公开(公告)号：US20090313488A1

公开(公告)日：2009-12-17

申请号：US12485465

申请日：2009-06-16

Applicant: Yong-Der LEE

Inventor： Yong-Der LEE

IPC: G06F1/00

CPC classification number: G06F1/266 ,  G06F13/385 ,  G06F2213/0042

Abstract: An electronic apparatus includes a host controller, a device receptacle, a multiplexer, an outside voltage detecting and controlling circuit, an interface converting unit, and a storage unit. The host controller includes a first data terminal and a first power voltage output terminal for outputting a first power voltage. The device receptacle includes a second data terminal and a second power voltage output terminal. The multiplexer has two input terminals respectively connected with the first data terminal and the second data terminal. If a second power voltage is issued from the second power voltage output terminal of the device receptacle to the outside voltage detecting and controlling circuit, the third power voltage output terminal of the outside voltage detecting and controlling circuit issues the second power voltage, and the output terminal of the multiplexer is connected with the second data terminal.

Abstract translation: 电子设备包括主机控制器，设备插座，多路复用器，外部电压检测和控制电路，接口转换单元和存储单元。 主机控制器包括用于输出第一电源电压的第一数据端子和第一电源电压输出端子。 设备插座包括第二数据端和第二电源电压输出端。 复用器具有分别与第一数据终端和第二数据终端相连的两个输入端。 如果从设备插座的第二电源电压输出端子向外部电压检测和控制电路发出第二电源电压，则外部电压检测和控制电路的第三电源电压输出端子发出第二电源电压，并且输出 多路复用器的端子与第二数据端子相连。