Abstract: This application discloses an obstacle detection apparatus and method, and an unmanned aerial vehicle (UAV). The obstacle detection apparatus includes a distance measurement and calculation unit, a receiving tube connected to the distance measurement and calculation unit, at least two emitting tubes connected to the distance measurement and calculation unit, and a measurement controller connected to the at least two emitting tubes. The measurement controller is configured to control the at least two emitting tubes, and the receiving tube is configured to receive an optical signal, the optical signal received by the receiving tube being formed after an optical signal emitted by the emitting tube is reflected by an obstacle.

Abstract: A portable terminal holder includes a supporting part, a plug, and a holding part. The supporting part includes a bottom part and a back part, where the back part bends and extends from an edge of the bottom part, the bottom part is configured to bear a frame of a portable terminal, and the back part is configured to bear a back of the portable terminal. The plug bends and extends from the bottom part, the plug and the back part extend in a same direction relative to the bottom part, a spacing is provided between the plug and the back part, the plug is configured to be inserted into a socket provided on the frame of the portable terminal, and the plug and the supporting part jointly position the portable terminal.

Abstract: A portable terminal holder includes a supporting part, a plug, and a holding part. The supporting part includes a bottom part and a back part, where the back part bends and extends from an edge of the bottom part, the bottom part is configured to bear a frame of a portable terminal, and the back part is configured to bear a back of the portable terminal. The plug bends and extends from the bottom part, the plug and the back part extend in a same direction relative to the bottom part, a spacing is provided between the plug and the back part, the plug is configured to be inserted into a socket provided on the frame of the portable terminal, and the plug and the supporting part jointly position the portable terminal.