TW200540834A - Recording medium, read/write method thereof and read/write apparatus thereof - Google Patents

Recording medium, read/write method thereof and read/write apparatus thereof Download PDF

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Publication number
TW200540834A
TW200540834A TW094115646A TW94115646A TW200540834A TW 200540834 A TW200540834 A TW 200540834A TW 094115646 A TW094115646 A TW 094115646A TW 94115646 A TW94115646 A TW 94115646A TW 200540834 A TW200540834 A TW 200540834A
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Taiwan
Prior art keywords
information
read
write
recording medium
version
Prior art date
Application number
TW094115646A
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Chinese (zh)
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TWI374438B (en
Inventor
Jin-Yong Kim
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Lg Electronics Inc
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Publication of TWI374438B publication Critical patent/TWI374438B/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/122—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of an identification or authentication mark
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1278—Physical format specifications of the record carrier, e.g. compliance with a specific standard, recording density, number of layers, start of data zone or lead-out
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Head (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)

Abstract

A recording medium read/write method and apparatus are disclosed. The present invention records version information of a corresponding recording medium as read/write control information within the recording medium. The version information includes write compatibility version information and read compatibility version information. The read/write apparatus efficiently performs the read/write of the recording medium with reference to the version informations recorded within the recording medium.

Description

200540834 玖、發明說明： 本申請案要求2004年5月13日申請之韓國 案第 1〇-20〇4-0034〇22 號及 2005 年 5 月 1 0-2005-0039933號之優先權，其等係在此以引 數併入本文。 【發明所屬之技術領域】 本發明關於一種紀錄媒體及其之控制資訊紀 且關於一種紀錄有關一對應紀錄媒體之版本的^ 資訊成為控制資訊之方法，及一種使用已紀錄控 紀錄媒體讀/寫方法與設備。 【先前技術】 大體上’可紀錄大容量資料於其上之光碟已 作光學紀錄媒體。現今，已嘗試了許多努力以開 型高密度光學紀錄媒體（HD-DVD)，在該媒體上高 頻資料及高品質之音頻資料可被紀錄及儲存，諸士 碟片（以下簡稱BD)及其類似者。 作為一種下一代HD-DVD技術之Blu-ray碟 下一代光學紀錄解決方案，其能夠儲存資料遠 DVD的儲存能力。而且，用於bd之全球標準技 建立中。 各類有關Blu-ray碟片之標準建議業經提出 之，用於繼lx可重寫Blu-ray碟片、寫一次Blu 專利申請 13曰第 用方式全 錄方法， I /寫控制 制資訊之 被廣泛用 發一種新 晝質之視 0 Blu-ray 片（BD)係 超過習知 藝規格正 。明確言 •ray碟片 5 200540834 (BD-R)、及唯讀Blu-ray碟片（BD-ROM)後之2x(或更高速） 可重寫Blu-ray碟片（BD-RE)之各種規格業已製備。 儘管是相同系列之Blu-ray碟片，用於Biu-ray碟片之 特定内容的版本繼續更新以追隨科技的開發。例如，1 χ可 寫Blu-ray碟片（BD-RE)之碟片規格持續延伸，如同2χ(或 更高速）可重寫Blu-ray碟片（BD-RE)—般。因此，需要管 理該延伸規格内容成為碟片版本資訊。 然而’在重製較南版本之碟片記錄時，即使不可能讀/ 寫或即使在施行讀/寫時發生錯誤，經設計依據碟片版本之 延伸適用於較低版本之讀/寫設備，會繼續再嘗試該讀/寫 之執行而引起系統錯誤。 【發明内容】 因此，本發明係指提供一紀錄媒體及其之控制資訊紀 錄方法，其實質上排除一或多個由於先前技術產生之限制 及缺點。200540834 发明 Description of the Invention: This application claims the priority of Korean Application Nos. 10-20-04-0034〇22 and May 10-2005-0039933 filed on May 13, 2004, etc. This is incorporated herein by argument. [Technical field to which the invention belongs] The present invention relates to a recording medium and its control information, and a method of recording control information about a version of a corresponding recording medium, and a method for reading / writing using the recorded control recording medium. Methods and equipment. [Prior art] Generally, an optical disc on which large-capacity data can be recorded has been used as an optical recording medium. At present, many attempts have been made to open high-density optical recording media (HD-DVD), on which high-frequency data and high-quality audio data can be recorded and stored. The discs (hereinafter referred to as BD) and It's similar. As a next-generation HD-DVD technology, the Blu-ray disc is a next-generation optical recording solution that can store data far beyond the DVD storage capacity. Moreover, the global standard technology for bd is being established. Various standard recommendations on Blu-ray discs have been proposed for following the lx rewritable Blu-ray discs, writing once in the Blu-ray application, the 13th method of full recording, and the I / Write control system information It is widely used to issue a new daytime vision 0 Blu-ray film (BD) which is beyond the conventional art specifications. To be clear • ray disc 5 200540834 (BD-R), and 2x (or higher speed) after read-only Blu-ray disc (BD-ROM) Various types of rewritable Blu-ray disc (BD-RE) Specifications have been prepared. Despite being Blu-ray discs of the same series, versions of specific content for Biu-ray discs continue to be updated to follow technological developments. For example, the 1 x writable Blu-ray disc (BD-RE) disc specification continues to expand, just like the 2 x (or higher speed) rewritable Blu-ray disc (BD-RE). Therefore, it is necessary to manage the contents of the extended specifications as disc version information. However, when rewriting the record of the southern version of the disc, even if it is impossible to read / write or even if an error occurs during the execution of the read / write, it is designed to be applicable to the lower version of the read / write device based on the extension of the disc version. Will continue to try the read / write execution and cause a system error. [Summary of the Invention] Therefore, the present invention refers to providing a recording medium and a control information recording method thereof, which substantially exclude one or more limitations and disadvantages due to the prior art.

本發明之一目的係提供一種紀錄有關紀錄媒趙版本的 讀/寫控制資訊成為一紀錄媒體管理區域中之特定資訊的 方法。 本發明另一目的係提供一種在施行紀錄媒體之讀/寫 時使用控制資訊之方法及設備。 本發明之額外優勢、目的及特點將部分在以下說明中 提出，且部分將使檢視下文之該等熟習此項技術人士明 暸，或可自本發明之實現中得知。太 6It is an object of the present invention to provide a method for recording read / write control information on a Zhao version of a recording medium to become specific information in a recording medium management area. Another object of the present invention is to provide a method and equipment for using control information when performing reading / writing of a recording medium. Additional advantages, objects, and features of the present invention will be set forth in part in the following description, and part of them will be apparent to those skilled in the art who review the following, or may be learned from the implementation of the present invention. Too 6

