US Patent 7866794 Pen-shaped modular camera assembly having a serial bus interface

Provided is a pen-shaped modular camera assembly having a plurality of modules each with at least one connector to link the modules together. The assembly includes a camera module having an image sensor for capturing an image in an RGB (red, green, blue) color space, as well as a central processing module arranged in communication with the camera module. The central processing module has a central processor that includes a RISC processor core and a memory for storing operating instructions to operate the camera module and image data for manipulation by the processor core. The assembly also includes a serial bus interface for communicating with the camera module, the printer module and the dispenser module.