimension
XEROX CORP21 citations92
US4691200ASep 1, 1987
Matrix display with a fast cursor
XEROX CORP38 citations92
US5563635AOct 8, 1996
Power control system for a thermal ink-jet printer
XEROX CORP22 citations90
US5177475AJan 5, 1993
Control of liquid crystal devices
XEROX CORP36 citations90
US4080058AMar 21, 1978
Apparatus for automatic control of an intermediate image storage device in an electrostatographic processing machine
XEROX CORP21 citations81
US4949950AAug 21, 1990
Electrostatic sheet transport
XEROX CORP11 citations74
US5739830AApr 14, 1998
Monolithic printheads for ink jet printing apparatus
XEROX CORP15 citations73
US5422665AJun 6, 1995
Low-interference thermistor for a thermal ink jet printhead chip
XEROX CORP7 citations73
US5193011AMar 9, 1993
Method and apparatus for producing variable width pulses to produce an image having gray levels
XEROX CORP15 citations73
US4830468AMay 16, 1989
Liquid crystal print bar having a single backplane electrode
XEROX CORP14 citations72
US4783146ANov 8, 1988
Liquid crystal print bar
XEROX CORP18 citations72
US4728972AMar 1, 1988
Multiplexing of transient image bar
XEROX CORP9 citations72
US5111320AMay 5, 1992
Ferrolectric liquid crystal devices having improved operating properties by using an electronic mask
XEROX CORP8 citations71
US3936640AFeb 3, 1976
Imaging system
XEROX CORP2 citations62
US7422301B2Sep 9, 2008
Method and apparatus using pixel spot size control for reducing intercolor bleed
XEROX CORP1 citations52