David W. Boyd

Direction scaling method and apparatus for image scanning resolution control

Belt-tensioning apparatus

System and method for spot color extraction

Method and apparatus for composing a panoramic photograph

Optical scanner aperture and light source assembly

Optical scanner with mirror mounted occluding aperture or filter

Systems and methods for displaying images

Adapter for scanning transparencies with a reflective document scanner

Method and apparatus for locating the document referencing corner in a document scanner

Method for achieving correct exposure of a panoramic photograph