US Patent 7841703 Printhead having rows of symmetrically arranged nozzles

A printhead is provided which has a plurality of rows of print nozzles. Each row has first and second drive circuitry for each nozzle respectively positioned at opposite sides of each nozzle with respect to the row. The respective positions of the first and second circuitry of each nozzle of each row are rotated 180 degrees relative to the respective positions of the first and second circuitry of each nozzle in each adjacent row.