Communication terminal, server apparatus, electronic worth charging method, and electronic worth charging program

摘要

A portable terminal 10 according to the present invention is provided with an electronic book coupon storage 12, an electronic book coupon transmitter 14, and an electronic book coupon receiver 15. The electronic book coupon storage 12 stores an electronic book coupon which can be charged with no electronic worth by the portable terminal 10. The electronic book coupon transmitter 14 transmits the electronic book coupon stored in the electronic book coupon storage 12, to an electronic book coupon circulating server 20. The electronic book coupon receiver 15 receives the electronic book coupon charged with electronic worth by the electronic book coupon circulating server 20, from the electronic book coupon circulating server 20.