Abstract: The present disclosure provides a portable information conversion device configured for signal communication with a terminal including a housing and a second screen provided on the housing. The portable information conversion device includes a main body, a first screen, a communication part and a connecting part. The communication part is configured to form a signal communication with the terminal so that the first screen interacts with the terminal and displays information; the connecting part is configured to detachably connect the main body to the housing, and the first screen and the second screen are configured for facing different directions.

Abstract: The disclosed subject matter provides a docking station for a translation device, a control method, and a translation system. The docking station includes a communication module in wireless communication connection with at least a first translation device and a second translation device, the communication module configured for receiving first information to be translated sent from the first translation device and sending translated second information to at least the second translation device based on the wireless communication connection, a language type of the second information corresponding to the second translation device and the second information comprising at least one language type different from that of the first information; and a control module configured for receiving the first information transmitted by the communication module, translating the first information into the second information, and sending the second information to at least the second translation device via the communication module.

Abstract: The present disclosure relates to a head-mounted display device, comprising a device body, a front cover and a remote controller, wherein one end of the device body is a display end, the front cover is disposed on the device body and is opposite to the display end, and he front cover and the display end enable a display to be inserted therebetween when in use; and wherein the front cover is provided with a through hole opposite to the display end, in which the remote controller can be received and fixed. One technical effect of the present disclosure is that the remote controller herein is easy to store and can be carried integrally with the device body.

Abstract: The present disclosure relates to a head-mounted display device, comprising a device body, a front cover and a remote controller, wherein one end of the device body is a display end, the front cover is disposed on the device body and is opposite to the display end, and he front cover and the display end enable a display to be inserted therebetween when in use; and wherein the front cover is provided with a through hole opposite to the display end, in which the remote controller can be received and fixed. One technical effect of the present disclosure is that the remote controller herein is easy to store and can be carried integrally with the device body.