Ball game camera speed measuring machine

A ball game camera speed measuring machine, comprising a PCB board, a speed measuring unit, a camera unit, a memory card, a display panel, a loudspeaker, a power source, an start/stop signal receiving unit configured to receive a start/stop signal, and a communication transmission unit configured to transmit a video signal and a speed signal;

• the PCB board being connected with the start/stop signal receiving unit, the speed measuring unit, the camera unit, the memory card, the display panel, the loudspeaker and the communication transmission unit respectively, the power source supplying power to the loudspeaker, the PCB board, the speed measuring unit and the camera unit;
• wherein a housing comprises a front cover and a rear cover coupled to each other to form an accommodation chamber therebetween to receive the PCB board, the speed measuring unit, the camera unit, the memory card, the loudspeaker, the power source, the start/stop signal receiving unit and the communication transmission unit to be disposed in the accommodation space, wherein the rear cover has an L-shaped configuration comprising a horizontal bottom board and an oblique board that is obliquely connected to the horizontal bottom board;
• and
• wherein the horizontal bottom board is provided with an angle adjustment mechanism that comprises an adjustment hole formed in the horizontal bottom board and an adjustment bolt fitted in the adjustment hole, the adjustment bolt having a portion extending downward out of the horizontal bottom board for adjusting an inclination angle of the housing.