JP2007251962A5 - - Google Patents
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- JP2007251962A5 JP2007251962A5 JP2007095999A JP2007095999A JP2007251962A5 JP 2007251962 A5 JP2007251962 A5 JP 2007251962A5 JP 2007095999 A JP2007095999 A JP 2007095999A JP 2007095999 A JP2007095999 A JP 2007095999A JP 2007251962 A5 JP2007251962 A5 JP 2007251962A5
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- JP
- Japan
- Prior art keywords
- information
- digital
- state
- copy
- audio
- Prior art date
- 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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Claims (8)
前記映像情報または音声情報をコピーすることを許すか否かを示すコピー制御情報と、前記映像情報または音声情報の保護を行うかどうかを示す第２の制御情報とを生成する情報生成手段と、
前記映像情報または音声情報をスクランブルするスクランブル手段と、
スクランブルされた前記映像情報または音声情報、前記コピー制御情報と前記第２の制御情報を送信する送信手段とを備え、
前記コピー制御情報と前記第２の制御情報は、組み合わせにより、コピーを禁止する第１の状態と、暗号化して１世代のコピーを許す第２の状態と、暗号化して無制限のコピーを許す第３の状態と、暗号化することなく無制限のコピーを許す第４の状態とを示す情報であることを特徴とするディジタル情報送信装置。 In a digital information transmitting apparatus that scrambles and transmits digital information including video information or audio information,
And the copy control information indicating whether allow copying the video information or audio information, and information generating means for generating a second control information indicating whether to protection of the video information or audio information,
Scrambling means for scrambling the video information or audio information ;
A transmission means for transmitting the scrambled video information or audio information, the copy control information, and the second control information ;
The copy control information and the second control information are combined to form a first state in which copying is prohibited, a second state in which one copy is permitted by encryption, and an unlimited copy in which encryption is permitted. 3. A digital information transmitting apparatus, characterized in that the information is a state 3 and a fourth state in which unlimited copying is allowed without encryption .
前記ディジタル情報はディジタル放送信号であることを特徴とするディジタル情報送信装置。 The digital information transmitting apparatus according to claim 1,
A digital information transmitting apparatus, wherein the digital information is a digital broadcast signal.
前記映像情報または音声情報をコピーすることを許すか否かを示すコピー制御情報と、前記映像情報または音声情報の保護を行うかどうかを示す第２の制御情報とを生成し、
前記映像情報または音声情報をスクランブルし、
スクランブルされた前記映像情報または音声情報、前記コピー制御情報と前記第２の制御情報をディジタル情報として送信し、
前記コピー制御情報と前記第２の制御情報は、組み合わせにより、コピーを禁止する第１の状態と、暗号化して１世代のコピーを許す第２の状態と、暗号化して無制限のコピーを許す第３の状態と、暗号化することなく無制限のコピーを許す第４の状態とを示す情報であることを特徴とするディジタル情報送信方法。 In a digital information transmission method for transmitting digital information including video information or audio information,
Generating copy control information indicating whether or not to allow the video information or audio information to be copied, and second control information indicating whether or not to protect the video information or audio information ;
Scramble the video information or audio information ;
Send scrambled the video information or audio information, wherein the copy control information and the second control information as digital information,
The copy control information and the second control information are combined to form a first state in which copying is prohibited, a second state in which one copy is permitted by encryption, and an unlimited copy in which encryption is permitted. 3. A digital information transmission method, characterized in that the information is information indicating a state 3 and a fourth state permitting unlimited copying without encryption .
前記ディジタル情報はディジタル放送信号であることを特徴とするディジタル情報送信方法。 The digital information transmission method according to claim 3,
A digital information transmitting method, wherein the digital information is a digital broadcast signal.