200540834 勢可藉由在書面說明書與其之申請專利範圍及附圖中 指出的結構而瞭解且獲得。 為達成此等目的及其他優勢且依據本發明之目纟 本文中所包含及廣泛描述者），一紀錄媒體，其包括一 讀/寫控制資訊紀錄於其内之管理區域，其中該控制資 包括對應紀錄媒體之版本資訊，且其中該版本資訊可 寫入相容性版本資訊及讀取相容性版本資訊。 在本發明另一特點中，一紀錄媒體之讀/寫方法包 第一步驟，其自該紀錄媒體讀出一第一相容性版本資 一第二相容性版本資訊；及一第二步驟，其自讀出版 訊決定是否該對應紀錄媒體之寫及/或讀係相容，且如 對應紀錄媒體之讀及/或寫係相容，則施行該讀及/或 其中該第一相容性版本資訊比該第二相容性版本更優 定〇 在本發明另一特點中，一紀錄媒體的讀/寫方法包 步驟為：自該紀錄媒體讀出一第一相容性版本資訊及 二相容性版本資訊；從讀出之第一版本資訊相容性決 該對應紀錄媒體之可存取性的可能性；依據可存取性 能性之已決定結果，決定是否存取該紀錄媒體；且如 該第一相容性版本資訊決定該紀錄媒體係可存取，則 二相容性版本資訊決定資料是否可寫於該對應紀錄 上’且依據該對應決定之結果決定是否寫該資料，其 第二相容性版本資訊可具有一在該第一相容性版本資 一特定值中之變數值。 特別 勺（如 具有 訊可 包括 括一 訊及 本資 果該 寫， 先決 括的 一第 定對 的可 果從 自第 媒體 中該 訊之 7 200540834 在本發明另一特點中，一紀錄媒體的讀/寫方法包括之 步驟為：自該紀錄媒體讀出包括寫入相容性版本資訊之浐/ 寫控制資訊；從該讀出寫入相容性版本資訊決定該對廉紀 錄媒體之寫入相容性的可能性；如果該寫入相容性係在严 接（bridge)相容狀態，則從該讀出控制資訊中之寫入策略資 訊決定在特定速度寫入是否可能；且只有在該決定之結果 係該紀錄媒體對於該特定速度係寫入相容時，才以該特定 速度施行該寫入。 在本發明另一特點中，一紀錄媒體讀/寫設備包括一控 制單元，其自一紀錄媒體讀出一第一相容性版本資訊及一 第二相谷性版本資訊，該控制單元自該讀出版本資訊決定 該對應紀錄媒體之寫入相容性及讀出相容性的可能性，該 控制單元基於該決定之結果傳送讀及/或寫命令；及一讀/ 寫單元，其依據來自控制單元之讀及/或寫命令施行讀及/ 或寫，其中該第一相容性版本資訊係比該第二相容性版本 先決定。 在本發明一進一步特點中，一紀錄媒體包括一具有讀/ 寫控制資訊紀錄於其上之管理區域，其中該控制資訊可包 括該對應紀錄媒體之版本資訊，其中該版本資訊可包括一 用於決疋資料之寫及/或讀相容性的第一相容性版本資 訊，及一第二相容性版本資訊，且其中只要維持該第一相 容性版本資訊’該第二相容性版本資訊係可改變。 應瞭解到本發明的先前一般性描述及以下詳細說明係 範例性及解釋用，且係旨於提供如申請專利範圍中有關本 8 200540834 發明之進一步解釋。 【實施方式】 現將詳細參照本發明較佳具體實施例，其實例係顯示 在附圖中。將盡可能在全部附圖中使用相同的參考數字以 指相同或類似部分。200540834 is known and can be obtained from the structure indicated in the written description and its scope of patent application, as well as in the drawings. In order to achieve these objectives and other advantages and in accordance with the purpose of the present invention (which are included and described extensively herein), a recording medium includes a management area in which read / write control information is recorded, wherein the control asset includes Corresponds to the version information of the recording medium, and the version information can be written into the compatible version information and read the compatible version information. In another feature of the present invention, a reading / writing method of a recording medium includes a first step, which reads a first compatible version information and a second compatible version information from the recording medium; and a second step , It reads the newsletter to determine whether the writing and / or reading system of the corresponding recording medium is compatible, and if the reading and / or writing system of the corresponding recording medium is compatible, the reading and / or the first compatibility is performed. The version information is better determined than the second compatible version. In another feature of the present invention, the read / write method of a recording medium includes the steps of reading a first compatible version information from the recording medium and Two compatible version information; the compatibility of the read first version information determines the accessibility of the corresponding recording medium; based on the determined result of accessibility, whether to access the recording medium is determined And if the first compatible version information determines that the recording medium is accessible, the second compatible version information determines whether the data can be written on the corresponding record 'and decides whether to write the data based on the result of the corresponding decision , Its second compatibility version It may have a variable value of the first compatibility version of the resource in a particular value in a. Special spoons (if there is a newsletter, you can include a newsletter and this information should be written, a pre-determined pair can be obtained from the newsletter 7 200540834. In another feature of the invention, a record media The read / write method includes the steps of: reading from the recording medium the write / compatible control information including the write-compatible version information; and writing the read-compatible version information from the read to determine the writing to the low-cost record medium The possibility of compatibility; if the write compatibility is in a bridge-compatible state, the writing strategy information in the read control information determines whether writing at a specific speed is possible; and only if The result of the decision is that the writing is performed at the specific speed only when the recording medium is compatible with the writing at the specific speed. In another feature of the invention, a recording medium reading / writing device includes a control unit, which Read out a first compatible version information and a second phase valley version information from a recording medium, and the control unit determines the write compatibility and read compatibility of the corresponding recording medium from the read version information. Possible The control unit transmits a read and / or write command based on the result of the decision; and a read / write unit that performs read and / or write based on the read and / or write command from the control unit, wherein the first compatibility The version information is determined before the second compatible version. In a further feature of the present invention, a recording medium includes a management area having read / write control information recorded thereon, wherein the control information may include the corresponding record Version information of the media, where the version information may include a first compatible version information for determining write and / or read compatibility of the data, and a second compatible version information, and as long as the The first compatibility version information 'This second compatibility version information is changeable. It should be understood that the previous general description of the present invention and the following detailed description are exemplary and explanatory, and are intended to provide the scope of patent application. For further explanation of the invention of this 8 200540834. [Embodiments] Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are shown in the accompanying drawings. Using the same reference numerals to refer to the same or like parts.

此外’雖然本發明中使用的術語係可能從目前為人熟 知的術”。中選出，但一些術語在某些案例中係由本申請人 隨意選定’因此其等之意義係在以下說明書中詳細解說。 所以應以本申請人選定之對應術語的含意理解本發明，不 只藉由該等術語本身之簡單名稱或意義。 在本發明中之「紀錄媒體」包括所有類型之資料可紀 錄媒體’諸如光碟、磁帶及其類似者，與其紀錄機制無關。 為便於說明本發明，Blu-ray碟片（BD)係被採用為光碟之範 例性實例。但應瞭解本發明之技術性概念係可以相同方式 應用至其他紀錄媒體。 「控制資訊」指各種類型之資訊，其係用於Blu-ray 碟片之碟片讀/寫，且相當於（例如）寫入Blu-ray碟片（BD) 之特定區域中的「碟片資訊」，或寫入DVD-RAM/-RW/ + RW 中之「實體格式資訊」。首先，為求便利，以下解釋對應於 Blu-ray碟片（BD)之「碟片資訊（以下簡稱di)」的案例。 但應暸解本發明之概念係可應用於以相同方式用於相同概 念之其他不同格式的碟片（如DVD系列）。 本發明關於一種紀錄有關碟片版本資訊之讀/寫控制 9 200540834 資訊的方法。碟片版本資訊會先解釋，且一種在Blu-ray 碟片中將碟片版本資訊寫成「碟片資訊（DI)」用於控制資 訊之方法，將詳細解說於後。In addition, although the terminology used in the present invention may be selected from the currently well-known arts. ", Some terms are optionally selected by the applicant in some cases, so their meanings are explained in detail in the following description. Therefore, the present invention should be understood in the meaning of the corresponding terms selected by the applicant, not only by the simple names or meanings of the terms themselves. "Recording media" in the present invention includes all types of data recordable media such as optical discs , Tapes, and the like have nothing to do with their recording mechanism. To facilitate the description of the present invention, a Blu-ray disc (BD) is adopted as an exemplary example of an optical disc. However, it should be understood that the technical concept of the present invention can be applied to other recording media in the same manner. "Control Information" means various types of information that are used to read / write discs from Blu-ray discs and are equivalent to (for example) "discs" written in specific areas of Blu-ray discs (BD) Information "or" Physical Format Information "written on DVD-RAM / -RW / + RW. First, for the sake of convenience, the following explanation corresponds to the case of "disc information (hereinafter referred to as" di ") for a Blu-ray disc (BD). However, it should be understood that the concept of the present invention is applicable to other discs (such as DVD series) of different formats that are used in the same way for the same concept. The present invention relates to a method for recording read / write control information of disc version information. Disc version information will be explained first, and a method of writing disc version information as "disc information (DI)" in Blu-ray discs to control information will be explained in detail later.

