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    • 1. 发明授权
    • Supply voltage switching apparatus
    • 电源开关装置
    • US5801520A
    • 1998-09-01
    • US836225
    • 1997-05-07
    • Carl-Henrik MalmgrenHans Oskar ErikssonHenrik Helmer Hellberg
    • Carl-Henrik MalmgrenHans Oskar ErikssonHenrik Helmer Hellberg
    • G05F1/00G05F1/56H03K17/30H04M19/00
    • H04M19/005
    • An apparatus for automatically switching a load between different supply voltages in dependence on varying voltage demands of the load includes a number of analog series regulators. The supply voltage connection terminals of the series regulators are connected to an individual one of the supply voltages while the output terminals of the series regulators are connected to the load to individually conduct current to/from the load in one and the same direction. The reference voltage input terminals of the series regulators are supplied with an individual reference voltage in response to the voltage demand of the load in such a manner that a series regulator connected to a supply voltage of a large absolute value is adapted to be supplied with a reference voltage of a smaller absolute value than a series regulator connected to a supply voltage of a smaller absolute value and strive to output voltage on its output terminal, which is of a smaller absolute value than the output voltage which a series regulator connected to a supply voltage of a smaller absolute value strives to output.
    • PCT No.PCT / SE95 / 01323 Sec。 371日期1997年5月7日 102(e)日期1997年5月7日PCT提交1995年11月8日PCT公布。 公开号WO96 / 15617 日期1996年5月23日根据负载变化的电压需求自动切换不同电源电压之间的负载的装置包括多个模拟串联调节器。 串联稳压器的电源电压连接端子连接到单独的一个电源电压,而串联稳压器的输出端子连接到负载,以在同一个方向上单独地向负载传导电流。 串联稳压器的参考电压输入端子响应于负载的电压需求而被提供单独的参考电压,使得连接到大绝对值的电源电压的串联调节器适于被提供有 参考电压的绝对值比连接到绝对值较小的电源电压的串联调节器的绝对值更小,并且努力输出其输出端子上的电压,绝对值比串联稳压器连接到电源的输出电压的绝对值更小 电压值绝对值越小越好。