Encryption key distribution method in mobile broadcasting system and system for the same
US-9191204-B2 · Nov 17, 2015 · US
Content reproducing device and content reproducing method
US9106797B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9106797-B2 |
| Application number | US-201213425605-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 21, 2012 |
| Priority date | Aug 20, 2004 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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- Title
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Abstract
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When a secure counter malfunction detection unit 212 deters a malfunction in a secure counter 211 , a content playability judgment unit 206 performs a content playability judgment based on information managed by a malfunctioning-state playback processing management unit 214 . The malfunctioning-state playback processing management unit 214 stores a malfunctioning-state playback condition composed of information such as a playback count and a playback time. The content playability judgment unit 206 judges that content is playable when the malfunctioning-state playback condition is met, and a content playback unit 210 splays the content.
First claim
Opening claim text (preview).
The invention claimed is: 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 permi…
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- H04N7/1675Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US9106797B2 cover?
- When a secure counter malfunction detection unit 212 deters a malfunction in a secure counter 211 , a content playability judgment unit 206 performs a content playability judgment based on information managed by a malfunctioning-state playback processing management unit 214 . The malfunctioning-state playback processing management unit 214 stores a malfunctioning-state playback conditio…
- Who is the assignee on this patent?
- Okamoto Ryuichi, Nakahara Tohru, Miura Kouji, and 4 more
- What technology area does this patent fall under?
- Primary CPC classification H04N7/1675. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).