首先’關於前述中提及之「碟片版本資訊」，每次新規 格項目依據相同系列之碟片技術發展加入時新定義的碟片 版本’且碟片作者在特定區域中紀錄對應碟片係由何種版 本製備之碟片資訊，因此用於對應碟片之讀/寫的讀/寫設 備（顯示在第7圖中）會查詢寫在碟片中之碟片版本資訊， 用於讀/寫。 本發明之特徵係在紀錄碟片版本資訊成為控制資訊 (如’碟片資訊（DI))中，該碟片資訊係在被紀錄為在一碟 片及一讀/寫設備間可相互辨認之特定資訊。而且，本發明 之特徵在於使用該碟片版本資訊以在彼此版本不同之讀/ 寫設備及碟片間實行有效讀/寫控制。 第1圖及第2圖顯示應用於本發明之光碟的結構。第 1圖顯示具有一紀錄層之單層可紀錄Blu_ray碟片 (BD-RE/R)。且第2圖顯示具有一紀錄層之單層唯讀 Blu-ray 碟片（BD-ROM)。 第1圖係具有一依照本發明的紀錄層之單層碟片的結 構圖，其中Blu-ray碟片（BD)之碟片資訊（DI)係在碟片中 寫成控制資訊。 參考第1圖，一引入區域係設置成一在本發明之光碟 内圓周區域上的管理區域，而一引出區域係成一設置在該 光碟外圓周區域上之管理區域。明確言之，一預先紀錄區 10 200540834 域及一可重寫或寫一次區域係在該碟片之内圓周區域内彼 此分離。該預先紀錄區域係一其中資料已在製造該碟片時 紀錄之區域，因此使用者或系統係完全無法在該預紀錄區 域中施行資料紀錄。明確言之，在Blu_ray碟片（BD)中， 該預先紀錄區域被稱為PIC(永久資訊及控制資料）區域。 且碟片資訊（如碟片紀錄及其類似者需用之資訊）係紀錄在 PIC區域中。但，本發明之碟片資訊（DI)無須存在於pic 中。且應瞭解碟片資訊可紀錄在另一管理區域中。 在一資料區域中設置的是一使用者資料區域，在該處 使用者之真實資料被紀錄；及備用區域j s A及Ο S A，以取 代一已產生缺陷之區域。明確言之，一用於紀錄缺陷及一 般管理之資訊的TDMA(暫時缺陷管理區域）係設置在一如 BD-R之寫一次光碟内的管理區域中。在可重寫BD-RE之 情況下，TDMA係無須維持為一已保留區域。 第2圖係具有依據本發明的一紀錄層之單層唯讀碟片 的結構圖，其係用於解釋寫入本發明之碟片資訊DI的位 置。 在唯讀碟片之情況下，碟片之整個區域係設置有預先 紀錄區域。有關本發明之碟片資訊可被寫入一引入區 域中之PIC區域，其係與第1圖中顯示之寫一次碟片相同。 本發明（如第1及第2圖中所提及）意於提供一種有效 地寫入有關本發明碟片版本之讀/寫控制資訊的方法，以及 種、己錄用於讀/寫之寫人逮度資訊以及寫人策略（以下稱 為ws)資訊如β己錄於預先紀錄區域中之碟片資訊（〇1)的方 11 200540834 法。而寫入本發明之碟片資訊（DI)的方法係詳細說明於後。 第3圖係在第i或第2圖所示碟片内的pic區域之結 構圖。 參考第3圖，在Blu-ray碟片中，「一叢集（ciuster)」 表示一最小紀錄單元，544個叢集聚集以構成一片段成為 一上紀錄單元，且全部5片段聚集以形成一 pic區域。 碟片資訊DI係紀錄在第一片段IF〇之一前頭叢集中First of all, 'About the "disc version information" mentioned in the foregoing, each time a new specification item is added based on the same series of disc technology developments, a newly defined disc version is added and the disc author records the corresponding disc system in a specific area Which version of the disc information is prepared, so the read / write device (shown in Figure 7) that is used to read / write the disc will query the disc version information written on the disc for reading / writing. write. A feature of the present invention is that when recording disc version information becomes control information (such as' disc information (DI)), the disc information is recorded as being recognizable between a disc and a reading / writing device. Specific information. Furthermore, the present invention is characterized by using the disc version information to implement effective read / write control between read / write devices and discs of different versions. 1 and 2 show the structure of an optical disc applied to the present invention. Figure 1 shows a single-layer recordable Blu-ray disc (BD-RE / R) with one recording layer. And Figure 2 shows a single-layer read-only Blu-ray disc (BD-ROM) with a recording layer. Fig. 1 is a structure diagram of a single-layer disc having a recording layer according to the present invention, in which disc information (DI) of a Blu-ray disc (BD) is written as control information in the disc. Referring to FIG. 1, a lead-in area is set as a management area on the inner peripheral area of the optical disc of the present invention, and a lead-out area is set as a management area on the outer peripheral area of the optical disc. Specifically, a pre-recorded area 10 200540834 area and a rewritable or write-once area are separated from each other within the inner circumferential area of the disc. The pre-recorded area is an area in which data has been recorded when the disc was manufactured, so the user or the system cannot perform data recording in the pre-recorded area at all. Specifically, in the Blu-ray disc (BD), this pre-recorded area is called a PIC (Permanent Information and Control Data) area. And disc information (such as disc records and the like used by the information) is recorded in the PIC area. However, the disc information (DI) of the present invention need not exist in the pic. It should be understood that disc information can be recorded in another management area. Set in a data area is a user data area, where the user's real data is recorded; and spare areas j s A and 0 S A to replace a defective area. Specifically, a TDMA (Temporary Defect Management Area) for recording defects and general management information is set in a management area in a write-once disc, such as a BD-R. In the case of a rewritable BD-RE, the TDMA system need not be maintained as a reserved area. Fig. 2 is a structural diagram of a single-layer read-only disc having a recording layer according to the present invention, which is used to explain the position where the disc information DI of the present invention is written. In the case of a read-only disc, the entire area of the disc is provided with a pre-recorded area. Information about the disc of the present invention can be written into the PIC area of a lead-in area, which is the same as the write-once disc shown in FIG. The present invention (as mentioned in Figures 1 and 2) is intended to provide a method for effectively writing read / write control information about the disc version of the present invention, and a writer for recording and reading The method of capturing information and writing strategy (hereinafter referred to as "ws") such as β has been recorded in the pre-recorded area of the disc information (〇1). The method of writing the disc information (DI) of the present invention is described in detail later. Fig. 3 is a structure diagram of a pic area in the disc shown in Fig. I or Fig. 2. Referring to FIG. 3, in a Blu-ray disc, “a cluster” means a minimum recording unit, 544 clusters are aggregated to form a segment into an upper record unit, and all 5 segments are aggregated to form a pic area . The disc information DI is recorded in the front of one of the first episode IF〇

碟片資訊DI係對於每一紀錄層及由對應光碟允許之速度 複數地寫入，且一碟片資訊DI可包括112位元組。明確 。之以上w又置之碟片資訊係偶而稱為一碟片資訊（DI)訊 框。此外，碟片資m m之相同内容係重複地紀錄在其餘 片段之各前頭叢集中，因而係能夠處理失去之碟片資訊 DI。 明確吞之’在第i圖所示之可紀錄碟片中，表示對應 紀錄層與紀錄速度之資訊和對應於該紀錄層與速度之寫入 策略（WS)資訊’以及碟片版本資訊，係紀錄於可紀錄碟片 之各碟片資訊DI中。斛以丄次 y 所以此資訊係用於對應光碟之讀/ 寫，因而使有效讀/寫成為可行。 但由於無法在第2圖 作’用於碟片紀錄之紀錄速 不會包括在碟片資訊DI中 所示之唯讀光碟中施行寫入操 度資訊及寫入策略（WS)資訊將 至第8圖之各種具體實施例， 洋細解釋一種紀錄有關太路 、 關本發明一碟片版本之讀/寫控制資 訊的方法。為便於解蕹 祗 、鮮釋，係採用一可紀錄碟片作為實例。 12 200540834 但如先前說明中提及，該方法也可依相同方式應用至唯讀 碟片。 第4A及第4B圖顯示一種在依據本發明第一具體實施 例之光碟中，將碟片資訊（DI)寫成控制資訊的方法，其中 一用於紀錄讀/寫控制資訊於其中之區域係分離地分配。 即，一用於紀錄至少一碟片資訊D j於其中之區域係 設置在一光碟内，且各碟片資訊DI之順序係依據其欲由The disc information DI is written plurally for each recording layer and the speed allowed by the corresponding disc, and a disc information DI may include 112 bytes. Be clear. The above disc information is occasionally called a disc information (DI) frame. In addition, the same content of the disc material m m is repeatedly recorded in each of the first clusters of the remaining clips, and therefore it is able to handle the lost disc information DI. Explicitly swallowing 'in the recordable disc shown in Fig. I, the information corresponding to the recording layer and the recording speed and the writing strategy (WS) information corresponding to the recording layer and the speed' and the disc version information are It is recorded in each disc information DI of the recordable disc. This information is used to read / write the optical disc, so that effective reading / writing becomes feasible. However, since the recording speed for disc recording in Figure 2 will not be included in the read-only disc shown in the disc information DI, write operation information and write strategy (WS) information will reach the first. Various specific embodiments of FIG. 8 explain a method for recording read / write control information about the Tailu and a disc version of the present invention. In order to facilitate the solution and fresh release, a recordable disc is used as an example. 12 200540834 But as mentioned in the previous description, this method can also be applied to read-only discs in the same way. Figures 4A and 4B show a method for writing disc information (DI) as control information in an optical disc according to a first embodiment of the present invention. One of them is used to record the area in which read / write control information is separated Land allocation. That is, an area for recording at least one disc information D j is set in an optical disc, and the order of each disc information DI is

一位元組紀錄之序列號碼決定。例如，紀錄在碟片資訊DI 内第5位元組處之對應資訊，係稱為「⑴組塊之訊框 序列號碼」，且係簡要地由「〇〇h、〇lh、〇2h、」表示。 即，如果第5位元組之資訊為「〇〇h」，其表示第一碟片資 訊。如果第5位元組之資訊是「〇3h」，其表示第四碟片資 訊。 ”由對應碟片資訊DI |示之紀錄速度相互操作的寫 入策略(WS)資訊，係藉由碟片資訊DI之第(L〜⑴)位元組 紀錄於-稱為「寫入策略參數」攔位的區域中 制資訊係藉由如碟片資邙m +够 磲片貝訊DI之第N位元組紀錄在一稱為 「讀/寫操作控制」攔位中。 版本號讀^ #作控制」攔位係分為二部分，其中「可紀錄 ::」係紀錄在前四位元中，而後四位元係 一 用於紀錄「讀取相容性型式號碼」於其中之區域。 :乂下詳細解釋「讀/寫操作控制」攔位。 寫作對應碟片之主要版本資訊係藉由使用「讀/ 寫麵作控制』位内之「可紀錄版本號碼」表示。例如， 13 200540834 如果一碟片對應於版本l.xx(Vl.xx)，其係表示成「版本號 碼=0001」。如果該碟片對應於版本2.xx(V2.xx)，其係表示 成「版本號碼=0010」。而且，如果該碟片對應於版本 3.xx(V3.xx)，其係表示成「版本號碼= 0011j。Determines the serial number of a tuple record. For example, the corresponding information recorded at the 5th byte in the disc information DI is referred to as the "frame sequence number of the ⑴ block", and is briefly referred to as "〇〇h, 〇lh, 〇2h," Means. That is, if the information of the 5th byte is "00h", it indicates the first disc information. If the information of the 5th byte is "03h", it indicates the information of the fourth disc. "Writing strategy (WS) information that is interoperable by the recording speed indicated by the corresponding disc information DI | is recorded by the (L ~ ⑴) byte of the disc information DI-called" writing strategy parameter The local system information of the block is recorded in a block called "read / write operation control" by means of, for example, disc data 邙 m + enough to send the Nth byte of the Beixin DI. The version number read ^ # 作 控制 "block is divided into two parts, of which" recordable :: "is recorded in the first four digits, and the last four digits are used to record" read the compatibility type number " In the area. : Your Majesty explained the "Read / Write Operation Control" block in detail. The major version information of the writing corresponding disc is indicated by using the "recordable version number" in the "read / write side for control" bit. For example, 13 200540834 If a disc corresponds to version l.xx (Vl.xx), it is expressed as "version number = 0001". If the disc corresponds to version 2.xx (V2.xx), it is indicated as "version number = 0010". Also, if the disc corresponds to version 3.xx (V3.xx), it is expressed as "version number = 0011j.

