Patent ID: 7523866
Filing Date: 2009-04-28
Classification: G06K

Abstract:
1. An audible tone emitting portable bar code reading device capable of emitting an audible tone, said portable bar code reading device being of the type which may be moved between various distances, orientations, and angles with respect to a bar code symbol, said portable bar code reading device comprising: an imaging assembly comprising a two dimensional solid state image sensor and an optics assembly focusing an image onto said solid state image sensor; wherein said portable bar code reading device is configured to operate in an operating mode in which said portable bar code reading device (a) obtains an image that is desired to represent a signature, (b) processes said image to determine whether said signature is actually located in said image obtained in (a), and emits an audible tone responsively to said determining of whether said signature is located in said image obtained in (a).