Medicine dispenser, method of discharging medicine, and automatic medicine packing machine including the dispenser

A medicine dispenser capable of discharging medicines one pill at a time by vibration, comprising:

• a frame;
• a vibration unit mounted on the frame and moving medicines by vibration;
• and
• a medicine transfer unit transferring the medicines discharged one pill at a time from the vibration unit to an outside of the medicine dispenser,
• the medicine transfer unit comprising a detection unit provided to a discharge passage, through which the medicines discharged from the vibration unit pass, to detect the number of medicines passing through the discharge passage, a holding member causing the medicines, which have passed through the detection unit, to temporarily remain on the holding member inside the discharge passage, and an opening/closing member located downstream of the holding member to open a packing passage if the number of medicines measured by the detection unit and placed on the holding member equals a predetermined number of medicines, and to open a recovery passage if the number of medicines measured by the detection unit and placed on the holding member differs from the predetermined number of medicines,
• wherein the opening/closing member and the holding member are rotatably driven by separate motors.