| 5600350 |
Multiple inkjet print cartridge alignment by scanning a reference pattern and sampling same with reference to a position encoder |
Robert W. Beauchamp, Paul R. Sorenson |
1997-02-04 |
| 5451990 |
Reference pattern for use in aligning multiple inkjet cartridges |
Paul R. Sorenson, Robert W. Beauchamp |
1995-09-19 |
| 5448269 |
Multiple inkjet cartridge alignment for bidirectional printing by scanning a reference pattern |
Robert W. Beauchamp, Paul R. Sorenson |
1995-09-05 |
| 5404020 |
Phase plate design for aligning multiple inkjet cartridges by scanning a reference pattern |
— |
1995-04-04 |
| 5250956 |
Print cartridge bidirectional alignment in carriage axis |
Robert D. Haselby, Michael A. Nguyen |
1993-10-05 |
| 5109239 |
Inter pen offset determination and compensation in multi-pen ink jet printing systems |
Robert D. Haselby, William S. Osborne |
1992-04-28 |
| 4922270 |
Inter pen offset determination and compensation in multi-pen thermal ink jet pen printing systems |
Robert D. Haselby, William S. Osborne |
1990-05-01 |