To display advertisements on each of a plurality of portable terminals.
A display device 200, which communicates with a server device 400, includes: a collection part 21 which collects the equipment information of each portable terminal 100A, 100B, 100C being connected to the display device 200 from each portable terminal 100A, 100B, 100C; a first transmission part 23 which transmits each piece of collected equipment information to the server device 400; a reception part 24 which receives from the server device 400, each piece of advertisement information indicating the advertisements associated to each piece of identification information of each portable terminal 100A, 100B, 100C based on transmission of each piece of equipment information; and a second transmission part 25 which transmits each piece of advertisement information associated to the identification information to the portable terminal 100A, 100B, 100C identified by the identification information.
SAKAKURA KENTARO
SUGAYAMA TORU
KURIMOTO YUSUKE
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Masayuki Sakai
Nobuo Arakawa
Masato Sasaki