Inventor
COBBS KEITH E
US7 patents
Patents
7 patentsUS5600350AFeb 4, 1997
Multiple inkjet print cartridge alignment by scanning a reference pattern and sampling same with reference to a position encoder
HEWLETT PACKARD CO207 citations97
US5250956AOct 5, 1993
Print cartridge bidirectional alignment in carriage axis
HEWLETT PACKARD CO132 citations97
US5448269ASep 5, 1995
Multiple inkjet cartridge alignment for bidirectional printing by scanning a reference pattern
HEWLETT PACKARD CO98 citations95
US4922270AMay 1, 1990
Inter pen offset determination and compensation in multi-pen thermal ink jet pen printing systems
HEWLETT PACKARD CO60 citations95
US5451990ASep 19, 1995
Reference pattern for use in aligning multiple inkjet cartridges
HEWLETT PACKARD CO86 citations94
US5109239AApr 28, 1992
Inter pen offset determination and compensation in multi-pen ink jet printing systems
HEWLETT PACKARD CO40 citations92
US5404020AApr 4, 1995
Phase plate design for aligning multiple inkjet cartridges by scanning a reference pattern
HEWLETT PACKARD CO52 citations91