Source: http://www.google.es/patents/US7599279?dq=flatulence
Timestamp: 2013-12-06 09:57:44
Document Index: 555044593

Matched Legal Cases: ['Application No. 04015555', 'Application No. 2004', 'Application No. 2005', 'Application No. 2005', 'Application No. 10', 'Application No. 10', 'Application No. 2005117716', 'Application No. 2004', 'Application No. 2004', 'Application No. 3757210']

Patente US7599279 - High-density optical disc, method for recording and reproducing encrypted ... - Google PatentesB�squeda Im�genes Maps Play YouTube Noticias Gmail Drive M�s » B�squeda avanzada de patentes | Iniciar sesi�n B�squeda avanzada de patentesPatentesA high-density optical disc, a method for encrypting data and recording the encrypted data thereon, and a method for reproducing the encrypted data recorded thereon. Data recorded on a high-density optical disc such as a Blu-ray disc-read only memory (BD-ROM) is recorded in a discontinuous recording...http://www.google.es/patents/US7599279?utm_source=gb-gplus-sharePatente US7599279 - High-density optical disc, method for recording and reproducing encrypted data thereon N�mero de publicaci�nUS7599279 B2Tipo de publicaci�nConcesi�n N�mero de solicitudUS 10/516,911 N�mero de PCTPCT/KR2003/001112 Fecha de publicaci�n6 Oct 2009 Fecha de presentaci�n5 Jun 2003 Fecha de prioridad5 Jun 2002TarifaPagadasTambi�n publicado comoCN1550009A, CN100359573C, EP1512143A1, EP1512143A4, EP1870892A2, EP1870892A3, US7542405, US20060101283, US20080095026, WO2003105140A1 N�mero de publicaci�n10516911, 516911, PCT/2003/1112, PCT/KR/2003/001112, PCT/KR/2003/01112, PCT/KR/3/001112, PCT/KR/3/01112, PCT/KR2003/001112, PCT/KR2003/01112, PCT/KR2003001112, PCT/KR200301112, PCT/KR3/001112, PCT/KR3/01112, PCT/KR3001112, PCT/KR301112, US 7599279 B2, US 7599279B2, US-B2-7599279, US7599279 B2, US7599279B2 InventoresJin Yong Kim, Sang Woon Suh Cesionario originalLg Electronics Inc.Citas de patentes (96), Otras citas (34), Citada por (1), Clasificaciones (31), Eventos legales (2) Enlaces externos: USPTO, Cesi�n de USPTO, EspacenetHigh-density optical disc, method for recording and reproducing encrypted data thereonUS 7599279 B2 Resumen A high-density optical disc, a method for encrypting data and recording the encrypted data thereon, and a method for reproducing the encrypted data recorded thereon. Data recorded on a high-density optical disc such as a Blu-ray disc-read only memory (BD-ROM) is recorded in a discontinuous recording format as on a high-density rewritable optical disc such as a Blu-ray disc rewritable (BD-RE). Data can be encrypted and recorded using synchronous data, address unit number (AUN) information or disc radius information recorded in the high-density optical disc. An optical disc apparatus such as a BD-ROM player can maintain reproduction compatibility with the high-density rewritable optical disc such as the BD-RE. A user holding an optical disc apparatus such as a BD-RE recorder, etc. can be prevented from unlawfully copying data recorded on the high-density optical disc and reproducing the copied data.
TECHNICAL FIELD The present invention relates to a high-density optical disc from which data can be reproduced, a method for encrypting data and recording the encrypted data thereon, and a method for reproducing the encrypted data recorded thereon.
BACKGROUND ART Recently, large-capacity digital versatile discs (DVDS) capable of permanently storing high-quality video and audio in comparison with compact discs (CDs) have been developed, commercialized and supplied. Types of the DVDs include a DVD-read only memory (DVD-ROM), a write once DVD recordable (DVD-R), a DVD-random access memory (DVD-RAM) or DVD rewritable (DVD-RW), etc.
The first and second synchronous data items are discriminated by different unique synchronous IDs. For example, the first synchronous data has a value of �000 100� as the synchronous ID. The second synchronous data has a value of �010 000� as the synchronous ID.
As shown in FIG. 3, the run-out area can include a post-amble area (PoA) and the second guard area (Guard_2). The post-amble area contains the third synchronous data (Sync_3). The third synchronous data includes 24-bit synchronous data and a 6-bit synchronous ID. The 6-bit synchronous ID of the third synchronous data is different from the 6-bit synchronous IDs of the first and second synchronous data. For example, the 6-bit synchronous ID of the third synchronous data has a value of �000 001�.
