Two-color point of sale printing
US6863373B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 24, 2003 |
| Grant date | Mar 8, 2005 |
| Priority date | — |
| Expiry date | Mar 8, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K2215/0097
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A 2-color ink jet point of sale (POS) printer includes a converter for converting full color printing commands into commands for printing in two colors, a primary color and an alternate color. A three color image is possible when using the background color of the paper as a color. The printer includes a print carriage which contains only two print cartridges. The printer determines a location of the print cartridge relative to a print location of the image to be printed, and when the print cartridges are both on one side of the print location, the print carriages traverses the paper in one direction, printing first with the primary color and then with the alternate color on the same pass. After the paper is advanced in the printer, the print carriage traverses the paper in the other direction, with the alternate color printing before the primary color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.