Back to results
US 6,724,413 B2Granted
Image width correction for LED printhead
AssigneeNexPress Solutions LLC
InventorYee S. Ng
Life of this patent
Estimating the term…
Abstract
Correcting pixel inaccuracies in a writing device having a linear array elements wherein a mechanism to control temperature within a predetermined portion of the writing device is used to correct placement inaccuracies by first determining the inaccuracies with respect to a centering element reference point, and then adjusting the temperature within the predetermined portion of the writing device.
Claims7
An array writer with length correction comprising:
- a plurality of writing elements formed in a first direction within said array writer, and a centering device located within said writing elements;
- a temperature controlling device within said array writer;
- and
- an interface between said writing elements and temperature controlling device to allow for temperature control of writing placement inaccuracies with respect to said centering element.
1 more element
Dependencies are inferred from the claim text.