Abstract: Provided is an apparatus for measuring biosignals. The apparatus includes: a multiplexer configured to receive a first biosignal and a second biosignal, and to output either the first biosignal or the second biosignal; an analog-to-digital converter configured to convert an analog signal that is an output of the multiplexer into a digital signal; and a processor configured to perform signal processing on an output of the analog-to-digital converter.

Abstract: An apparatus and method for providing a communication service to a terminal having a specific identifier (ID), and an apparatus and method for receiving a communication service are disclosed. The method includes recognizing an attribute of a terminal, determining whether the communication service is appropriate for the terminal, and if it is determined that the communication service is appropriate, setting the terminal to an active mode.

Abstract: The present invention relates to an advertisement providing system and a method thereof. The advertisement providing system provides a web page including at least one of web page information, news information, and blog information to a user terminal, and extracts an advertisement keyword of information selected by the user in correspondence to web page provision. When the information selected by the user is an internal page, a web page corresponding to the selected information is provided to the user terminal, advertisement contents matching the extracted advertisement keyword and the number of steps included in user action information are selected and provided based on advertisement register information including a plurality of advertisement contents matching the advertisement keyword and the number of steps, and user action information is updated based on the user action provided by the user terminal.