Patent ID: 9146076
Filing Date: 2015-09-29
Classification: F41G

Abstract:
1. A dot sight which comprises a battery, a dot visual chart generator, and a reflector disposed therein and which is mounted on a portable gun, the dot sight comprising: a controller which selects an operation mode in which power of the dot visual chart generator is turned on and a power saving mode in which the power of the dot visual chart generator is turned off; a timer which measures a time from when the operation mode is started, wherein the controller converts a mode into the power saving mode after a predetermined time using a time measured by the timer; and a vibration sensor which is disposed in the dot sight and senses a movement of the gun; wherein, if a movement sensing signal of the gun is provided by the vibration sensor in the power saving mode, the controller converts the power saving mode into the operation mode; wherein, if the power saving mode is converted into the operation mode the controller initializes a value of the timer; and wherein, if the movement sensing signal is provided by the vibration sensor in the operation mode, the controller initializes the value of the timer.