Abstract: The present invention relates to a pharmaceutical composition containing ?-lapachone as an active ingredient for prevention or treatment of cholestatic liver disease, and can provide agents for effectively preventing and treating cholestatic liver disease.

Abstract: Provide is a radio network system including gateways and end terminals, which includes: a time slot distributing unit configured to distribute time slots by which each of the gateways perform a radio communication, wherein the time slot distributing unit is configured to distribute the time slots such that the closer a distance between each of the gateways, a time difference between beginning points of the time slots becomes longer.

Abstract: An electronic shelf label display may include a memory configured to store data of a basic image having a update area and a non-update area, and a communicator configured to receive data of an update image having a blank area and a display area from an external communications device. The electronic shelf label display may include a controller configured to overlap the non-update area of the basic image with the blank area of the update image, and replace the update area of the basic image with the display area of the update image, and thereby form an updated basic image.

Abstract: A gateway, an electronic information label system and a method for transmitting display information of an electronic information label are provided. The electronic information label system includes a plurality of electronic information labels comprising a segment-type electronic information label and an image-type electronic information label; a management server configured to create display information for the plurality of electronic information labels and transmit the display information to a gateway; and the gateway configured to determine transmission time of the display information based on a display type of an electronic information label to which to transmit the display information and transmit the display information to each of the plurality of electronic information label based on the determined transmission time.

Abstract: An electronic shelf label tag includes a communications unit configured to perform wireless communications; a control unit configured to receive and store reservation data before a reserved display time by requesting the reservation data including display information corresponding to the reserved display time through the communications unit and control displaying of corresponding display information included in the reservation data when a current time reaches the reserved display time; a memory unit configured to store the reservation data including the display information corresponding to the reserved display time; and a time management unit configured to provide current time information to the control unit. The control unit may further receive reservation change information on corresponding reservation data before the reserved display time ends and applies the reservation change information to the corresponding reservation data.

Abstract: Disclosed herein are an electronic shelf label system and an operating method thereof. The electronic shelf label system includes: a main server having product information on products stored therein; an electronic shelf label receiving the product information from the main server, displaying the received product information, and including a near field communication tag having a product recognition identification (ID) pre-stored therein; and a mobile communication terminal reading the product recognition ID, transmitting the read product recognition ID to the main server, receiving the product information from the main server, and displaying the received product information.

Abstract: A wireless communications apparatus may include: a channel monitoring unit monitoring a state of a communications channel according to a first communications standard and providing channel state information; a controlling unit deciding whether or not channel interference is present based on the channel state information; and an interference removing signal generating unit transmitting an interference removing signal to at least one of a plurality of channels adjacent to the communications channel when channel interference is present. Therefore, interference between heterogeneous communications networks may be decreased, such that wireless communications may be more stably performed.

Abstract: Disclosed herein are a method for searching for a tag with a communication error and an electronic shelf label system server. The electronic shelf label system server communicating with a plurality of gateways which are installed in a store includes: a gateway identification unit identifying the gateway, which receives a tag signal generated from a tag with a communication error, among the plurality of gateways; a signal attenuation factor measurement unit measuring a signal attenuation factor of the tag signal which is received by the identified gateway; an antenna characteristics measurement unit measuring antenna characteristics of the identified gateway; and a tag position estimation unit determining a spaced distance between the identified gateway and the tag with a communication error and estimating a position of the tag with a communication error based on a position coordinate of the identified gateway and the spaced distance.

Abstract: There are provided a communications system and a method for more efficiently communicating display information in transmitting large-capacity data, such as graphics data, between communication nodes, and an electronic shelf label system using the same. The communications system communicating display information includes a first communications device transmitting display information and a second communications device having a display unit displaying the display information.

Abstract: The electronic shelf label system includes a management server unit storing product information regarding a product, a gateway unit including a plurality of gateways receiving a message containing the product information from the management server unit, and a plurality of electronic shelf label tag units communicating with the gateways, respectively, the plurality of electronic shelf label tag units each including a plurality of electronic shelf label tags receiving the product information from the gateway and displaying the received product information. The management server unit includes a database storing tag information regarding the electronic shelf label tags and product information displayed on the electronic shelf label tags such that the tag information and the product information are linked together.