3 results about "Metal detectors" patented technology

The invention discloses a driveway information indicating system. The driveway information indicating system comprises canalization driveways and a metal detector, wherein the canalization driveways are divided in a crossing, metal pieces are embedded under the pavement of each canalization driveway, and the metal pieces are arranged according to a specified coding rule and are used for identifying different canalization driveways; and the metal detector is arranged at the bottom part of a vehicle and is used for detecting the metal pieces and the arranging mode of the metal pieces. The vehicle is also provided with a driveway screening module and a signal output module, wherein the driveway screening module is used for obtaining the driveway where the vehicle is located at present by comparing the metal piece embedding situation detected by the metal detector with a preset coding rule in real time, and the signal output module is used for indicating the situation of the driveway where the vehicle is located in a way such as sound and light to a vehicle driver. The driveway information indicating system disclosed by the invention can be combined with a crossing traffic light system, and the vehicle driver can be better indicated; and the driveway information indicating system also can be used as a traffic management tool for recording and managing illegal acts of driving not according with signs and marked liens.