A portable device as an orientation aid for the blind

摘要

Device as an orientation aid for the blind in the form of a pair of spectacles or a box consisting of at least 2 forwardly directed distance sensors 2 (for example, ultrasonic sensors, an electromagnet shafts sensor or optical sensors), at least one downwardly directed distance sensor 3, a pair of stereo headset, a microcomputer with a corresponding evaluation software, a control unit 5 / 6, characterized in that the of the distance sensors detected obstacles in front of the blind three-dimensionally over the spatial representation of the stereo head may be connected to the listener the blind are switched in volume or pitch.