US Patent 7721965 Computerized electronic device with bill validating module

A computerized electronic device includes a base, a display pivoted to the base, a sending module fixed to the display for emitting a light beam, a receiving module fixed to the base for receiving the light beam emitted by the sending module passing through a bill to be detected, and a controller for receiving signals from the receiving module and processing the signals to obtain a result therefrom. The computerized electronic device adopts computer-aided devices to complement bill validation. This greatly improves the accuracy and smartness of bill validation.