The present invention relates to a contents transaction system using content authentication. The content transaction system comprises: a user interface unit for receiving commands from users of the content transaction system and outputting results of performing predetermined processes according to the commands; and a central processing unit for receiving a command from the user interface unit and ...

The present invention comprises an electrode assembly having an anode/separating film/cathode structure; and an electrode assembly is provided in which a plurality of first electrode units and a single second electrode sheet are placed between separating film sheets and are wound into a structure in which they face each other, and in which the first electrode and the second electrode constitute el...

Disclosed is a tiltable slide apparatus which has a simple structure and can be slid smoothly. Because there is no rotation torque acting between upper and lower members sliding open with respect to one another, no scratching or friction occurs between the members sliding above and below one another. The tiltable slide apparatus includes a first member, a guiding member, and a second member. The f...