There is disclosed a tripod head for mounting a device to be held (such as an illumination device) to a support base at an adjustable Angle of depression or elevation.
有披露了用于安装设备三脚架云台举行(如照明设备)为支持基地的抑郁或高度可调角度。
Through the emitting device mounted on the telescopic door body of the telescopic door, the telescopic door can have an indicating and illumination function for vehicles and people at night.
通过在伸缩门的伸缩门体上设置发光装置，从而在夜间时对车辆和居民可以起到指引和照明的作用。
The device has the advantages of long service life, high light emission efficiency and stable light output, and can meet the illumination requirement for backlight source of LCD device, etc.
且该装置使用寿命长、发光效率高、输出光稳定，适合作为LCD显示器件的背光源等照明要求。
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