Patent ID: 7007850

Claim:
A bar code reading apparatus comprising: a laser module having a light-emitting device and a light-receiving device arranged in a substantially orthogonal state; a moving mirror having a mirror mounted on a stand, swing shafts provided on both sides of the stand, a magnet mounted on a lower side of the stand, a supporting pole arranged below the magnet, and an air-core driving coil in which the supporting pole is inserted; and a light-emitting lens for condensing a light beam from the light-emitting device and reflecting the light beam to the mirror; the laser module, the moving mirror and the light-emitting lens being housed in a housing, wherein in the laser module, the light-emitting device and the light-receiving device are mounted on a lateral surface and a top surface of a prism, respectively, so that the light-emitting device and the light-receiving device are arranged in a substantially orthogonal state, and the light-receiving device has a broader area than the top surface of the prism and protrudes toward the light-emitting device.