Source: http://www.google.com/patents/US7123564?ie=ISO-8859-1&dq=6011510
Timestamp: 2015-03-04 05:21:25
Document Index: 460277381

Matched Legal Cases: ['Application No. 11', 'Application No. 11', 'Application No. 2000', 'Application No. 2000', 'Application No. 2000', 'Application No. 2000', 'Application No. 2001', 'Application No. 2001']

Patent US7123564 - Recording medium for storing write protection information and write ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsAn apparatus for writing and/or reading write protection data using a recording medium storing write protection information, and a write protection method and apparatus for protecting data recorded on a recordable and/or rewritable disc from unwanted overwriting or erasing. In order for write protection...http://www.google.com/patents/US7123564?utm_source=gb-gplus-sharePatent US7123564 - Recording medium for storing write protection information and write protection method thereofAdvanced Patent SearchPublication numberUS7123564 B2Publication typeGrantApplication numberUS 10/819,265Publication dateOct 17, 2006Filing dateApr 7, 2004Priority dateJun 15, 1998Fee statusPaidAlso published asUS6741535, US6744713, US6765853, US7362678, US7697389, US8139458, US20020176341, US20040190411, US20040228238, US20050111325, US20060077843Publication number10819265, 819265, US 7123564 B2, US 7123564B2, US-B2-7123564, US7123564 B2, US7123564B2InventorsJung-Wan Ko, Kyung-geun LeeOriginal AssigneeSamsung Electronics Co., Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (100), Non-Patent Citations (19), Classifications (44), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetRecording medium for storing write protection information and write protection method thereof
US 7123564 B2Abstract
1. An apparatus for writing to and/or reading from a recordable and/or reproducible recording medium including a Lead-in area, a Lead-out area and a user area protected from unwanted overwriting or erasing based upon write protection information, comprising:
a controller checking the write protection information stored on the recording medium, the write protection information being stored in an RMD (Recording Management Data) field of a RMA (Recording Management Area) area to protect the data recorded on the recording medium from unwanted overwriting or erasing, with multiple write protection information being stored in the RMD field; and
a pickup prohibiting recording of data on the recording medium according to the write protection information.
the controller further determines whether the write protection information is soft write protection information; and
the pickup prohibits writing of data on the entire recording medium except for a designated part of the recording medium if the write protection information is the soft write protection information, and otherwise prohibits the writing of the data on the entire recording medium.
3. The apparatus of claim 1, wherein the controller further checks a write protection state set in the recording medium using the write protection information, and updates the write protection information stored in the recording medium to according to the write protection information set by a user.
4. The apparatus of claim 1, wherein the RMA comprises a plurality of RMDs, and each of the RMDs includes the RMD field with the write protection information such that multiple write protection information are stored in the RMA.
This application is a continuation of U.S. Ser. No. 09/610,381, filed Jul. 5, 2000, now U.S. Pat. No. 6,765,853, which is a continuation-in-part of U.S. Ser. No. 09/333,520, filed Jun. 15, 1999, now U.S. Pat. No. 6,724,705. This application claims the benefit of Korean Application Nos. 98-22390, filed Jun. 15, 1998; 98-23917, filed Jun. 24, 1998; 98-39727, filed Sep. 24, 1998; 98-54190, filed Dec. 10, 1998; and 99-4679, filed Feb. 10, 1999, in the Korean Patent Office, the disclosure of which is incorporated herein by reference.
11b: Disc is write protected Entire disc shall not be written to. These bits shall not be modified to other values
10b: Group is write protected. User data shall not be written to this block Others: Reserved
The states of the bits b4 and b3 of the disc certification flag, and those of the bit b4 b3 of the group certification flag are shown in Table 1.
disc certi-
group certi-
fication flag
1 byte 1 to 32767
00b: Indicates that disc is empty 01b: Indicates that disc is in Disc-at-once recording mode 02b: Indicates that disc is in incremental recording mode 03b: Indicates that disc is finalized where incremental recording is used Others: Reserved
00b: Indicates that disc is not write protected 01b: Indicates that disc is write protected (hard) 02b: Indicates that disc is write protected (soft) Entire disc shall not be written to except for PCA, etc.
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No. 10/779,767, filed Feb. 18, 2004, Jung-Wan Ko et al., Samsung Electronics Co., Ltd.Classifications U.S. Classification369/53.21, G9B/20.009, G9B/20.059, G9B/20.027International ClassificationG11B15/04, G11B20/18, G11B20/12, G11B20/10Cooperative ClassificationG11B2020/1229, G11B20/00376, G11B2020/1278, G11B2220/218, G11B2220/2537, G11B2020/1285, G11B19/122, G11B2220/215, G11B2020/1277, G11B20/00086, G11B20/00702, G11B20/00311, G11B2220/216, G11B2220/2566, G11B27/329, G11B20/1883, G11B2220/2562, G11B20/10, G11B2020/1275, G11B2220/20, G11B20/00094, G11B7/00736, G11B20/1217, G11B20/00304European ClassificationG11B20/00P5A6D2, G11B7/007R, G11B20/00P5A6D1, G11B19/12C, G11B20/00P9C, G11B20/00P5A6L, G11B20/00P1, G11B20/18S, G11B20/00P, G11B27/32D2, G11B20/12D, G11B20/10Legal EventsDateCodeEventDescriptionMar 27, 2014FPAYFee paymentYear of fee payment: 8Apr 8, 2010FPAYFee paymentYear of fee payment: 4Jan 2, 2007CCCertificate of correctionRotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services