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Information recording equipment and method, information reproducing equipment and method, information recording medium and program information recording medium

A technology of information recording and equipment, which is applied to the recording of information on disk, magnetic recording, information storage, etc., can solve the problem that unauthorized copying cannot be effectively prohibited, and achieve the effect of preventing illegal copying

Inactive Publication Date: 2006-08-02
PIONEER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As such, unauthorized copying cannot be effectively prohibited

Method used

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  • Information recording equipment and method, information reproducing equipment and method, information recording medium and program information recording medium
  • Information recording equipment and method, information reproducing equipment and method, information recording medium and program information recording medium
  • Information recording equipment and method, information reproducing equipment and method, information recording medium and program information recording medium

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Experimental program
Comparison scheme
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Embodiment Construction

[0119] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0120] It should be noted here that each of the embodiments described hereinafter is an application of the present invention to a system for preventing illegal copying including a recording device for manufacturing DVDs used in mass production of DVDs. Die plate. A DVD is a type of optical disk that can store information seven times larger than a normal CD (compact disc). This recording device, in other words, is the device used to create read-only DVDs. The illegal copy prevention system also includes an information recording device for recording information on a recordable DVD and an information reproducing device for reproducing information from the DVD.

[0121] (1) First embodiment of illegal copy prevention system

[0122] The first embodiment of the illegal copy preventing system according to the present invention will refer to...

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PUM

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Abstract

There is provided an information recording apparatus (C1, C2, R1, R2) and so on capable of preventing illegally copied recording information (Sd) from being reproduced even if recording information (Sd) is illegally copied from an information recording medium (100) to another information recording medium (SP, 100) without being decoded. The cutting apparatus (C1) comprises a substitute information generator (17) for generating substitute information (Scg) by using identification information (Sid) unique to each DVD in which the recording information (Sd) is to be recorded, a substitute information writer (3) for generating substituted data signal (Sdr) by substituting the substitute information (Scg) for part of the recording information (Sd), and a light modulator (6) for recording the generated substituted data signal (Sdr) in a DVD which corresponds to the identification information (Sid) used for the generation of the substitute information (Scg).

Description

technical field [0001] The present invention relates to a technical field including an information recording device, a method of recording information, an information reproducing device, a method of reproducing information, and an information recording medium. In particular, the present invention relates to a technical field including apparatuses and methods for recording such information such as image information on an information recording medium such as an optical Information recorded by an information recording device, a method for reproducing recorded information from an information recording medium, and program information recorded on a medium containing a control program for recording information or reproducing information in a form readable by a computer . Background technique [0002] In general, video information, such as movies, and audio information, such as musical episodes, are often protected by copyright. In this case, as a principle, unauthorized copying o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/14H04L9/28G11B7/00G11B20/10G06F21/00G11B7/26G11B19/12G11B20/00G11B23/28
CPCG11B20/00094G06F21/10G11B7/261G11B19/122G11B20/00086G11B20/00173G11B20/0021G11B23/28G11B20/00115G11B20/00217G11B20/00166G11B2220/2537
Inventor 吉田和幸守山义明黑田和男铃木敏雄
Owner PIONEER CORP