Patent ID: 8843178

Claim:
A wireless hotspot device capable of sharing video picture, comprising: a negative booster connected with a first connection port and a battery, the first connection port being for an external power to input power; a booster connected with the battery and a second connection port; a first control unit connected with the negative booster, the booster, a switch and an LED indicator, the first control unit serving to control the external power passing through the negative booster to drop the voltage of the external power to a voltage meeting the battery power and control the booster to boost the voltage of the battery power to a preset value; a second control unit connected with the first control unit and a wireless transmission unit, the second control unit including a connection interface connected with a multimedia playing module, an Ethernet interface, multiple backup network/file access modules and a connector module, the multiple backup network/file access modules being used to control the data transmission/access of the networks and cloud, the connector module including a hub/switch connected with a controller, the hub/switch being further connected with the connection interface and the second connection port, the controller being connected with a flash memory, the second connection port being for outputting the battery power or transmitting data; an Ethernet connection port connected with the Ethernet interface of the second control unit; a regulator connected with the battery and the second control unit, through the regulator, the battery power being provided for the second control unit and the wireless transmission unit; and a high-definition multimedia interface (HDMI) transmission port connected with the connection interface of the second control unit as an interface for the multimedia playing module of the second control unit to output video/audio signals.