US Patent 7274485 Effects module for manipulation of an image

An effects module useful in a digital imaging system such as a compact printer system. The effects module includes an image processor that applies one or more effects to a stored image, which may be read from a printer module. The resultant image is written back to the printer module or another module able to store images. The effects module preferably incorporates two connection means. One or other of the connection means may connect to corresponding connection means on the printer module. The connection means includes a physical connection and a logical connection. The logical connection is a serial bus that communicates power and data.