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    • 5. 发明申请
    • Power controller
    • 电源控制器
    • US20050099165A1
    • 2005-05-12
    • US10975856
    • 2004-10-28
    • Katsuhiko Tani
    • Katsuhiko Tani
    • H02J1/00G05F1/00G05F1/577H02M7/06
    • G05F1/577
    • It is an object of the invention to provide a power controller in the conventional circuit configuration capable of realizing significant reduction of a voltage in a standby state. The power controller comprises a power transformer which is connected to a commercial power via a switching power control circuit, and has first to third output windings at a secondary winding, wherein a reference voltage to be inputted to an error amplifier is an output voltage outputted from the first output winding in a normal mode while it is switched to an output voltage outputted from the third output winding in a standby mode. A significant reduction of a voltage can be realized in a standby mode by switching the reference voltage to the output voltage outputted from the third output winding which is higher than the output voltage outputted from the first output winding.
    • 本发明的目的是提供一种能够在待机状态下实现电压显着降低的常规电路配置中的功率控制器。 功率控制器包括电源变压器,其通过开关电源控制电路连接到商用电力,并且在次级绕组处具有第一至第三输出绕组,其中要输入到误差放大器的参考电压是从 第一输出绕组处于正常模式,同时在备用模式下切换到从第三输出绕组输出的输出电压。 通过将参考电压切换到从第三输出绕组输出的输出电压高于从第一输出绕组输出的输出电压,可以在待机模式下实现电压的显着降低。
    • 7. 发明授权
    • Short-circuit protective circuit
    • 短路保护电路
    • US07224562B2
    • 2007-05-29
    • US11015522
    • 2004-12-17
    • Katsuhiko Tani
    • Katsuhiko Tani
    • H02H3/24H02H7/00H02H9/00G01N27/72G01R33/12G05F1/00
    • G05F1/565
    • The invention provides a short-circuit protective circuit for a constant-voltage power-supply circuit. The constant-voltage power-supply circuit can realize a short-circuit protection with a simple circuit configuration in a power-supply circuit provided with a plurality of power-supply lines. A regulator is connected to one of a plurality of power-supply lines, and a constant voltage is outputted from an output terminal of the regulator through an output line. An output voltage from the regulator is inputted to constant-voltage circuits as a reference voltage, and output constant voltages from the constant-voltage circuits are supplied to the other output lines. A voltage detection circuit is connected to the other output lines, wherein if a voltage drop occurs in any output line, a detection signal is outputted to an operation circuit, thereby turning off an output control terminal of the regulator. Accordingly, the output of the regulator is stopped so that all of the output lines are stopped all at once. The invention is cost-efficient because the invention uses only one regulator to control multiple power-supply lines.
    • 本发明提供一种用于恒压电源电路的短路保护电路。 恒压电源电路可以在设置有多条电源线的电源电路中实现简单的电路配置的短路保护。 调节器连接到多个电源线之一,并且通过输出线从稳压器的输出端子输出恒定电压。 将来自稳压器的输出电压作为基准电压输入到恒压电路,将来自恒压电路的恒定电压输出到其他输出线路。 电压检测电路连接到其他输出线,其中如果在任何输出线上发生电压降,则将检测信号输出到运算电路,从而关闭调节器的输出控制端。 因此,停止调节器的输出,使得所有的输出线全部停止。 本发明具有成本效益,因为本发明仅使用一个调节器来控制多个电源线。
    • 10. 发明申请
    • Short-circuit protective circuit
    • 短路保护电路
    • US20050141152A1
    • 2005-06-30
    • US11015522
    • 2004-12-17
    • Katsuhiko Tani
    • Katsuhiko Tani
    • G05F1/00G05F1/10G05F1/565H02H7/00
    • G05F1/565
    • It is an object of the invention to provide a short-circuit protective circuit of a constant-voltage power-supply circuit capable of realizing a short-circuit protection with a simple circuit configuration in a power-supply circuit provided with a plurality of power-supply lines. A regulator is connected to one of a plurality of power-supply lines, and a constant voltage is outputted from an output terminal of the regulator to one output line. An output voltage from the regulator is inputted to constant-voltage circuits as a reference voltage and other output constant voltages are supplied to other output lines. A voltage detection circuit is connected to the other output lines, wherein if there occurs a voltage drop in either output line, a detection signal is outputted to an operation circuit, thereby turning off an output control terminal of the regulator. Accordingly, an output of the regulator is stopped so that the output lines are stopped all at once.
    • 本发明的目的是提供一种恒压电源电路的短路保护电路,其能够在设置有多个电源电路的电源电路中实现具有简单的电路配置的短路保护, 供应线。 调节器连接到多条电源线之一,并且恒定电压从调节器的输出端子输出到一条输出线。 来自稳压器的输出电压作为参考电压输入到恒压电路,其它输出恒定电压被提供给其他输出线。 电压检测电路连接到其他输出线,其中如果在任一输出线中出现电压降,则将检测信号输出到运算电路,从而关闭调节器的输出控制端。 因此,停止调节器的输出,使输出线全部停止。