	US 7,549,175 B2
	Recording medium, recording method, recording apparatus, reproduction apparatus, data transmission method, and server device
Yoichiro Sako, Tokyo (Japan); Etsuo Shibasaki, Tokyo (Japan); Yoriaki Kanada, Kanagawa (Japan); Akiya Saito, Kanagawa (Japan); Koichi Nakajima, Chiba (Japan); Shunsuke Furukawa, Tokyo (Japan); Kaoru Kijima, Tokyo (Japan); and Akiko Inoue, Saitama (Japan)
Assigned to Sony Corporation, Tokyo (Japan); and Sony Disc & Digital Solution Inc., Tokyo (Japan)
Filed on Apr. 17, 2007, as Appl. No. 11/736,417.
Application 11/736417 is a division of application No. 10/486920, previously published as PCT/JP03/08047, filed on Jun. 25, 2003.
Claims priority of application No. 2002-184972 (JP), filed on Jun. 25, 2002; and application No. 2002-251682 (JP), filed on Aug. 29, 2002.
Prior Publication US 2007/0195460 A1, Aug. 23, 2007
Int. Cl. G06F 7/04 (2006.01); G06F 17/30 (2006.01); G06K 9/00 (2006.01)

U.S. Cl. 726—30 [726/26; 725/117; 725/112; 725/153; 725/138]

14 Claims

1. A data transmission method comprising:

first transmitting to a server device multiple pieces of identification information read out of a recording medium that has recorded said multiple pieces of the identification information by a terminal device;

causing said server device to verify said multiple pieces of the transmitted identification information for authenticating them;

second transmitting, from the server device to the terminal device, data relating to a list of data available for transmission to said terminal, said data relating to the list corresponding to said multiple pieces of the identification information first transmitted to said server device, when said multiple pieces of the transmitted identification information are authenticated properly;

allowing a selection at said terminal device of items from the list, and after the selection, transmitting from said terminal device to said server device information corresponding to the items selected from the list; and

reading data corresponding to said multiple pieces of the transmitted identification information based on the selected items on the list, and transmitting the data to the terminal device.