An inkjet recording device records images by forming dots on a recording medium with droplet modulating method. The inkjet recording device includes a recording unit, a multilevel-data creating portion, and a dot-layout-data creating portion. The recording unit ejects ink droplets for forming dots at...http://www.google.de/patents/US7367156?utm_source=gb-gplus-sharePatent US7367156 - Inkjet recording device and inkjet recording method