CODE READER

PURPOSE:To lighten a burden on an information processor while holding reading probability by transferring currently decoded data to the information processor only when the currently decoded data and previously decoded data are different. CONSTITUTION:A photoelectronic converting part 1 photoelectronically converts a bar code, and the output of the part 1 is given to an edge detecting part 2. An edge detected signal from the edge detecting part 2 is given to a counter part 3, a start/stop deciding part 4, and a decoding part 5. An output control part 6 gives a signal (g) to a switching device 7 and transfers decoded data (d) from the decoding part 5 to the information processor as data d1 when the decoded data are different from the preceding decoded data and gives a signal (h) to the switching device 7 and inhibits the transfer of the current decoded data (d) to the information processor when the current decoded data and the preceding decoded data are the same.