P

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 patents
US4011009AMar 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

REES JAMES D

1 patent