因此，如果一寫成「版本號碼=0010(V2.xx)」之較高 版本碟片，被載入較低版本（Vl.xx)之讀/寫設備中，較低 版本之讀/寫設備應不會在已載入之較高版本碟片上施行 紀錄。因此，在載入較高版本碟片之情形下，讀/寫設備確 認寫在已載入碟片内「可紀錄版本號碼（版本號碼）」欄位 中之對應碟片版本資訊，不施行一用於在該對應碟片上施 行寫入之存取操作，而是立即通知使用者及其類似者，以 回應該對應碟片係不可紀錄。 即’該讀/寫設備只有在載入一具有可允許寫入版本之 碟片時，才允許在對應碟片上執行寫入。而且，該設備自 碟片資訊DI讀取對應控制資訊。 在讀/寫操作控制」攔位中之「讀取相容性型 j號碼」（其」系指出重製是否被允許之資訊)的意義在於， ^ 丨生型式號碼」高於讀/寫設備之碟片的重製會Therefore, if a higher version disc written as "version number = 0010 (V2.xx)" is loaded into a lower version (Vl.xx) read / write device, the lower version read / write device should No recording will be performed on a later loaded disc. Therefore, in the case of loading a higher version disc, the read / write device confirms that the corresponding disc version information written in the "recordable version number (version number)" field in the loaded disc does not perform a It is used to perform the write access operation on the corresponding disc, but the user and the like are immediately notified to respond that the corresponding disc is unrecordable. That is, 'the read / write device is allowed to perform writing on the corresponding disc only when a disc having a permissible writing version is loaded. Moreover, the device reads the corresponding control information from the disc information DI. The meaning of the "read-compatible j-number" in the "read / write operation control" block (which is information indicating whether reproduction is permitted) is that ^ 丨 birth type number "is higher than that of the read / write device Disc Remake Conference

被禁止。因此，嬸/命 # W 讀/寫設備確認寫在已載入碟片内「讀 容性型式號崎」搁位中之對應碟片版本資… 於在該對應碟片μ + 也订用 者及其類似者，以：1 亍：操作，而是立即通知使用 _ 乂回應該對應碟片係不可紀錄。 即，讀在:相各性型式號碼」較佳是具有以下限制條件。 同可紀錄版本資訊（版本號碼）中，「讀取相 14 200540834 容性型式號碼」之值未改變而是維持相ig。例#，其意味 著在八版本3 · X X之相同可紀錄版本資訊（版本號碼=〇 〇 1 1 ) 中，各碟片「讀取相容性型式號碼」不允許具有不同值 「0001」或「〇〇1〇」。 換句話說，如果讀取相容性資訊（讀取相容性型式號碼） 變成「0001」或「0010」，版本資訊可藉由採取該讀取相容 性資訊（讀取相容性型式號碼）之一值為參考，代表指示版 本3.xx(V3.xx ’ x:0至9)之相同可紀錄版本號碼（「版本號 碼〇 〇 11」）°即’讀取相容性資訊（讀取相容性型式號碼） 應在版本資訊前決定，以決定相容性，且尤其是在反向相 容性。而且，只要維持讀取相容性資訊值，版本值將可改 變。 決定相容性之方法將參考第8及9圖解說。 第4B圖係提供額外地解說第4A圖中相同具體實施例 之「讀取相容性型式號碼」。 即在第4A圖中，如果可紀錄版本資訊（版本資訊）對應 於「0001」（Vl.xx)或「〇〇1〇」（V2.xx)時，相同讀取相容性 資訊（讀取相容性型式號碼=0000)係可應用。但在第4B圖 中，如果可紀錄版本資訊（版本資訊）對應於「〇〇〇1」（VI • XX) 或「0010」（V2·XX)時，讀取相容性資訊（讀取相容性型式 號碼=0 0 00)及可讀取相容性資訊（讀取相容性型式號碼 = 0001)係可分别地應用。 然而，如第4A或4B圖中所示，在可紀錄版本資訊（版 本資訊）係只由較高版本資訊（Vl.xx、V2.xx、V3.xx、…） 15banned. Therefore, the 婶 / 命 # W read / write device confirms that the corresponding disc version written in the “Reading Capability Type No. Saki” shelf in the loaded disc is for the corresponding disc μ + also the subscriber It is similar to: 1 亍: operation, but immediately notify the use of _ 乂 应该 should correspond to the corresponding disc is not recordable. That is, it should be read: "Phase-specific pattern number" preferably with the following restrictions. In the recordable version information (version number), the value of "reading phase 14 200540834 capacitive type number" does not change but maintains phase ig. Example #, which means that in the same recordable version information (version number = 〇〇1 1) of version 8 · XX, each disc "read compatibility type number" is not allowed to have a different value "0001" or "〇〇1〇". In other words, if the read compatibility information (read compatibility type number) becomes "0001" or "0010", the version information can be read by taking the read compatibility information (read compatibility type number ) Is a reference value, which indicates the same recordable version number ("version number 〇〇11") indicating version 3.xx (V3.xx 'x: 0 to 9) °, that is,' read compatibility information (read (Take the compatibility type number) should be decided before the version information to determine compatibility, especially for backward compatibility. Moreover, as long as the read compatibility information value is maintained, the version value can be changed. The method of determining compatibility will be described with reference to Figures 8 and 9. FIG. 4B provides a “read compatibility type number” which additionally illustrates the same embodiment in FIG. 4A. That is, in FIG. 4A, if the recordable version information (version information) corresponds to "0001" (Vl.xx) or "〇〇1〇" (V2.xx), the same read compatibility information (read Compatibility pattern number = 0000) is applicable. However, in Fig. 4B, if the recordable version information (version information) corresponds to "〇〇〇1" (VI • XX) or "0010" (V2 · XX), read the compatibility information (read phase Capacitive pattern number = 0 00 00) and readable compatibility information (read compatible pattern number = 0001) can be applied separately. However, as shown in Figure 4A or 4B, in the recordable version information (version information) is only the higher version information (Vl.xx, V2.xx, V3.xx, ...) 15

200540834 表示之情況中，且如果使得該情況不可能只以該資 錄時，在「橋接相容狀態」中會發生混淆。 即，在版本1·1(νΐ·1)係1X/2X紀錄標準且如果 援新4Χ速度標準之標準無法符合全部IX〜4Χ速度 下，「橋接相容狀態」意指藉由調整版本2.0(V2.0)為 速度且藉由使2X與版本1·1(νΐ·1)標準相容，而大 為部分相容且1 X速度為不相容之標準。 因此，在「橋接相容狀態」情況下，無法完全 「寫入禁止」，而是使部分相容之部分可紀錄。對於 果讀取相容性在設計讀/寫設備中係維持著，讀/寫 製該碟片資訊（DI)以讀取各速度之紀錄條件（如， 略、寫入策略參數等），且決定該速度是否允許寫入 續將參考第8圖解說。 第5圖係依據本發明第二具體實施例將一光碟 資訊（DI)寫成控制資訊之方法，其中一用於紀錄讀/ 資訊於其中之區域係分離地分配。 參考第5圖，至少一碟片資訊di係紀錄在一光 且各碟片資訊DI之順序係依據其欲由1位元組紀 列號碼決定。例如，紀錄在碟片資訊DI内第5位 之對應資訊，係稱為「DI組塊中之D j訊框序列號名 係簡要地由「00h、01h、〇2h、···」表示。即，如果 元組之資訊為「00h」，其表示第一碟片資訊叫。如 位το組之資訊是r03h」，其表示第四碟片資訊。 在碟片資訊DI中第（L至1U)位元組係稱為「 訊可紀 用於支 之情況 2X/4X ，許2X 決定為 此，如 設備重 寫入策 。此後 之碟片 寫控制 •碟内， 錄之序 元組處 馬」，且 第5位 果第5 寫入策 16 200540834 略參數」欄位。而且，與由對應碟片資訊DI表示之紀錄 速度相互操作的寫入策略（WS)資訊係紀錄在「寫入策略參 數」欄位中。第 N位元組係稱為「碟片版本號碼（寫入相 容性）」欄位，且本發明之讀/寫控制資訊的寫入控制資訊 係紀錄在「碟片版本號碼（寫入相容性）」欄位中。而且， 第N +1位元組係稱為「讀取相容性型式號碼」襴位，且本 發明之讀/寫控制資訊的讀取控制資訊係紀錄在「讀取相容 性型式號碼」攔位中。200540834 In the situation indicated, and if it is not possible to use only that record, confusion will occur in the "bridge compatible state". That is, in the case where version 1.1 · (νΐ · 1) is a 1X / 2X record standard and if the standard of the new 4 × speed standard cannot meet all IX ~ 4 × speeds, "bridge compatibility state" means by adjusting version 2.0 V2.0) is speed and by making 2X compatible with the version 1.1 (νΐ · 1) standard, while it is mostly compatible and 1 X speed is an incompatible standard. Therefore, in the case of "bridge compatible state", it is not possible to completely "write prohibited", but to make the partially compatible part recordable. The read compatibility is maintained in the design read / write device, read / write the disc information (DI) to read the record conditions (such as omission, write strategy parameters, etc.) of each speed, and Deciding whether the speed allows writing is continued with reference to the eighth diagram. FIG. 5 is a method for writing a disc information (DI) into control information according to a second embodiment of the present invention, in which a region for recording read / information is separately allocated. Referring to FIG. 5, at least one disc information di is recorded in one light and the order of each disc information DI is determined by a 1-byte sequence number according to its desire. For example, the corresponding information recorded at the 5th position in the disc information DI is called "the serial number name of the D j frame in the DI block. It is briefly represented by" 00h, 01h, 〇2h, ... ". That is, if the information of the tuple is "00h", it means that the first disc information is called. If the information of the bit το group is r03h ", it indicates the fourth disc information. In the disc information DI, the (L to 1U) byte is referred to as "the case where the information can be used for support 2X / 4X. Xu 2X decided to do so, such as the device rewrite policy. Later disc write control • In the disc, the sequence tuple is recorded, and the 5th place is the 5th written strategy 16 200540834 strategy parameters "field. Further, the writing strategy (WS) information interoperating with the recording speed indicated by the corresponding disc information DI is recorded in the "writing strategy parameter" field. The Nth byte is called a "disc version number (write compatibility)" field, and the write control information of the read / write control information of the present invention is recorded in the "disc version number (write phase) Capacitive) "field. Moreover, the N + 1th byte is called a "read compatibility type number" bit, and the read control information of the read / write control information of the present invention is recorded in the "read compatibility type number" Stopping.

