Abstract: An apparatus for improving an image in a car audio system, and a control method thereof are provided. The apparatus includes: a first speaker unit for outputting a high band sound from a sound reproduced in the car audio system; a second speaker unit for outputting a middle band sound and a low band sound from the sound reproduced in the car audio system; a first structure for providing a directionality for the low band sound; and a second structure for rotating the first structure correspondingly to a position of a user of the car audio system.

Abstract: A vehicle driver guarding system using a vehicle telematics service and a control method thereof are provided. The vehicle driver guarding system includes: a vehicle telematics system for receiving a final destination, calculating a final destination arrival expectation time, notifying a central information center of the calculated expectation time through a mobile communication system, receiving a vehicle driver guard confirmation message from the central information center, and transmitting a response message to the received confirmation message, to the central information center; and the central information center being notified of the expectation time, transmitting the vehicle driver guard confirmation message to the vehicle telematics system when the notified expectation time lapses and then a preset time lapses, and performing a vehicle driver guarding function upon non-reception of the response message within the preset time.

Abstract: Provided are a smart navigation system using a portable memory, and a control method thereof. The system includes the portable memory, and a navigation system. The portable memory stores special area information on a specific area. The navigation system has a map database for storing map data, and, when a current measured position is within the specific area, maps the special area information to the map data and displays the mapped special area information.

Abstract: A coaxial speaker is provided. The speaker includes a bottom plate; a tweeter; a pole having a through-hole passing up/down at its upper and central part; and a tweeter fixing member fixed and connected at its one end to a bottom surface of the tweeter, and fixed and connected to an upper end of the bottom plate through the through-hole of the pole.

Abstract: An apparatus for improving an image in a car audio system, and a control method thereof are provided. The apparatus includes: a first speaker unit for outputting a high band sound from a sound reproduced in the car audio system; a second speaker unit for outputting a middle band sound and a low band sound from the sound reproduced in the car audio system; a first structure for providing a directionality for the low band sound; and a second structure for rotating the first structure correspondingly to a position of a user of the car audio system.