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    • 7. 发明专利
    • LOAD CONTROLLING METHOD AND ITS APPARATUS
    • JP2000032650A
    • 2000-01-28
    • JP7867699
    • 1999-03-23
    • BOSCH GMBH ROBERT
    • ZIMMERMANN CHRISTIAN
    • H02H3/093G01R31/02H02H3/00H02H3/06H03K17/082
    • PROBLEM TO BE SOLVED: To improve the availability of the output stage of a load controlling apparatus and protect it simultaneously from the short-circuit of its output stage, by combining adaptively the identified short-circuits with the accommodated stoppings of its control. SOLUTION: When a plurality of control signals IN are generated almost simultaneously in a load controlling apparatus, the following is considered in such a development. That is, a very high-loss output is generated in its output stage 110 or a switching means 110. Such loss output may generate possibly a thermal destruction and a thermal obstacle in at least one output stage 110. Therefore, the accommodated stoppings of its control are combined adaptively with the identified short-circuits of its output stage. This is realized, e.g. by the following. That is, using a short-circuit counter 150, the number of the generated short-circuits is counted. When its output stage 110 is switched on initially, this counter 150 is set to zero. Each switching-on signal IN causes the switching-on of its output stage.