前記ディジタル情報には、前記映像情報または音声情報をコピーすることを許すか否かを示すコピー制御情報と、前記映像情報または音声情報の保護を行うかどうかを示す第２の制御情報とを含み、The digital information includes copy control information indicating whether or not the video information or audio information is allowed to be copied, and second control information indicating whether or not the video information or audio information is to be protected. ,
前記ディジタル情報を受信する受信手段と、Receiving means for receiving the digital information;
受信した前記ディジタル情報に含まれる前記映像情報または音声情報をデスクランブルするデスクランブル手段と、Descrambling means for descrambling the video information or audio information included in the received digital information;
受信した前記ディジタル情報から、前記コピー制御情報と前記第２の制御情報を検出する検出手段と、Detecting means for detecting the copy control information and the second control information from the received digital information;
前記検出手段によって検出された前記コピー制御情報と前記第２の制御情報との組み合わせにより前記映像情報または音声情報の記録の制御を行う制御手段とを備え、Control means for controlling recording of the video information or audio information by a combination of the copy control information detected by the detection means and the second control information;
前記制御手段は、前記コピー制御情報と前記第２の制御情報の組み合わせにより、コピーを禁止する第１の状態と、暗号化して１世代のコピーを許す第２の状態と、暗号化して無制限のコピーを許す第３の状態と、暗号化することなく無制限のコピーを許す第４の状態とを制御することを特徴とするディジタル情報受信装置。The control means includes a first state in which copying is prohibited by a combination of the copy control information and the second control information, a second state in which one copy is permitted after encryption, and an unlimited number in encryption. A digital information receiving apparatus that controls a third state in which copying is permitted and a fourth state in which unlimited copying is permitted without encryption.
前記ディジタル情報はディジタル放送信号であることを特徴とするディジタル情報受信装置。A digital information receiving apparatus, wherein the digital information is a digital broadcast signal.
前記ディジタル情報には、前記映像情報または音声情報をコピーすることを許すか否かを示すコピー制御情報と、前記映像情報または音声情報の保護を行うかどうかを示す第２の制御情報とを含み、The digital information includes copy control information indicating whether or not the video information or audio information is allowed to be copied, and second control information indicating whether or not the video information or audio information is to be protected. ,
前記ディジタルを受信し、Receiving the digital,
受信した前記ディジタル情報に含まれる前記映像情報または音声情報をデスクランブルし、Descrambling the video information or audio information included in the received digital information;
受信した前記ディジタル情報から、前記コピー制御情報と前記第２の制御情報を検出し、Detecting the copy control information and the second control information from the received digital information;
前記検出された前記コピー制御情報と前記第２の制御情報との組み合わせにより前記映像情報または音声情報の記録の制御を行い、Control the recording of the video information or audio information by a combination of the detected copy control information and the second control information,
前記コピー制御情報と前記第２の制御情報は、組み合わせにより、コピーを禁止する第１の状態と、暗号化して１世代のコピーを許す第２の状態と、暗号化して無制限のコピーを許す第３の状態と、暗号化することなく無制限のコピーを許す第４の状態とを有することを特徴とするディジタル情報受信方法。The copy control information and the second control information are combined to form a first state in which copying is prohibited, a second state in which one copy is permitted by encryption, and an unlimited copy in which encryption is permitted. 3. A digital information receiving method, comprising: a third state; and a fourth state that allows unlimited copying without encryption.
前記ディジタル情報はディジタル放送信号であることを特徴とするディジタル情報受信方法。A digital information receiving method, wherein the digital information is a digital broadcast signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007095999A JP4340694B2 (en) | 2007-04-02 | 2007-04-02 | Digital information transmitting apparatus, digital information transmitting method, digital information receiving apparatus, and digital information receiving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007095999A JP4340694B2 (en) | 2007-04-02 | 2007-04-02 | Digital information transmitting apparatus, digital information transmitting method, digital information receiving apparatus, and digital information receiving method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001057628A Division JP4299976B2 (en) | 2001-03-02 | 2001-03-02 | Digital information recording device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007251962A JP2007251962A (en) | 2007-09-27 |
| JP2007251962A5 true JP2007251962A5 (en) | 2008-05-29 |
| JP4340694B2 JP4340694B2 (en) | 2009-10-07 |
Family
ID=38595710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007095999A Expired - Lifetime JP4340694B2 (en) | 2007-04-02 | 2007-04-02 | Digital information transmitting apparatus, digital information transmitting method, digital information receiving apparatus, and digital information receiving method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4340694B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7311675B2 (en) * | 2020-07-27 | 2023-07-19 | マクセル株式会社 | Information processing method |
-
2007
- 2007-04-02 JP JP2007095999A patent/JP4340694B2/en not_active Expired - Lifetime
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