即，與依據本發明的第一具體實施例（第4 A、第4B圖） 比較，依據本發明之第二具體實施例（第5圖）延伸「碟片 版本號碼（寫入相容性）」欄位，以指出一較低版本以及一 較高版本。 「碟片版本號碼（寫入相容性）」欄位係分為二部分， 其中「較高版本資訊（第1版本資訊）」係紀錄在前四位元 中，而「較低版本資訊（第2版本資訊）」係紀錄於後四位 元内。 在版本1 ·0(VI ·〇)之情況下，「碟片版本號碼（寫入相容 性）」欄位係設定成「0001 0000」。在版本l.uvu)之情 況下，「碟片版本號碼（寫入相容性）」攔位係設定為「0001 0001」。在版本3.UV3.1)之情況下，「碟片版本號碼（寫入 相容性）」攔位係設定為「0 0 11 〇 〇 〇 1」。 藉由以上定義，可正確地指出碟片版本。而且，在參 考版本資訊決定一寫入可能性時，讀/寫設備可增強其作 心 ° 17 200540834 但在本發明第二具體實施例以及第一具 a 、 方也例中， 「讀取相容性型式號碼」欄位最好具有上诚阳幻a 4限制條件。 即，在可紀錄版本資訊（版本號碼）之卓 平乂呵版本資訊類 似時，「讀取相容性型式號碼」之值未改變而β认 又叨疋維持相同。 第6圖顯示依據本發明第三具體實施 e例將一光碟之碟 片資訊（DI)紀錄成控制資訊之方法，其中_ Τ 用於紀錄關連 碟片版本資訊之讀/寫控制資訊的區域，維垃—& 唯得在與現正討論 中的1X可紀錄Blu-ray碟片（BD_RE)中之碟片資訊（di)紀 錄方法的相容性。 參考第6A圈’碟片資訊m中之第u位元組係稱為 「碟片尺寸/版本」攔位，其係用於紀錄碟片尺寸資訊及版 本資訊於其内。「尺寸資訊」係紀錄在前二位元b7及b6 中，「讀取相容性型式號碼」係紀錄在其次之二位元b5及 b4中，而「可紀錄版本資訊（版本號碼（寫入相容性））」係 紀錄在第三組四位元b 3至b 0内。 目前討論之Blu-ray碟片（BD)只具有12公分之尺寸。 因此，如果碟片尺寸資訊對應於「00b」，其意指12公分之 情況。且其餘係留作以後將被增加成為標準之碟片尺寸（如 8公分）的保留區域。 如果第11位元組係設定成「00 00 〇〇〇lb」，其意指該 碟片之尺寸為12公分，#「讀取相容性型式號碼」型式係 「〇〇」，且可紀錄版本資訊（版本號碼）成為「〇〇〇1」。 在本發明第三具體實施例（第6圖）中，讀取相容資訊 (讀取相容性型式號碼）之限制條件係在相同可紀錄版本資 18 200540834 訊（版本號碼）中具有相同值。為解決「橋接相容狀態」之 問題’在設計讀/寫設備時，最後可讀取可能性應參考其他 資訊（如，紀錄速度資訊等）決定。 第6 B圖顯示從第6 A圖修改之實例’其中搁位名稱係 部分改變。即，第6圖中之「讀取相容性資訊（讀取相容性 型式號碼）」係改變成「讀取相容版本資訊（讀取相容版本 號碼）」，且「寫入相容版本資訊（版本號碼）」係改變成「寫That is, compared with the first specific embodiment according to the present invention (Figures 4A, 4B), the second specific embodiment according to the present invention (Figure 5) extends the "disc version number (write compatibility)" "Field to indicate a lower version and a higher version. The "disc version number (write compatibility)" field is divided into two parts, of which "higher version information (version 1 information)" is recorded in the first four bits, and "lower version information ( Version 2 information) "is recorded in the last four digits. In the case of version 1 · 0 (VI · 〇), the "disc version number (write compatibility)" field is set to "0001 0000". In the case of version l.uvu), the "disc version number (write compatibility)" setting is set to "0001 0001". In the case of version 3.UV3.1), the "disc version number (write compatibility)" block is set to "0 0 11 〇 〇 〇 1". With the above definition, the disc version can be correctly indicated. Moreover, when determining a writing possibility with reference to the version information, the read / write device can enhance its mind. 17 200540834 However, in the second specific embodiment of the present invention and the first a and F, the "read phase" The "Capacitive Type Number" field is best to have the above 4 restrictions. That is, when the recordable version information (version number) is similar, the value of the "read compatibility type number" is not changed and the β recognition remains the same. FIG. 6 shows a method for recording disc information (DI) of a disc as control information according to a third embodiment e of the present invention, where _T is used to record the read / write control information of the disc version information, Wei La—Only compatible with the disc information (di) recording method in the 1X recordable Blu-ray disc (BD_RE) under discussion. The u-th byte in the disc information m with reference to circle 6A is called a "disc size / version" block, which is used to record disc size information and version information therein. "Size information" is recorded in the first two bits b7 and b6, "Read compatibility type number" is recorded in the next two bits b5 and b4, and "recordable version information (version number (write in Compatibility)) "is recorded in the third group of four bits b 3 to b 0. The Blu-ray discs (BD) in question are only 12 cm in size. Therefore, if the disc size information corresponds to "00b", it means a case of 12 cm. And the rest is reserved for the reserved area that will be increased to a standard disc size (such as 8 cm) in the future. If the 11th byte is set to "00 00 〇〇〇〇lb", it means that the size of the disc is 12 cm, # "Read the compatibility type number" type is "〇〇", and can be recorded The version information (version number) becomes "〇〇〇〇1". In the third embodiment (FIG. 6) of the present invention, the restriction condition for reading compatible information (reading the compatibility type number) has the same value in the same recordable version of the data (version number). . In order to solve the problem of “bridge compatible state”, when designing a read / write device, the final readability should be determined by referring to other information (such as recording speed information, etc.). Fig. 6B shows an example modified from Fig. 6A 'in which the name of the seat is partially changed. That is, the “read compatibility information (read compatibility type number)” in FIG. 6 is changed to “read compatible version information (read compatible version number)”, and “write compatible Version information (version number) "was changed to" write

