Patent ID: 9106797
Filing Date: 2015-08-11
Classification: G06F,H04L,H04N

Abstract:
1. A content playback apparatus comprising: an acquisition unit operable to acquire usage permission information including a usable time period for which content is usable; a measurement unit operable to measure time; a malfunction detection unit operable to detect a malfunction of the measurement unit; a request unit operable to, when the malfunction detection unit detects the malfunction, issue a request to a permission server apparatus that permits usage of the content and is connected to the content playback apparatus via a network, and receive a response to the issued request from the permission server apparatus; a determination unit operable to, when the malfunction detection unit has not detected the malfunction, determine that playback of the content is possible when the time measured by the measurement unit is within the usable time period; a restriction unit operable to, when the malfunction detection unit detects the malfunction, place a restriction on the playback of the content until the request unit receives the response; and a playback unit operable to play back the content in accordance with a result of the determination made by the determination unit and the restriction placed by the restriction unit.