Inventor
LAMA WILLIAM L
US30 patents
⚠️ This page may combine multiple inventors who share the name “LAMA WILLIAM L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
29 patentsUS4011009AMar 8, 1977
Reflection diffraction grating having a controllable blaze angle
XEROX CORP218 citations99
US5404411AApr 4, 1995
Bitmap-image pattern matching apparatus for correcting bitmap errors in a printing system
XEROX CORP116 citations97
US4524289AJun 18, 1985
Flash lamp power supply with reduced capacitance requirements
XEROX CORP78 citations96
US4331380AMay 25, 1982
Gradient index lens array having reduction properties
XEROX CORP46 citations93
US5089908AFeb 18, 1992
Plywood suppression in ROS systems
XEROX CORP32 citations92
US4801978AJan 31, 1989
Image bar printer compensated for vibration-generated scan line errors
XEROX CORP27 citations92
US4533853AAug 6, 1985
Mechanism and method for controlling the temperature and output of a fluorescent lamp
XEROX CORP41 citations92
US4462662AJul 31, 1984
Imaging system utilizing a gradient index lens array compensated for non-uniform object illumination
XEROX CORP40 citations92
US4190355AFeb 26, 1980
Facetted reflector
XEROX CORP35 citations91
US4989019AJan 29, 1991
Multi-beam scanning system compensated for banding
XEROX CORP34 citations89
US4761062AAug 2, 1988
Gradient index lens array with improved image quality due to stray light reduction
XEROX CORP24 citations82
US4868587ASep 19, 1989
Image halftoning system for printers
XEROX CORP21 citations81
US5477317ADec 19, 1995
Adaptive exposure color correction
XEROX CORP12 citations74
US4884083ANov 28, 1989
Printer compensated for vibration-generated scan line errors
XEROX CORP16 citations74
US4707122ANov 17, 1987
Method and apparatus for eliminating exposure strobing effects in a document reproduction machine
XEROX CORP8 citations74
US4571022AFeb 18, 1986
Two row reduction/enlargement gradient index lens array
XEROX CORP10 citations74
US4373780AFeb 15, 1983
Image transmitting system utilizing a gradient index lens
XEROX CORP9 citations74
US4226527AOct 7, 1980
Anti-strobing filters
XEROX CORP8 citations74
US5406379AApr 11, 1995
Method of hybrid halftone printing by limiting the number of gray pixels and gray pixel levels
XEROX CORP13 citations72
US5260799ANov 9, 1993
Pulsed imaging, pulse width modulation scanner for a tri-level highlight color imaging system
XEROX CORP17 citations72
US5223857AJun 29, 1993
Pulsed imaging, pulse width modulation raster output scanner for tri-level exposure
XEROX CORP13 citations72
US4355891AOct 26, 1982
Reduction of lamp strobing effects in a reproducing apparatus
XEROX CORP10 citations71
US4557581ADec 10, 1985
Full-frame short focal length imaging system
XEROX CORP9 citations70
US4351019ASep 21, 1982
Facetted reflector
XEROX CORP8 citations70
US4903074AFeb 20, 1990
Plural belt document feeder with optimum optical properties
XEROX CORP14 citations68
US4774546ASep 27, 1988
Apparatus for forming composite images
XEROX CORP14 citations68
US4696545ASep 29, 1987
Short focal length imaging device
XEROX CORP6 citations63
US4435039AMar 6, 1984
Method and apparatus for improving image quality of a reduction/enlargement gradient index lens array
XEROX CORP6 citations63
US4071799AJan 31, 1978
Sodium vapor lamp with emission aperture
XEROX CORP2 citations63