Patent ID: 8186093

Claim:
A dot sight device comprising: a window frame enclosing a transparent lens; a body plate extending from the window frame; a light emitter disposed on the body plate, and configured to emit a light that forms a pattern on the transparent lens; a brightness detector disposed at a side of the body plate; a brightness detector switch configured to selectively activate the brightness detector; a brightness switch configured to enable a user to manually change a brightness of the pattern; a battery case disposed at a rear of the body plate; a magnifier movably attached to the body plate; a caliber adjustment knob disposed on the body plate, and configured to enable targeting by firearms of different calibers; a dual bullet drop compensation wheel disposed in the body plate, and configured for bullet drop compensation over distances in use with the caliber adjustment knob for targeting of the firearms of different calibers; and an infrared (IR) detector disposed at a front of the body plate.