| 摘要 |
PURPOSE: A signal stick is provided to maintain constantly the intensity of illumination and control the length of the signal stick by forming the signal stick with a barrel unit including barrels. CONSTITUTION: A switch(130) is installed on an outer circumference of a handle(10). A power supply unit is formed in the side of the handle. A battery(120) is inserted into the power supply unit. A barrel unit(20) is formed with two or more barrels in order to control the length. A PCB is installed in the inside of the handle. An LED is installed in the inside of the barrel unit. A first LED(70) is installed at a top part of the handle. A second LED(80) is installed at a center of a lower barrel(30) coupled to the handle. The second LED is installed on a fixing member(90), which is projected from the top part of the handle. A reflector(60) is formed on an upper barrel. The barrel unit has the constant intensity of illumination. |
