CONTENT PROVIDING SERVER, EXTERNAL-INFORMATION PROVIDING SERVER, COOPERATION SERVER, RECEIVING TERMINAL, CONTENT PROVIDING PROGRAM, EXTERNAL-INFORMATION PROVIDING PROGRAM, AUTHENTICATION COOPERATION PROGRAM, CONTENT COMPOSITE DISPLAY PROGRAM, AND DATA BROADCAST SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a technology for simultaneously displaying high-confidentiality information possessed by external organizations on a receiving terminal while continuing the viewing of a broadcast program in a data broadcast service.

SOLUTION: In a data broadcast system 1, a content providing server 10 obtains attribute information of external information from an external-information providing server 20 via a cooperation server 30 in response to a content transmission request from a user so as to provide a content to a receiving terminal 40 after shaping the content into a display format suitable for the external information. Also, in the data broadcast system 1, the external-information providing server 20 directly provides high-confidentiality external information to the receiving terminal 40 in response to an external-information request from a user. Further, in the data broadcast system 1, the receiving terminal 40 receives the content, whose display format is shaped, from the content providing server 10, receives the external information from the external-information providing server 20, and embeds the external information into the content so as to display the content with the embedded external information on a display screen.

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