Abstract: Provided is a duct docking device for a ventilation seat of a vehicle. The duct docking device enables air to be easily blown to a seatback and a seat cushion with a passenger in a seat using only one blower by enabling a seatback duct mounted at the seatback and a seat cushion duct mounted at the seat cushion to be hermetically docked through a connector duct, etc. at an unfolded position of the seatback in which a passenger can sit, and by enabling the seatback duct mounted at the seatback and the seat cushion duct mounted at the seat cushion to be separated from each other at a folded position of the seatback in consideration of that there is no passenger in the seat.

Abstract: Disclosed is a system for assisting drivers to negotiate intersections comprising a wireless unit, which is mounted in a vehicle, for performing a wireless transmission and reception of various signals, and displaying various symbols to aid the driver in passing through an intersection; a bi-directional base station for receiving vehicle position signals from the wireless unit, then re-transmitting the vehicle position signals; a traffic light unit provided at an intersection or crosswalk, the traffic light unit displaying lights and signals; and an information service management center for receiving signals from the traffic light unit to determine an illumination state of the same, and transmitting the signals from the traffic light unit to the base station via a wire connection.

Abstract: Disclosed is a system for assisting drivers to negotiate intersections comprising a wireless unit, which is mounted in a vehicle, for performing a wireless transmission and reception of various signals, and displaying various symbols to aid the driver in passing through an intersection; a bi-directional base station for receiving vehicle position signals from the wireless unit, then re-transmitting the vehicle position signals; a traffic light unit provided at an intersection or crosswalk, the traffic light unit displaying lights and signals; and an information service management center for receiving signals from the traffic light unit to determine an illumination state of the same, and transmitting the signals from the traffic light unit to the base station via a wire connection.