入相容版本資訊（寫入相容版本號碼）」。 因此，顯然以上修改可發展成為各種名稱修改。例如， 第6A圖中之「讀取相容性資訊（讀取相容性型式號碼）」係 簡單修改成為「類別資訊（類別）」，而「寫入相容版本資訊 (版本號碼）」可被修改成為「版本資訊（版本）」。在此情況 下，「類別資訊（類別）」成為指示讀取相容碟片版本之資 訊，而「版本資訊（版本）」變成指示寫入相容碟片版本之 資訊。 第7圖係可應用於本發明光碟中的讀/寫設備之圖式。 參考第7圖，在可應用於本發明先碟中的讀/寫設備該 設備包括一讀/…1〇,其實行光碟之讀/寫；* 一控制 讀/寫單元10之控制單元20。控制單元2〇提供針對—特 :區域之讀或寫命令’且讀/寫單元1〇依據控制單元2〇之 命令實行在該特定區域上之讀/寫。 曰月確言之，讀/寫單元1〇包括〜介面單元i2, i 與外部I置之通信；-拾取器單元u，其直接在光碟丁 入資料或讀取資料；一資料處理器13自拾取器單元"接 19 200540834 收-讀出信號，以料成為_需要信號值 ' 欲紀錄之信號成為將寫在光碟上之俨號.以傳遞 14,其自該光碟正確地讀出信號，，一词服器單元 以正確地紀錄在光碟上之信號；一記憶體15，1早疋11 資料及包括管理資訊之各種類資訊；及一微電腦時儲存 責控制在讀/寫單元10中之上述元件。 _ 16 ’其負 除了讀/寫設備，可設置一顯示裝 ^ ^ 置3〇，其顯示一經 由讀/寫單元10讀出之信號，或經由控 ' Ν千7L 20以資訊裎 供最後使用者。 钕 第8及9圖分别係可應用於本發 心尤碟讀/寫方法的 流程圖。第8圖優先地關於出現或不屮 m現寫入相容性之確 認，而第9圖關於完成讀取相容性之屮 〜 之出現或不出現的確認 後，寫入相容性之出現或不出現的確認。 參考第8圖，一旦光碟被載入讀/窝 貝馬0又備中，在碟片内 之所有資訊被讀出以暫時儲存在讀/寫單元1〇之記情體^ 中。而且’該管理資訊係用於光碟之讀/寫。明確言之，儲 存在記憶體15中之管理資訊包括本發明之讀/寫控制資 訊。例如，讀/寫控制資訊係提供作為碟片資訊（DI)。之後， 微電腦16用以下方式決定讀/寫相容性之出現或不出現。 明確言之’讀出碟片讀/寫控制資訊可為具有如本發明 第一至第三具體實施例中解說之各種名稱的資訊。可自各 種類資訊中決定目前已載入之碟片是否可紀錄（S11)。 明確言之，在步驟s 11中，其檢查該可紀錄案例是否 在「橋接相容狀態」（S3 0)，以及寫入相容性決定（S20)。 20 200540834 因此’如果在步驟s丨丨中決定該光碟係不可紀錄，讀 /寫设備禁止進一步紀錄（S 40)。如果自讀取相容性資訊（讀 取相容性）決定讀取係可能，會只在對應碟片上施行讀取。 而且’如果步驟S11中決定該光碟係可紀錄光碟且不 在「橋接相容」狀態，其對應於使正常紀錄可行。因此， 讀/寫設備可參考碟片資訊（DI)中之寫入策略資訊（寫入策 略、寫入策略參數等）施行紀錄（S 80)。Enter compatible version information (write compatible version number). " Therefore, it is clear that the above modifications can be developed into various name modifications. For example, the "read compatibility information (read compatibility type number)" in Figure 6A is simply modified into "category information (category)", and "write compatible version information (version number)" can be Modified as "version information (version)". In this case, "category information (category)" becomes information instructing to read the compatible disc version, and "version information (version)" becomes information instructing to write the compatible disc version. FIG. 7 is a diagram of a read / write device applicable to the optical disc of the present invention. Referring to FIG. 7, in a read / write device applicable to the precursor disk of the present invention, the device includes a read / ... 10, which performs read / write of the optical disc; * a control unit 20 that controls the read / write unit 10. The control unit 20 provides a read or write command for the special area, and the read / write unit 10 executes the read / write on the specific area according to the command of the control unit 20. To be sure, the read / write unit 10 includes ~ interface units i2, i to communicate with the external I;-a picker unit u, which directly loads or reads data on the optical disc; a data processor 13 picks it up The receiver unit "receives 19 200540834 receiving-reading signals, and it is expected that the signal value will be required. The signal to be recorded becomes the number to be written on the disc. By passing 14, it correctly reads the signal from the disc, A server unit to properly record the signals on the optical disc; a memory 15, 1 early 11 data and various types of information including management information; and a microcomputer storage responsibility for controlling the above-mentioned elements in the read / write unit 10 . _ 16 'In addition to the read / write device, a display device ^ ^ device 30 can be set, which displays a signal read through the read / write unit 10, or through the control' Ν 千 7L 20 for information for the final use By. Neodymium Figures 8 and 9 are flowcharts that can be applied to the reading / writing method of the USB disk of the present invention. Figure 8 prioritizes the confirmation of the presence or absence of write compatibility, and Figure 9 shows the completion of the write compatibility after confirming the presence or absence of read compatibility. Or no confirmation appears. Referring to FIG. 8, once the optical disc is loaded into the read / write unit, all the information in the disc is read out and temporarily stored in the memory of the read / write unit 10. Moreover, the management information is used for reading / writing of the optical disc. Specifically, the management information stored in the memory 15 includes the read / write control information of the present invention. For example, read / write control information is provided as disc information (DI). After that, the microcomputer 16 determines the presence or absence of read / write compatibility in the following manner. Specifically, the 'read disc read / write control information may be information having various names as explained in the first to third specific embodiments of the present invention. Whether the currently loaded disc is recordable can be determined from various types of information (S11). Specifically, in step s11, it checks whether the recordable case is in a "bridge compatible state" (S30) and writes a compatibility decision (S20). 20 200540834 Therefore, if it is determined in step s 丨 丨 that the optical disc is unrecordable, the read / write device prohibits further recording (S 40). If self-reading compatibility information (reading compatibility) determines the reading system is possible, reading will be performed only on the corresponding disc. Moreover, 'if it is determined in step S11 that the optical disc is a recordable disc and is not in a "bridge-compatible" state, it corresponds to making normal recording feasible. Therefore, the read / write device can refer to the execution record of the write strategy information (write strategy, write strategy parameters, etc.) in the disc information (DI) (S 80).

此外，如果在步驟S11中決定該光碟係可紀錄光碟且 在「橋接相容」狀態’該讀/寫設備自讀取相容性資訊（讀 取相容性）内確認是否在讀取相容狀態（S 5 0)中。在讀取相 容性之情況下，用於碟片資訊（DI)中各速度之寫入條件係 決定，以再次決定在對應速度下寫入相容性的可能性 (S60 、 S70)。 依據步驟S70之結果，如果決定寫入相容性係可能， 讀/寫設備會實行正常寫入。如果決定寫入相容性不可能 (S40)，讀/寫設備會禁止針對寫入存取資料，因而防止可 自碟片錯誤或不正常寫入嘗試所產生之系統錯誤。 參考第9圖，/旦光碟被載入讀/寫設備中，在碟片中 之所有資訊被讀出以暫時儲存在讀/寫單元10之記憶體15 中。而且，該管理資訊係用於光碟之讀/寫（Siio)。明確言 之，儲存在記憶體15中之管理資訊包括本發明之讀/寫控 制資訊。明確言之，讀/寫控制資訊係提供作為碟片資訊 (DI)。之後，微電腦用以下方式決定讀/寫相容性之出現或 不出現。 21 200540834 首先’其自讀出控制資訊中之「讀取相容資訊（讀取相 容性）」中，檢查對應碟片的讀取是否可能（S 120)。如果該 讀取係不可能，在已載入碟片中之資料區域存取會被禁 止’且該寫入也被禁止（S12i)。 如果在步驟S120中讀取相容性係可能，會自讀出控 制資訊中之「寫入相容資訊（寫入相容性）」檢查對應碟片 之寫入是否可能（S130)。In addition, if it is determined in step S11 that the optical disc is a recordable optical disc and is in a "bridge compatible" state, the read / write device reads compatibility information (read compatibility) from the read compatibility information to determine whether it is compatible with the read Status (S 50). In the case of read compatibility, the writing conditions for each speed in the disc information (DI) are determined to determine again the possibility of writing compatibility at the corresponding speed (S60, S70). According to the result of step S70, if it is determined that writing compatibility is possible, the read / write device performs normal writing. If it is determined that write compatibility is not possible (S40), the read / write device prohibits access to data for writes, thus preventing system errors caused by disc errors or abnormal write attempts. Referring to FIG. 9, the optical disc is loaded into the read / write device, and all information in the disc is read out to be temporarily stored in the memory 15 of the read / write unit 10. Moreover, the management information is used for reading / writing of a disc (Siio). Specifically, the management information stored in the memory 15 includes the read / write control information of the present invention. Specifically, read / write control information is provided as disc information (DI). Thereafter, the microcomputer determines the presence or absence of read / write compatibility in the following manner. 21 200540834 First, in "Read Compatible Information (Read Compatibility)" in its self-reading control information, check whether reading of the corresponding disc is possible (S 120). If the reading is impossible, access to the data area of the loaded disc is prohibited 'and the writing is also prohibited (S12i). If it is possible to read the compatibility in step S120, the "write compatible information (write compatibility)" in the read control information is checked to check whether the writing of the corresponding disc is possible (S130).

