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Recording medium, license management apparatus, and recording and playback apparatus
US10089620B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10089620-B2 |
| Application number | US-4854602-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 30, 2001 |
| Priority date | Jun 2, 2000 |
| Publication date | Oct 2, 2018 |
| Grant date | Oct 2, 2018 |
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- Title
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Abstract
Official abstract text for this publication.
An audio object (AOB) for which corresponding rights management information (RMI) has been generated by a license management apparatus, and an AOB for which RMI does not exist are written into a recording medium for use in an SDMI system which includes the license management apparatus. Each AOB is put in correspondence with a migration permission flag (MPF). When the corresponding AOB is the AOB for which RMI does not exist, the relevant MPF is set to on so as to show that a migration procedure is permitted. When the corresponding AOB is the AOB for which RMI has been generated by the license management apparatus, the relevant MPF is set to off so as to show that a migration procedure is not permitted.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of using a system to perform a migration of an audio object to generate right management information for the audio object, wherein the system includes: a memory card including an authentication circuit, a protected area accessible only when the authentication circuit determines that an apparatus to which the memory card is connected is legitimate, and a non-protected area accessible regardless of whether or not the authentication circuit dete…
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Classifications
- G06F21/105Primary
Physics · mapped topic
Physics · mapped topic
- G06Q20/3674Primary
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US10089620B2 cover?
- An audio object (AOB) for which corresponding rights management information (RMI) has been generated by a license management apparatus, and an AOB for which RMI does not exist are written into a recording medium for use in an SDMI system which includes the license management apparatus. Each AOB is put in correspondence with a migration permission flag (MPF). When the corresponding AOB is the AO…
- Who is the assignee on this patent?
- Matsushima Hideki, Harada Shunji, Uesaka Yasushi, and 4 more
- What technology area does this patent fall under?
- Primary CPC classification G06F21/105. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Oct 02 2018 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).