Recorder/reproducer, file accessing method, AV data managing method, and server

A playback device, AV data technology, applied in the direction of electrical digital data processing, digital data processing components, memory systems, etc., can solve problems such as movement restrictions, inability to use local resources, etc.

Active Publication Date: 2007-01-03
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Usually, since the application downloaded to the terminal may perform abnormal actions, the actions of the application are strictly limited, and the application cannot use native resources

Method used

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  • Recorder/reproducer, file accessing method, AV data managing method, and server
  • Recorder/reproducer, file accessing method, AV data managing method, and server
  • Recorder/reproducer, file accessing method, AV data managing method, and server

Examples

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Embodiment Construction

[0091] The best way to practice the invention

[0092] Embodiments of the recording and reproducing device and the file access method of the present invention will be described below. figure 1 It is a block diagram for explaining an example of the internal structure of a recording and reproducing apparatus according to an embodiment of the present invention. In the figure, 10 is a recording and reproducing apparatus. Interface 14 and user interface 15 constitute. The processing unit 11 decodes AV data or executes an application program using information obtained from each interface. The external device interface 12 can read data such as AV data and application programs from the external recording medium 16 and transfer them to the processing unit 11 .

[0093] Here, the external recording medium 16 refers to semiconductor memories such as CD-ROM, CD-R (-RW), DVD-ROM (-R / -RW / -RAM) and other ROM (or RAM) discs, memory cards, etc. Wait. The data recorded on the external reco...

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PUM

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Abstract

Recording and reproducing apparatus 10 has: external device I / F (12), is used for connecting the external recording medium (16) that has recorded the content that contains AV data or application program; the read content; and, a processing unit (11) for reproducing or executing the recorded content. The processing unit (11) adds different access restrictions to any content that can be reproduced or executed by the recording and playback device (10) according to the installation processing, loading processing, and content execution processing, and restricts the content according to the credibility of the content in the content execution processing. access.

Description

technical field [0001] The present invention relates to a recording and reproducing device, a file access method, an AV data management method, and a server device, and in particular, relates to a recording, reproducing, file access method, and use of AV data composed of image data or sound data. A method of managing AV data including management information. Background technique [0002] With the popularity of DVD players and DVD recorders, composite DVDs with built-in HDDs have begun to appear on the market. On the other hand, for example, with the popularization of the Java (registered trademark) language, etc., the execution environment of applications is also beginning to be popularized on terminal devices such as mobile phones. However, it is dangerous to allow access to any information where arbitrary applications can be executed. Therefore, in specific applications (for example, i-appli (registered trademark), etc.), only trusted applications are allowed to access v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/14G06F12/00G06F9/06G06F1/00G06F9/445G06F21/12G06F21/62
Inventor 大泉胜志木付英士木山次郎
Owner SHARP KK
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