Inventor
SEACHMAN NED J
22 patents
Patents
22 patentsUS4011009AMar 8, 1977
Reflection diffraction grating having a controllable blaze angle
XEROX CORP218 citations99
US5307175AApr 26, 1994
Optical image defocus correction
XEROX CORP133 citations98
US4272684AJun 9, 1981
Optical beam-splitting arrangements on object side of a lens
XEROX CORP66 citations96
US6236470B1May 22, 2001
Reflector and light source registration device for a document illuminator
XEROX CORP43 citations92
US6198088B1Mar 6, 2001
Methods and apparatus for detecting a document on a platen
XEROX CORP19 citations92
US6188465B1Feb 13, 2001
Dual depth of focus imaging system
XEROX CORP33 citations92
US5994711ANov 30, 1999
Copy substrate edge electronic registration system for a reprographic system
XEROX CORP21 citations92
US5790211AAug 4, 1998
Platen cover for a digital document scanner with electrically switchable reflectance modes
XEROX CORP48 citations92
US5621217AApr 15, 1997
Apparatus and method for calibrating a digital scanner
XEROX CORP24 citations92
US4877310AOct 31, 1989
Electronically variable MTF filter for image sensor arrays
XEROX CORP32 citations92
US4432017AFeb 14, 1984
Adjacent bilinear photosite imager
XEROX CORP27 citations92
US4009388AFeb 22, 1977
Arrangement for extending photosensor array resolution
XEROX CORP42 citations92
US4863251ASep 5, 1989
Double gauss lens for a raster input scanner
XEROX CORP47 citations91
US4257016AMar 17, 1981
Piezo-optic, total internal reflection modulator
XEROX CORP66 citations91
US4433346AFeb 21, 1984
Raster input scanner
XEROX CORP30 citations89
US4348593ASep 7, 1982
Twisting geometry optical system utilizing imaging array with time delay segments
XEROX CORP11 citations74
US4335305AJun 15, 1982
Twisting geometry scanner utilizing staggered lens array
XEROX CORP9 citations74
US4281254AJul 28, 1981
Self scanned photosensitive array
XEROX CORP11 citations74
US4226527AOct 7, 1980
Anti-strobing filters
XEROX CORP8 citations74
US6271535B1Aug 7, 2001
Copy substrate edge electronic registration system for a reprographic system
XEROX CORP7 citations73
US4392142AJul 5, 1983
Ink jet droplet sensing method and apparatus
XEROX CORP14 citations72
US4607951AAug 26, 1986
Compensating platen for dual mode image input terminals
XEROX CORP2 citations62