The LDC code and BIS are recorded on the basis of well-known Reed-Solomon code words for error correction. The AU is used for correctly searching for a position of recorded data. As shown in FIG. 5, the physical cluster area contains 16 AUs (AU 0�AU 15). An AU of 9 bytes includes address unit (AU) number information, flag bits, etc. The flag bits are reserved and set to �00 h�.
3. DISCLOSURE OF INVENTION Therefore, it is an object of the present invention to provide a high-density optical disc, a method for encrypting data and recording the encrypted data thereon, and a method for reproducing the encrypted data recorded thereon, which can maintain reproduction compatibility with a high-density rewritable optical disc such as a BD-RE on which data is recorded in a discontinuous recording format, can encrypt the data so that unauthorized or unlawful usage can be prevented, and can record and reproduce the encrypted data.
5. MODES FOR CARRYING OUT THE INVENTION A high-density optical disc, a method for encrypting data and recording the encrypted data thereon, and a method for reproducing the encrypted data recorded thereon in accordance with preferred embodiments of the present invention will be described in detail with reference to the annexed drawings.
For example, the first synchronous data (Sync_1) having a synchronous ID of �000 100� and the second synchronous data (Sync_2) having a synchronous ID of �010 000� are sequentially recorded in the preamble area of the BD-RE 100, while the third synchronous data (Sync_3) having a synchronous ID of �000 001� and the second synchronous data (Sync_2) having a synchronous ID of �010 000� are sequentially recorded in the preamble area of the BD-ROM 200.
Further, the third synchronous data (Sync_3) having a synchronous ID of �000 001� is recorded in the post-amble area contained in the run-out area of the BD-RE 100, while the first synchronous data (Sync_1) having a synchronous ID of �000 100� is recorded in the post-amble area contained in the run-out area of the BD-ROM 200 as shown in FIG. 8.
For example, the AUNs recorded on the BD-RE 100 have values of �k�(k+n)�, while the AUNs recorded on the BD-ROM 200 have values of �(k+m)�((k+n)+m)�.
That is, the AUNs on the BD-ROM 200 can be recorded to have other values after shifting the values �k�(k+n)� of the AUNs on the BD-RE 100 by a predetermined value of �m�. Further, the AUNs on the BD-ROM 200 can be recorded to have other values of �s�(s+n)� different from the values �k�(k+n)� of the AUNs on the BD-RE 100. As a result, the AUNs recorded in the physical cluster area of the BD-ROM 200 are different from the AUNs recorded in the physical cluster area of the BD-RE 100.
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Citada por Patente citante Fecha de presentaci�n Fecha de publicaci�n Solicitante T�tuloUS7975208 *21 Dic 20065 Jul 2011Mediatek Inc.Method and apparatus for high speed optical recording* Citada por examinadorClasificaciones Clasificaci�n de EE.UU.369/275.3, 369/275.1, 369/59.19, 369/47.48 Clasificaci�n internacionalG11B20/00, G11B7/007, G11B7/24, G11B20/12, G11B5/09, G11B20/10 Clasificaci�n cooperativaG11B2220/213, G11B20/00326, G11B20/0021, G11B2220/216, G11B20/1217, G11B2020/1277, G11B2020/1287, G11B2020/1221, G11B2220/2537, G11B20/00086, G11B2220/2541, G11B2220/215, G11B27/3027, G11B2020/1268, G11B20/00579 Clasificaci�n europeaG11B20/00P6A, G11B20/00P5, G11B27/30C, G11B20/00P5A6E, G11B20/12D, G11B20/00PEventos legales FechaC�digoEventoDescripci�n15 Mar 2013FPAYFee paymentYear of fee payment: 422 Ago 2005ASAssignmentOwner name: LG ELECTRONICS INC., KOREA, REPUBLIC OFFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KIM, JIN YONG;SUH, SANG WOON;REEL/FRAME:016655/0566;SIGNING DATES FROM 20041220 TO 20041221GirarImagen originalP�gina principal de Google - Sitemap - Descargas masivas de USPTO - Pol�tica de privacidad - Condiciones de servicio - Acerca de Google Patentes - Danos tu opini�nDatos proporcionados por IFI CLAIMS Patent Services©2012 Google