Abstract:
PURPOSE: A method of generating a DRM domain is provided to generate a DRM domain through a mobile storage device between a registration object terminal and a registered terminal, thereby freely reproducing DRM contents stored in the registered terminal. CONSTITUTION: A registration object terminal(10) transfers authentication information of a memory to a registered terminal to a registered terminal(30) through a mobile storage device(20). The registered terminal requests DRM domain generation to a DRM(Digital Rights Management) server(40). The registration object terminal compares authentication information of the mobile storage device with the authentication of the memory by connecting to the mobile storage device. If the authentication information of the mobile storage device is matched with the authentication of the memory, the registration object terminal generates a DRM domain with the registered terminal.
Abstract:
PURPOSE: A multimedia system for distinguishing communication of multimedia instrument is provided to reduce the operating error rate of a multimedia terminal. CONSTITUTION: A portable multimedia device is connected to a multimedia port(200), and a multimedia terminal(100) includes a control unit(110) and a vehicle network communication unit(140). The multimedia terminal judges whether the portable multimedia device is a USB(Universal Serial Bus) communication device or a UART(Universal Asynchronous Receiver Transmitter) communication device according to a signal level received from the multimedia terminal.
Abstract:
PURPOSE: A wireless sharing device is provided to use a wireless internet within a vehicle with a local wireless communication module of a mobile terminal by connecting a control terminal and the mobile terminal to an internet providing server through each remote wireless communication module. CONSTITUTION: A remote wireless communication module(13) is connected to an internet providing server(200). An access units(12) is connected to a control terminal(20) within a vehicle through the wire or the wireless. The access unit is connected to a mobile terminal(30) within the vehicle wirelessly. The access unit connects the control terminal and the mobile terminal to the remote wireless communication module respectively. A control unit(14) performs file sharing between the control terminal and the mobile terminal.
Abstract:
PURPOSE: A vehicle information update system using a wireless internet sharer connected with a telematics server and method thereof are provided to rapidly download update files by connecting to the telematics server through the wireless internet sharer. CONSTITUTION: When vehicle information for update files is existed in a telemetric server(300), a wireless communication unit(101) automatically receives the update files by connecting to a wireless internet sharer through a Wi-Fi method. A control unit(103) manages apparatuses corresponding to vehicle information and the vehicle information and stores the update files transmitted by the wireless communication unit. An update unit(105) updates the vehicle information by using the update files. The wireless communication unit searches adjacent wireless internet sharers.
Abstract:
A metal tube reinforced with a truss is provided to fit a solid rhombic structure formed by disposing three columns of rhombi in net like pattern wherein first and third column rhombi are bent 90 degrees at transverse direction and outer end points of each rhombi are joined together, thereby forming the rhombic structure having high intensity and light weight capable of resisting buckling causing loads. A metal tube reinforced with a truss comprises a truss structure(11) in a rhombic shape continuously disposed in three columns on a plane surface wherein the structure is formed in a net like pattern, while on at least one end point of each rhombi, elongated bridges having open ends are extended at transverse direction. Each of first and third column rhombi are bent 90 degrees towards the breadth with first and third axial lines as references, while the rhombi of the second column are bent 90 degrees toward the width with second column axial line as a reference, and widthwise outer end points of first and third column rhombi are joined to form an overall appearance of plural solid rhombi continuously linked together. The elongated bridges having open ends form two columns of vertically and horizontally intersecting reinforcing bridges on inner sides of the solid rhombic structure.
Abstract:
A structure for preventing inflow of rainwater into ventilator of a bus is provided to keep the inner temperature of the bus pleasantly by opening a ventilation hole even when it rains. A structure for preventing inflow of rainwater into ventilator of a bus includes a ventilation hole(100), a door(110), a guide groove(200), a first supporting bar(300), a second supporting bar(400), first and second fixing pins(313,413), and a shielding plate(500). The ventilation hole is formed on an upper plane of a roof panel. The door is hinge-coupled to both sides of a rear side of the ventilation hole and is capable of open to front of the bus. The guide groove is formed lengthwise on both planes of the ventilation hole. The first supporting bar includes a first guide roller(310), a first insertion hole, and a plurality of first moving holes(312). The first guide roller is inserted in the guide groove. The first insertion hole is formed on an upper part of the first supporting bar. The plurality of first moving holes is formed on center of the first supporting bar. The second supporting bar includes a second guide roller(410), a second insertion hole(411), and a plurality of second moving holes(412). The second guide roller is slid in a rear side of the first supporting bar. The first insertion hole is formed on an upper part of the first supporting bar. The plurality of first moving holes is formed on center of the first supporting bar. The first and second fixing pins are inserted in the first and second insertion holes. The shielding plate is connected to the first and second supporting bars for shielding rainwater.