A laser print apparatus includes a memory for storing a multi-bit image including a plurality of pixels. Each pixel is represented by an N-bit value, wherein N is greater than one. A modulation code generator analyzes three adjacent pixels. The three adjacent pixels include a left pixel, a center pixel,...http://www.google.com/patents/US20040156079?utm_source=gb-gplus-sharePatent US20040156079 - Laser print apparatus that generates pulse width value and justification value based on pixels in a multi-bit image
