KR20010077044A - 기록매체를 재생하는 방법 및 장치와 기록매체 재생권한부여방법 - Google Patents
기록매체를 재생하는 방법 및 장치와 기록매체 재생권한부여방법 Download PDFInfo
- Publication number
- KR20010077044A KR20010077044A KR1020000004575A KR20000004575A KR20010077044A KR 20010077044 A KR20010077044 A KR 20010077044A KR 1020000004575 A KR1020000004575 A KR 1020000004575A KR 20000004575 A KR20000004575 A KR 20000004575A KR 20010077044 A KR20010077044 A KR 20010077044A
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- South Korea
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- recording medium
- reproducing
- information
- reproduction
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
- G11B20/00195—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier using a device identifier associated with the player or recorder, e.g. serial numbers of playback apparatuses or MAC addresses
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
- G11B20/00797—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of times a content can be reproduced, e.g. using playback counters
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/60—Solid state media
- G11B2220/61—Solid state media wherein solid state memory is used for storing A/V content
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
Abstract
Description
Claims (8)
- 저작물을 담고 있으며, 특정위치에 재생허용을 판단 할 수 있는 수단이 부착된 기록매체를 재생하는 재생방법에 있어서,상기 수단에 기록매체의 재생허용을 요청하는 정보를 전송하는 과정과,상기 수단으로부터 기록매체의 재생이 허용되는 경우에는 기록매체의 재생에 필요한 정보를 수신하는 과정과,상기 수신된 정보를 이용하여 기록매체의 재생을 시작하는 과정으로 이루어진 것임을 특징으로 하는 기록매체 재생방법
- 저작물을 담고 있으며, 특정위치에 재생허용을 판단 할 수 있는 수단이 부착된 기록매체를 재생하는 재생장치에 있어서,재생허용을 요청하는 정보를 상기 기록매체에 부착된 수단에 전송하고, 상기 기록매체에 부착된 수단으로부터 기록물의 재생을 허용하는 정보를 수신하는 재생가능 판단부와,상기 재생가능 판단부의 재생가능 판단결과에 의해 기록매체에 부착된 수단으로부터 상기 전송된 재생허용 정보를 이용하여 기록매체에 기록된 저작물을 재생하는 재생부를 구비함을 특징으로 하는 기록매체 재생장치
- 기록물에 대한 재생권한을 가진 자가 이러한 기록물를 이용하고자 하는 자에게 권한을 부여하는 방법에 있어서,상기 권한부여자와 이용자는 상호 접속가능한 네트워크에 의해 연결되어 있고, 상기 이용자가 자신의 시스템에서 재생하고자 하는 기록물의 재생허용을 요청하면 권한부여자는 재생허용을 인정시 자신의 시스템에서 기록물의 재생가능 정보를 네트워크을 통해 이용자의 시스템에 제공하는 것을 특징으로 하는 권한부여 방법.
- 제3항에 있어서, 제공되는 재생가능 정보는 기록물의 암호화를 풀 수 있는 정보를 포함한 것을 특징으로 하는 권한부여 방법
- 제3항에 있어서, 제공되는 재생가능 정보는 재생가능 횟수를 포함한 것을 특징으로 하는 권한부여 방법
- 제3항에 있어서, 이용자는 권한부여자가 기부여한 해당 기록물를 재생할 수 있는 수단을 자신의 시스템 일측에 장착하여 권한부여자로부터 업그레이드된 재생가능 정보를 제공받아 이를 상기 수단에 기록하는 것을 특징으로 하는 권한부여 방법.
- 제3항에 있어서, 이용자는 해당 기록물를 재생할 수 있는 수단을 자신의 시스템 일측에 장착하여 권한부여자로부터 재생가능 정보를 제공받아 이를 상기 수단에 기록시키는 것을 특징으로 하는 권한부여 방법.
- 제3항에 있어서, 권한부여자는 재생가능 정보를 전송시 이용자가 재생하고자 하는 기록물을 함께 전송하는 것을 특징으로 하는 권한부여 방법
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000004575A KR100762559B1 (ko) | 2000-01-31 | 2000-01-31 | 기록매체를 재생하는 방법 및 장치와 기록매체 재생권한부여방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000004575A KR100762559B1 (ko) | 2000-01-31 | 2000-01-31 | 기록매체를 재생하는 방법 및 장치와 기록매체 재생권한부여방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010077044A true KR20010077044A (ko) | 2001-08-17 |
| KR100762559B1 KR100762559B1 (ko) | 2007-10-01 |
Family
ID=19642934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000004575A Expired - Fee Related KR100762559B1 (ko) | 2000-01-31 | 2000-01-31 | 기록매체를 재생하는 방법 및 장치와 기록매체 재생권한부여방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100762559B1 (ko) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW241360B (ko) * | 1993-07-29 | 1995-02-21 | Nippon Pickter Kk | |
| DE69620919T2 (de) * | 1995-10-09 | 2002-11-07 | Matsushita Electric Industrial Co., Ltd. | Optisches Aufzeichnungsgerät und Aufzeichnungsverfahren mit Verschlüsselung |
| DE69614580T2 (de) * | 1995-10-09 | 2002-04-11 | Matsushita Electric Industrial Co., Ltd. | Wiedergabegerät für optische Platten |
| KR100241162B1 (ko) * | 1997-02-06 | 2000-02-01 | 장용균 | 광디스크의 픽셀을 이용한 그래픽 표식방법 |
| JPH11328851A (ja) * | 1998-05-19 | 1999-11-30 | Sony Corp | 端末装置及び再生方法 |
| KR100365916B1 (ko) * | 2000-01-24 | 2002-12-26 | 엘지전자 주식회사 | 데이터 암호화 장치 및 방법 |
-
2000
- 2000-01-31 KR KR1020000004575A patent/KR100762559B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100762559B1 (ko) | 2007-10-01 |
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