| 摘要 |
<P>PROBLEM TO BE SOLVED: To simplify digital control by conventional feedback in the control of a switching circuit and to realize energy saving, cost reduction and a stable operation of a copying machine. <P>SOLUTION: In a control circuit composed of a rectifier and smoothing circuit 1, a switching circuit 2, an output circuit 3, a digital control circuit 5 and a copying control circuit 6, etc., a plurality of functions for generating a voltage required for performing a prescribed copying operation and a memory for storing the control information of the copying operation are provided. A switching control circuit and the control circuit of the copying machine are handled as a single circuit. <P>COPYRIGHT: (C)2004,JPO |
