JP2005346806A - Dvdレコーダおよび記録再生装置 - Google Patents
Dvdレコーダおよび記録再生装置 Download PDFInfo
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- JP2005346806A JP2005346806A JP2004164038A JP2004164038A JP2005346806A JP 2005346806 A JP2005346806 A JP 2005346806A JP 2004164038 A JP2004164038 A JP 2004164038A JP 2004164038 A JP2004164038 A JP 2004164038A JP 2005346806 A JP2005346806 A JP 2005346806A
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- Prior art keywords
- data
- password
- dvd
- input
- recording
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- 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
Abstract
【解決手段】データの書き換えが可能であって且つ放射方向のレーザカッティングによってデータが示されるカッティングデータエリアが形成された光ディスク1を対象としてデータの記録再生を行う構成において、光ディスク1の再生を不能化する指示が入力されたときには、ピックアップ3によるトラックに沿ったデータの消去を、光ディスク1の半径方向においてカッティングデータエリアが形成された範囲に対して行う。
【選択図】 図1
Description
3 ピックアップ
9 パスワード記憶手段
S4 パスワードの入力を求めるステップ
S6 パスワードの一致を調べるステップ
S8 再生の不能化の確認を求めるステップ
S10 再生の不能化を行うステップ
Claims (4)
- データの書き換えが可能であって且つ放射方向のレーザカッティングによってデータが示されるNBCAが形成されたDVDを対象として、データの記録再生を行うDVDレコーダにおいて、
予め入力されたパスワードを記憶するパスワード記憶手段を備え、
DVDの再生を不能化する指示が入力されたときにはパスワードの入力を求め、入力されたパスワードがパスワード記憶手段に記憶されたパスワードに一致すると再生の不能化の確認を求める表示を行い、前記表示に対応して再生の不能化の指示が入力されたときには、ピックアップによるトラックに沿ったデータの消去を、DVDの半径方向においてNBCAが形成された範囲に対して行うことを特徴とするDVDレコーダ。 - データの書き換えが可能であって且つ放射方向のレーザカッティングによってデータが示されるカッティングデータエリアが形成された光ディスクを対象として、データの記録再生を行う記録再生装置において、
光ディスクの再生を不能化する指示が入力されたときには、ピックアップによるトラックに沿ったデータの消去を、光ディスクの半径方向においてカッティングデータエリアが形成された範囲に対して行うことを特徴とする記録再生装置。 - 予め入力されたパスワードを記憶するパスワード記憶手段を備え、
入力されたパスワードがパスワード記憶手段に記憶されたパスワードに一致するときに前記消去を行うことを特徴とする請求項2記載の記録再生装置。 - 光ディスクの再生の不能化の指示が入力されたときには不能化の確認を求める表示を行い、前記表示に対応して不能化の指示が入力されたときに前記消去を行うことを特徴とする請求項2または請求項3記載の記録再生装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004164038A JP2005346806A (ja) | 2004-06-02 | 2004-06-02 | Dvdレコーダおよび記録再生装置 |
US11/141,042 US20050270948A1 (en) | 2004-06-02 | 2005-06-01 | DVD recorder and recording and reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004164038A JP2005346806A (ja) | 2004-06-02 | 2004-06-02 | Dvdレコーダおよび記録再生装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005346806A true JP2005346806A (ja) | 2005-12-15 |
Family
ID=35448789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004164038A Pending JP2005346806A (ja) | 2004-06-02 | 2004-06-02 | Dvdレコーダおよび記録再生装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20050270948A1 (ja) |
JP (1) | JP2005346806A (ja) |
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-
2004
- 2004-06-02 JP JP2004164038A patent/JP2005346806A/ja active Pending
-
2005
- 2005-06-01 US US11/141,042 patent/US20050270948A1/en not_active Abandoned
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Publication number | Publication date |
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US20050270948A1 (en) | 2005-12-08 |
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