明確言之’在步驟S 1 3 0中，其決定寫入相容性案例 是否在「橋接相容」狀態中（S1 3 2),以及視需要決定寫入 是否係相容（S 1 3 1)。 因此’如果在步驟131中決定光碟不是寫入相容，讀/ 寫設備禁止進一步寫入且允許唯讀（sl4〇)。 如果步驟S131中決定該光碟係寫入相容光碟且在步 驟1 32中決定寫入相容案例不在「橋接相容」狀態，讀/ 寫設備決定其係正常寫入相容，以參考碟片資訊（DI)中之 寫入策略資訊（寫入策略、寫入策略參數等）及其類似者施 行正常寫入（S170)。 如果在步驟sm中決定該光碟為寫入相容，且如 在步驟⑴中決定該寫入相容案例係在「橋接相容」狀離， 該讀/寫設備針對碟片資訊（DI)中之各 f A反檢置焉入條彼 ⑻5〇) ’且再次決定在對應速度之寫入相容性；牛 (S160)。 。J 能 係可能 行正常 依據步驟S160之結果’如果決定寫入相容性 的，讀/寫設備會參考對應DI中之寫入策略資訊實 22 200540834 寫入（SI 70)。如果決定寫入相容性係不可能，讀/寫設備會 禁止在碟片上寫入，但允許唯讀（S1 40)。 因此，讀/寫設備係有助於從已載入碟片之讀/寫控制 資訊確認對應碟片之讀及/或寫的可能性，因而防止可能自 不正常讀/寫嘗試產生之系統錯誤。It is explicitly stated that in step S 1 30, it determines whether the writing compatibility case is in a "bridge compatible" state (S1 3 2), and if necessary, determines whether the writing is compatible (S 1 3 1 ). Therefore, 'if it is determined in step 131 that the disc is not write-compatible, the read / write device prohibits further writing and allows read-only (sl40). If it is determined in step S131 that the optical disc is a write-compatible disc and it is determined in step 1 32 that the write-compatible case is not in a "bridge-compatible" state, the read / write device determines that it is normally write-compatible to refer to the disc The writing strategy information (writing strategy, writing strategy parameters, etc.) in the information (DI) and the like perform normal writing (S170). If it is determined in step sm that the optical disc is write-compatible, and if it is determined in step 该 that the write-compatible case is "bridge-compatible", the read / write device is directed to the disc information (DI). Each of the f A counter-checks the entry point 50) 'and again determines the writing compatibility at the corresponding speed; cattle (S160). . The J system may work normally. According to the result of step S160 ', if the write compatibility is determined, the read / write device will refer to the write strategy information in the corresponding DI 22 200540834 write (SI 70). If it is determined that writing compatibility is not possible, the read / write device will prohibit writing on the disc but allow read-only (S1 40). Therefore, the read / write device helps to confirm the read and / or write possibility of the corresponding disc from the read / write control information of the loaded disc, and thus prevents system errors that may arise from abnormal read / write attempts .

而且，如果自微電腦16接收一通知，指示已載入碟片 之正常讀及/或寫係不可能，控制單元20較佳是視需要經 由顯示裝置30通知使用者一發布訊息，讀及/或寫係不可 能。 該等熟習此項技術人士應瞭解可進行本發明之各種修 改與變化，而不脫離本發明之精神或範疇。因此，本發明 旨於涵蓋本發明之修改及變化，只要是落在隨附申請專利 範圍及其等同者之範疇中。 【圖式簡單說明】 本文所包括之附圖係提供對本發明之進一步瞭解，且 併入且構成此申請案的一部分，本發明的示範性具體實施 例連同說明書係用來解釋本發明的原理。在圖式中： 第1圖係依照本發明之單層碟片的結構圖； 第2圖係依照本發明之單層唯讀碟片的結構圖； 第3圖係一已寫入本發明之控制資訊的管理區域之圖式， 其中控制資訊係寫入一對應區域； 第4A及第4B圖係依據本發明第一具體實施例寫入控制資 訊之方法的圖式， 23 200540834 第5圖係依據本發明第二具體實施例寫入控制資訊之方法 的圖式， 第6A及第6B圖係依據本發明第三具體實施例寫入控制資 訊之方法的圖式； 第7圖係可應用於本發明之光碟讀/寫設備的圖式；及 第8及第9圖係可應用於本發明之光碟讀/寫方法的流程 圖。Moreover, if a notification is received from the microcomputer 16 indicating that normal reading and / or writing of the loaded disc is impossible, the control unit 20 preferably notifies the user via the display device 30 as needed to issue a message, read and / or Writing is impossible. Those skilled in the art should understand that various modifications and changes can be made to the present invention without departing from the spirit or scope of the present invention. Therefore, the present invention is intended to cover modifications and variations of the present invention as long as they fall within the scope of the accompanying patent applications and their equivalents. [Brief Description of the Drawings] The drawings included herein are provided to further understand the present invention, and are incorporated in and constitute a part of this application. The exemplary embodiments of the present invention together with the description are used to explain the principle of the present invention. In the drawings: FIG. 1 is a structural diagram of a single-layer disc according to the present invention; FIG. 2 is a structural diagram of a single-layer read-only disc according to the present invention; and FIG. 3 is a diagram that has been written into the present invention. A diagram of a management area of control information, where control information is written in a corresponding area; FIGS. 4A and 4B are diagrams of a method for writing control information according to the first specific embodiment of the present invention, 23 200540834 FIG. 5 FIG. 6A and FIG. 6B are diagrams of a method for writing control information according to a second specific embodiment of the present invention, and FIGS. 6A and 6B are diagrams of a method for writing control information according to a third specific embodiment of the present invention; FIG. 7 is applicable to The drawings of the optical disk reading / writing device of the present invention; and Figs. 8 and 9 are flowcharts of the optical disk reading / writing method applicable to the present invention.

【主要 元 件 符號說明】 10 讀 /寫單元 11 拾 取 器 單 元 12 控 制 單 元 13 資 料 處 理 器 14 祠 服 器 單元 15 記 憶 體 16 微 電 腦 20 控 制 單 元 30 顯 示 裝 置[Description of Symbols of Main Components] 10 Read / Write Unit 11 Pickup Unit 12 Control Unit 13 Data Processor 14 Temple Server Unit 15 Memory 16 Microcomputer 20 Control Unit 30 Display Device

24twenty four

Claims (1)

