| 摘要 |
PURPOSE: A trace indicating method of a laser beam, an apparatus and a laser beam gun thereby are provided to display the image and the light linearly and dispersively by indicating the trace of the laser beam along the trajectory. CONSTITUTION: A trace display device of a laser beam is composed of a barrel(10) having a hollow storing a bullet(1); a laser module(11) fixed in the rear part of the bullet to irradiate the laser beam to the bullet; an air supply pipe(13) branched from the barrel between the bullet and the laser module; an air tank(12) connected to the air supply pipe and filled with air to apply driving force to the bullet; and a driving valve(14) supplying air from the air tank to the bullet selectively with opening and closing the air supply pipe. The trace of the laser beam is displayed visually along the trajectory of the bullet.
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