Patent ID: 6527179
Filing Date: 2003-03-04
Classification: G06K

Abstract:
A bar-code reader, comprising:an optical device for emitting light, and for receiving a signal in a form of light reflected from a bar-code label; a signal converter for reading said signal from said optical device and converting said signal into bar-code data; a bar-code data decoder for decoding the bar-code data read by said signal converter; a transmitter for transmitting said bar-code data to a station host; an identical label detector for detecting, through comparison, whether said bar-code data from said signal converter is identical to a just previously read bar-code data; a double reading prevention timer as a basis to determine whether to discard any double reading of said bar-code data within a predetermined time period; and an annunciator for producing a first notification when a first reading of said bar-code data is transmitted to said station host and a second notification when a double reading of said bar-code data is discarded within said predetermined time period.