REPRODUCTION MANAGEMENT SYSTEM, REPRODUCTION MANAGEMENT METHOD, REPRODUCTION DEVICE, AND MANAGEMENT DEVICE

Japanese Patent JP2010041273

A

To prevent advertising effectiveness from being lost even after a time passes since content is publicized when an advertisement is made to be viewed along with the content including images and sound.

A reproduction device 2 for reproducing content data and a management server 5 are connected so that they may be mutually communicable. The reproduction device 2 reads content data 7 from an optical disk recording medium 10 or a content storage part 30, requests the management server 5 of a decode key 62 for canceling restriction about reproduction of the content data 7, and when the advertisement data 66 are transmitted together with the decode key 62 from the management server 5 in response to the request, reproduces the content data 7 by using the decode key 62 after the transmitted advertisement data 66 are reproduced.

KITAJIMA HIROTAKE
KITO NOBUYUKI

JP2008200458A

February 18, 2010

August 04, 2008

Click for automatic bibliography generation  

SEIKO EPSON CORP

H04L9/08; G06F13/00; G06F21/10; G06F21/62; G06Q30/02; G06Q30/06; G06Q50/00; H04N5/765; H04N5/91; H04N5/92; H04N5/93; H04N7/173; H04N21/2347; H04N21/235; H04N21/266; H04N21/41; H04N21/426; H04N21/433; H04N21/435; H04N21/4405; H04N21/81

Masahiko Ueyanagi
Osamu Suzawa
Kazuhiko Miyasaka

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