Inventor
HENDERSON THOMAS A
US23 patents
⚠️ This page may combine multiple inventors who share the name “HENDERSON THOMAS A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
11 patentsUS6020979AFeb 1, 2000
Method of encoding high resolution edge position information in continuous tone image information
XEROX CORP62 citations96
US5777656AJul 7, 1998
Tone reproduction maintenance system for an electrostatographic printing machine
XEROX CORP55 citations96
US5471313ANov 28, 1995
Method and control system architecture for controlling tone reproduction in a printing device
XEROX CORP81 citations96
US5450165ASep 12, 1995
System for identifying areas in pre-existing image data as test patches for print quality measurement
XEROX CORP68 citations96
US5713062AJan 27, 1998
Color mixing and control system for use in an electrostatographic printing machine
XEROX CORP73 citations95
US5638174AJun 10, 1997
Fluid sensing apparatus with a rotatable member utilizing different length light pipes for alternately transmitting a light beam
XEROX CORP34 citations92
US6111593AAug 29, 2000
Using multiple digitally-produced exposure levels to compensate for laser absorption in read image-on-image xerography
XEROX CORP13 citations74
US5402214AMar 28, 1995
Toner concentration sensing system for an electrophotographic printer
XEROX CORP13 citations74
US5367361ANov 22, 1994
System and method for controlling voltages of elements in an electrostatic printing apparatus
XEROX CORP7 citations74
US5530529AJun 25, 1996
Fluid sensing aparatus
XEROX CORP14 citations73
US4963990AOct 16, 1990
Continuous halftoning using quarternary pixel cells
XEROX CORP6 citations63