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    • 5. 发明申请
    • Switching power supply device
    • 开关电源装置
    • US20060232221A1
    • 2006-10-19
    • US11390361
    • 2006-03-28
    • Yoshikazu Kawai
    • Yoshikazu Kawai
    • H05B37/02
    • G09G1/005G09G2330/022H02M2001/0032Y02B70/16
    • A switching power supply device has a large load power supply line for a CRT circuit, to and from which a dummy resistor for voltage stabilization is connected and disconnected by a switch. In standby state, a control unit turns off the switch to disconnect the dummy resistor from the power supply line. When receiving a power supply ON command input by a user operating a remote control, the control unit turns on the switch to connect the dummy resistor to the power supply line. At a predetermined time after the dummy resistor connection, the control unit makes a regulator active to start providing voltage to a video/audio signal processing circuit with sufficient current providable thereto. This enables to reduce power consumption of the power supply line with the dummy resistor, and to prevent problems caused by insufficient current in transient state from standby state to power supply ON state.
    • 开关电源装置具有用于CRT电路的大负载电源线,用于电压稳定的虚拟电阻器通过开关连接和断开。 在待机状态下,控制单元关闭开关以将虚拟电阻与电源线断开。 当接收到由操作遥控器的用户输入的电源ON命令时,控制单元接通开关以将虚拟电阻器连接到电源线。 在虚拟电阻器连接之后的预定时间,控制单元使调节器有效,开始向视频/音频信号处理电路提供足够的电流。 这样可以减少虚拟电阻器的电源线的功耗,并且能够防止从待机状态到电源接通状态的暂态状态下的电流不足引起的问题。
    • 8. 发明授权
    • Switching power supply device with power on from standby sequence that includes reconnecting dummy resistor to large load power supply line
    • 从备用序列开机的开关电源设备,包括将虚拟电阻重新连接到大负载电源线
    • US07478254B2
    • 2009-01-13
    • US11390361
    • 2006-03-28
    • Yoshikazu Kawai
    • Yoshikazu Kawai
    • G06F1/26
    • G09G1/005G09G2330/022H02M2001/0032Y02B70/16
    • A switching power supply device has a large load power supply line for a CRT circuit, to and from which a dummy resistor for voltage stabilization is connected and disconnected by a switch. In standby state, a control unit turns off the switch to disconnect the dummy resistor from the power supply line. When receiving a power supply ON command input by a user operating a remote control, the control unit turns on the switch to connect the dummy resistor to the power supply line. At a predetermined time after the dummy resistor connection, the control unit makes a regulator active to start providing voltage to a video/audio signal processing circuit with sufficient current providable thereto. This enables to reduce power consumption of the power supply line with the dummy resistor, and to prevent problems caused by insufficient current in transient state from standby state to power supply ON state.
    • 开关电源装置具有用于CRT电路的大负载电源线,用于电压稳定的虚拟电阻器通过开关连接和断开。 在待机状态下,控制单元关闭开关以将虚拟电阻与电源线断开。 当接收到由操作遥控器的用户输入的电源ON命令时,控制单元接通开关以将虚拟电阻器连接到电源线。 在虚拟电阻器连接之后的预定时间,控制单元使调节器有效,开始向视频/音频信号处理电路提供足够的电流。 这样可以减少虚拟电阻器的电源线的功耗,并且能够防止从待机状态到电源接通状态的暂态状态下的电流不足引起的问题。