| 摘要 |
<p>PURPOSE:To execute the transmission and repetition of data with the other party device without any influence of an imperfect contact and a magnetic noise by executing the transmission and reception of the data with an external device through a light signal with a light emitting element connected to an electricity-light converting circuit and a light receiving element connected to a light-electricity converting circuit. CONSTITUTION:A memory 1 stores the data, and a CPU 2 makes the memory 1 store the data from a light-electricity converting circuit 3 and outputs the stored data to an electricity-light converting circuit 4. The light-electricity converting circuit 3 is connected to a light receiving element 5 on which the light signal is irradiated from the other party device, and the circuit 3 outputs light-electricity-converted data. The electricity-light converting circuit 4 converts the data from the CPU 2 into the light signal by driving a light emitting element 6 and outputs the light signal to the other party device. Thus, the influence of the imperfect contact and the magnetic noise can be eliminated.</p> |
