(EN) A portable instant bar-code reader including a hand-held reader unit having a flash type illuminator (13). The flash type illuminator is triggered to illuminate a bar-code label (10) positioned adjacent to a light receiving window (21) of the reader. Reflections from the bar code label are transmitted through the light receiving window and are focused onto a photodiode array (15) by means of a lens (16). The photodiode array is scanned automatically, and readout pulses are developed into logic which represents the information contained in the bar-code.
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