Bar code data driven communications by mobile computer...

Bar code data entry device

Bar code data entry device

Bar code dataform scanning and labeling apparatus and method

Bar code decoder for a lightpen

Bar code decoder with changeable working ranges

Bar code decoding using moving averages to break the (n,k) code

Bar code decoding using moving averages to break the (N.K.) code

Bar code decoding with dynamically loadable data character sets

Bar code decoding with speed compensation

Bar code demodulating method

Bar code demodulating method dependent on respective range of le

Bar code demodulating method empolying reference black and white

Bar code detecting circuitry

Bar code detecting circuitry

Bar code detecting circuitry

Bar code detecting circuitry

Bar code detecting circuitry

Bar code detection using background-correlated bar criterion for

Bar code device