200540834 拾、申請專利範圍： 1 · 一種紀錄媒體，其至少包含一具有讀/寫控制資訊 於其内之管理區域，其中該控制資訊包括對應紀錄 之版本資訊，且其中該版本資訊包括寫入相容性版 訊及讀取相容性版本資訊。 2 ·如申請專利範圍第1項所述之紀錄媒體，其中該寫 容性版本資訊及讀取相容性版本資訊係設置成一 3 ·如申請專利範圍第丨項所述之紀錄媒體，其中該讀 容性版本資訊之值，係針對與一先前版本紀錄媒體 不相容的每一新版本紀錄媒體而增加。 4.如申凊專利範圍第丨項所述之紀錄媒體，其中該寫 容性版本資訊之值，係針對對與一先前版本紀錄媒 取不相容的每一新版本紀錄媒體而增加。 5 ·如申請專利範圍第4項所述之紀錄媒體，其中該寫 容性版本資訊係在該相同讀取相容性版本資訊中；| 6·如申請專利範圍第1項所述之紀錄媒體，其中該紀 體係從由一唯讀光碟、一可重寫光碟及一寫一次光 紀錄 媒體 本資 入相 對來 取相 讀取 入相 體讀 入相 ;理。 錄媒 碟組 25 200540834 成之族中選出。 7.如申請專利範圍第1項所述之紀錄媒體，其中該控制資 訊更包含紀錄速度及寫入策略資訊。 8 ·如申請專利範圍第7項所述之紀錄媒體，其中該控制資 訊包括一關連該紀錄速度或該寫入策略資訊之控制資200540834 Patent application scope: 1 · A recording medium including at least a management area having read / write control information therein, wherein the control information includes version information corresponding to the record, and wherein the version information includes written information Capacitive version and read compatible version information. 2 · The recording medium described in item 1 of the scope of patent application, wherein the write-capable version information and read-compatible version information are set to one 3 · The recording medium described in item 丨 of the scope of patent application, where the The value of reading the capacitive version information is increased for each new version of the recording medium that is incompatible with a previous version of the recording medium. 4. The recording medium as described in item 丨 of the patent scope, wherein the value of the written version information is increased for each new version of the recording medium that is incompatible with a previous version of the recording medium. 5 · The recording medium described in item 4 of the scope of patent application, wherein the write-capable version information is in the same read-compatible version information; | 6 · The recording medium described in item 1 of the scope of patent application Among them, the era system is based on the read-only disc, the rewritable disc, and the write-once optical recording media. Recording media Disc group 25 200540834 Selected from the adult clan. 7. The recording medium according to item 1 of the scope of patent application, wherein the control information further includes recording speed and writing strategy information. 8. The recording medium as described in item 7 of the scope of patent application, wherein the control information includes a control information related to the recording speed or the writing strategy information 9 ·如申請專利範圍第1項所述之紀錄媒體，其中紀錄該寫 入相容性版本資訊及讀取相容性版本資訊之該管理區 域係一預先紀錄區域。 1 0.如申請專利範圍第9項所述之紀錄媒體，其中該預先紀 錄區域具有一擺動（wobble)型式。9 · The recording medium described in item 1 of the scope of patent application, wherein the management area in which the written compatible version information is read and the compatible version information is read is a pre-recorded area. 10. The recording medium according to item 9 of the scope of patent application, wherein the pre-recorded area has a wobble pattern. 11. 一種紀錄媒體的讀/寫方法，其至少包含： 一第一步驟，其自該紀錄媒體讀出一第一相容性版本 資訊及一第二相容性版本資訊；及 一第二步驟，其從該讀出版本資訊決定該對應紀錄媒 體之寫及/或讀是否相容，且如果該對應紀錄媒體之寫及/ 或讀係相容，則施行該寫及/或讀， 其中該第一相容性版本資訊係比該第二相容性版本資 2611. A read / write method for a recording medium, comprising at least: a first step of reading a first compatible version information and a second compatible version information from the recording medium; and a second step , Which determines whether the writing and / or reading of the corresponding recording medium is compatible from the read version information, and executes the writing and / or reading if the writing and / or reading of the corresponding recording medium is compatible, where the The first compatibility version information is 26 more than the second compatibility version information. 200540834 訊優先決定。 12.如申請專利範圍第11項所述之讀/寫方法，其中該第 相容性版本資訊係用於決定寫及/或讀資料之存取的 能性之資訊，且其中該第二相容性版本資訊係用於決 在由該第一相容性版本資訊所指之版本中的資料之 入的可能性之資訊。 13.如申請專利範圍第12項所述之讀/寫方法，該第二步 至少包含： 一步驟（2-1 )，其決定是否維持該第一相容性版本 訊；及 一步驟（2-2)，其在該步驟（2-1)中之決定結果係維持 第一相容性版本資訊時，根據該第二相容性版本資訊決 該資料之寫入可能性。 14.如申請專利範圍第13項所述之讀/寫方法，其更包含 第三步驟’如果其在步驟（2-2)中根據該第二相容性 本資訊決定該資料寫入係不可能，其根據一已指定之 制資訊決定一特定寫入條件是否符合，其中如果符合 特定寫入條件，則該資料寫入被執行。 15.如申請專利範圍第14項所述之讀/寫方法，其中該控 可 定 寫 驟 資 該 定 版 控 該 制 27200540834 News decision first. 12. The read / write method as described in item 11 of the scope of patent application, wherein the first compatible version information is information used to determine the accessibility of write and / or read data, and wherein the second phase Capacitive version information is information used to determine the possibility of entering data in the version indicated by the first compatible version information. 13. The read / write method described in item 12 of the scope of patent application, the second step includes at least: a step (2-1), which determines whether to maintain the first compatibility version; and a step (2 -2). When the result of the decision in step (2-1) is to maintain the first compatible version information, the possibility of writing the data is decided according to the second compatible version information. 14. The read / write method described in item 13 of the scope of patent application, which further includes a third step 'if it determines in step (2-2) that the data is written or not based on the second compatibility information. Possibly, it determines whether a specific writing condition is met according to a specified system information, wherein if the specific writing condition is met, the data writing is performed. 15. The read / write method as described in item 14 of the scope of patent application, wherein the control can be fixed to write to the fixed version to control the system 27 200540834 資訊包括寫入策略參數資訊。 1 6. —種紀錄媒體的讀/寫方法，至少包含以下步驟： 自該紀錄媒體讀出一第一相容性版本資訊及一第 容性版本資訊； 自該讀出之第一版本資訊相容性決定對該對應紀 體之可存取性的可能性，依據決定該可存取性之可能 結果決定是否存取該紀錄媒體；及 如果自該第一相容性版本資訊決定該紀錄媒體係 取，則自該第二相容性版本資訊決定資料是否可寫於 應紀錄媒體上，且依據該對應決定之結果決定是否寫 料， 其中該第二相容性版本資訊可具有一在該第一相 版本資訊之一特定值中的變數值。 17.如申請專利範圍第16項所述之讀/寫方法，其中該 相容性版本資訊在每次該值改變時，改變用於該資 入的條件。 18.如申請專利範圍第11項所述之讀/寫方法，更包含 步驟： 如果在決定是否寫入該資料之該步驟中根據該第 容性版本資訊決定該資料寫入係不可能，其根據一已 二相 錄媒 性的 可存 該對 該資 容性 第二 料寫 以下 二相 指定 28 200540834 之控制資訊決定是否符合一特定寫入條件；及 在該決定步驟中，如果符合該特定寫入條件，則執行 該資料寫入。 1 9.如申請專利範圍第1 8項所述之讀/寫方法，其中該控制 資訊係寫入策略參數資訊。200540834 information includes write policy parameter information. 16. A reading / writing method for a recording medium including at least the following steps: reading a first compatible version information and a first capacitive version information from the recording medium; and reading the first version information from the recording medium. Capability determines the possibility of accessibility to the corresponding genre, decides whether to access the recording medium based on the possible outcome of determining the accessibility; and if the recording medium is determined from the first compatible version information If yes, the second compatible version information is used to determine whether the data can be written on the recordable media, and whether to write the material according to the result of the corresponding decision. The second compatible version information may have a Variable value in a specific value of the first phase version information. 17. The read / write method according to item 16 of the scope of patent application, wherein the compatible version information changes the conditions for the investment each time the value is changed. 18. The read / write method described in item 11 of the scope of patent application, further comprising steps: if it is impossible to determine the writing of the data based on the capacitive version information in the step of determining whether to write the data, the The following two-phase designation 28 200540834 is used to determine whether a specific writing condition is met according to the two-phase recording media that can be stored for the capacitive second material; and in the decision step, if the specific Write condition, the data is written. 19 9. The read / write method as described in item 18 of the scope of patent application, wherein the control information is written into policy parameter information. 20. —種紀錄媒體的讀/寫方法，其至少包含以下步驟： 自該紀錄媒體讀出包括寫入相容性版本資訊之讀/寫 控制資訊； 從該已讀出之寫入相容性版本資訊決定該對應紀錄媒 體之寫入相容性的可能性，如果該寫入相容性係在一橋接 相容狀態，從該讀出控制資訊中的寫入策略資訊決定在一 特定速度寫入是否可能；且 只有在該決定之結果為該紀錄媒體對於該特定速度係 寫入相容時，以該特定速度施行該寫入。 2 1 . —種紀錄媒體讀/寫設備，其至少包含： 一控制單元，其自一紀錄媒體讀出一第一相容性版本 資訊及一第二相容性版本資訊，該控制單元自該讀出版本 資訊決定該對應紀錄媒體之寫入相容性及讀出相容性的可 能性，該控制單元根據該決定之結果傳送一讀及/或寫命 令；及 2920. A read / write method for a recording medium, which includes at least the following steps: reading read / write control information including write compatibility version information from the record medium; and reading compatibility from the read write The version information determines the possibility of write compatibility of the corresponding recording medium. If the write compatibility is in a bridge compatible state, the write strategy information from the read control information determines a write at a specific speed. Whether the input is possible; and only if the result of the decision is that the recording medium is compatible for the specific speed writing, the writing is performed at the specific speed. 2 1. A recording medium reading / writing device, which at least includes: a control unit that reads out a first compatible version information and a second compatible version information from a recording medium, the control unit The read-out version information determines the write compatibility and read-out compatibility possibility of the corresponding recording medium, and the control unit transmits a read and / or write command according to the result of the decision; and 29 200540834 一讀/寫單元，其依據來自該控制單元之該1 命令施行一讀及/或寫； 其中該第一相容性版本資訊係比該第二相容 決定。 2 2 .如申請專利範圍第21項所述之紀錄媒體讀/寫 中如果當該決定之結果為該紀錄媒體係非讀/ 該控制單元輸出一指示該讀/寫相容性之不可 制信號。 23. —種紀錄媒體，其至少包含一管理區域，該管 有紀錄於其内之讀/寫控制資訊，其中該控制 該對應紀錄媒體之版本資訊，其中該版本資訊 於決定資料之寫及/或讀相容性的第一相容 訊，及一第二相容性版本資訊，且其中只要維 相容性版本資訊，該第二相容性版本資訊係可 2 4.如申請專利範圍第23項所述之紀錄媒體，其 相容性版本資訊係用於決定寫及/或讀資料之 能性之資訊，且其中該第二相容性版本資訊係 在由該第一相容性版本資訊所指之版本中的 入的可能性。 賣及/或寫 性版本先 設備，其 寫相容， 能性的控 理區域具 資訊包括 包括一用 性版本資 持該第一 改變。 中該第一 存取的可 用於決定 資料之寫 30 200540834200540834 A read / write unit that performs a read and / or write based on the 1 command from the control unit; wherein the first compatible version information is determined more than the second compatible. 2 2. If the recording medium is read / write as described in item 21 of the scope of patent application, if the result of the decision is that the recording medium is non-read / the control unit outputs an uncontrollable signal indicating the read / write compatibility . 23. —A recording medium, which includes at least a management area, which holds the read / write control information recorded therein, wherein the version information of the corresponding recording medium is controlled, wherein the version information is used to determine the writing of the data and / Or read compatibility first compatibility information and a second compatibility version information, and as long as the compatibility compatibility version information is maintained, the second compatibility version information is available. The compatibility version information of the recording medium described in item 23 is information for determining the capability of writing and / or reading data, and the second compatibility version information is determined by the first compatibility version. The possibility of entry in the version to which the information refers. Selling and / or writing a version-first device, its write-compatible, capable control area information includes a usable version to support the first change. The first access can be used to determine the writing of data 30 200540834 2 5 .如申請專利範圍第2 3項所述之紀錄媒體，其中該控制 資訊更包含紀錄速度及寫入策略資訊。 2 6.如申請專利範圍第2 5項所述之紀錄媒體，其中該控制 資訊包括一關連該紀錄速度或該寫入策略資訊之控制 資訊組的序列號碼。 3125. The recording medium described in item 23 of the scope of patent application, wherein the control information further includes recording speed and writing strategy information. 2 6. The recording medium according to item 25 of the scope of patent application, wherein the control information includes a serial number of a control information group related to the recording speed or the write strategy information. 31
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