Patent ID: 7724401

Claim:
An image scanner for scanning an object to obtain digital data, comprising: a casing; a carriage module slidably disposed inside said casing for picking up image data of said object and converting said image data into digital data; a wireless transmitter incorporated into said carriage module for receiving and modulating said digital data into wireless signals and transmitting said wireless signals; and a wireless receiver separate from said carriage module and being in communication with a processing system for receiving and demodulating said wireless signals from said wireless transmitter into said digital data and outputting said digital data to said processing system for further processing; and two conductive rods extending in parallel along a moving direction of said carriage module and penetrating through said carriage module, said carriage module electrically coupled to the two conductive rods such that the carriage module is enabled to be powered by means of a voltage difference between the two conductive rods.