Patent ID: 7773124

Claim:
A multimedia pen having a plurality of modular components linkable via a serial bus through male and/or female connectors, said pen comprising: a camera module having an image sensor for capturing an image in a RGB format, a central processing unit with program memory for storing program steps for execution by the central processing unit to operate the camera module, image storage memory for storing the captured image, and at least one image processing unit in communication with the image storage memory to transform the image into a L*a*b* format and resampling the image, the resampling including calculation of medium resolution R, G and B pixels by running an image reconstruction filter on R, G and B data respectively; and a printer module having a drop-on-demand inkjet printhead for receiving the image from the storage memory over the serial bus in the L*a*b* format, for converting the image to a color space of the printer module and for producing bi-level dots for printing the captured image.