JP2008042941A5 - - Google Patents
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- JP2008042941A5 JP2008042941A5 JP2007240397A JP2007240397A JP2008042941A5 JP 2008042941 A5 JP2008042941 A5 JP 2008042941A5 JP 2007240397 A JP2007240397 A JP 2007240397A JP 2007240397 A JP2007240397 A JP 2007240397A JP 2008042941 A5 JP2008042941 A5 JP 2008042941A5
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- JP
- Japan
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- signal
- output
- information
- digital video
- control information
- Prior art date
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Claims (14)
上記ディジタル映像情報には、上記ディジタル映像情報のコピーの制限を示す第１の制御情報と、上記ディジタル映像情報の出力における保護の有無を示す第２の制御情報とが付随しており、
上記第１の制御情報と上記第２の制御情報とを検出する制御情報検出手段と、
上記ディジタル映像情報をディジタル映像信号またはアナログ映像信号として外部へ出力する出力手段と、
上記制御情報検出手段で検出された制御情報に応じて上記出力手段の出力を制御する制御手段とを備え、
上記制御手段は、上記第１の制御情報によって上記ディジタル映像情報のコピーの制限が指定されているときあるいは上記第２の制御情報によって上記ディジタル映像情報の出力における保護が指定されているときに、上記出力手段より出力される信号が上記ディジタル映像信号の場合は暗号化により保護が行われているときのみ出力し、上記出力手段より出力される信号が上記アナログ映像信号でコピーを制限する信号を付加する形式の信号である場合は上記第１の制御情報に応じてコピーを制限する信号を付加して出力し、上記出力手段より出力される信号が上記アナログ映像信号でコピーを制限する信号を伴わない形式の信号である場合は解像度を制限して出力することを特徴とする情報出力装置。 An information output device for outputting received digital video information or digital video information reproduced from a storage medium to the outside,
The digital video information is accompanied by first control information indicating restriction on copying of the digital video information and second control information indicating presence / absence of protection in the output of the digital video information,
Control information detecting means for detecting the first control information and the second control information ;
Output means for outputting the digital video information to the outside as a digital video signal or an analog video signal ;
Control means for controlling the output of the output means according to the control information detected by the control information detection means,
When the control means, the protection at the output of the digital video information is specified by or said second control information when the above first control information is copy restriction of the digital image information is designated, signal output from said output means outputs only when protected by encryption is performed in the case of the digital video signal, the signal output from said output means a signal for limiting the copy the analog video signal If a signal format to be added to the output by adding the signal to limit copying in accordance with the first control information, signals outputted from said output means a signal for limiting the copy the analog video signal An information output device characterized in that, when the signal is not accompanied by a signal, the resolution is limited and output.
上記ディジタル映像情報には、上記ディジタル映像情報のコピーの制限を示す第１の制御情報と、上記ディジタル映像情報の出力における保護の有無を示す第２の制御情報とが付随しており、
上記第１の制御情報によって上記ディジタル映像情報のコピーの制限が指定されているときあるいは上記第２の制御情報によって上記ディジタル映像情報の出力における保護が指定されているときに、出力される信号が上記ディジタル映像信号の場合は暗号化により保護が行われているときのみ出力し、出力される信号が上記アナログ映像信号でコピーを制限する信号を付加する形式の信号である場合は上記第１の制御情報に応じてコピーを制限する信号を付加して出力し、出力される信号が上記アナログ映像信号でコピーを制限する信号を伴わない形式の信号である場合は解像度を制限して出力することを特徴とする情報出力方法。 An information output method for outputting received digital video information or digital video information reproduced from a storage medium to the outside as a digital video signal or an analog video signal ,
The digital video information is accompanied by first control information indicating restriction on copying of the digital video information and second control information indicating presence / absence of protection in the output of the digital video information,
When the protection at the output of the digital video information or by the second control information when the above first control information is copy restriction of the digital image information is designated is specified, signal to be output for the digital video signal to output only when the protection by the encryption is performed, if the signal output is a signal format for adding a signal to limit copying the analog video signal is the first by adding a signal for limiting the copy output in accordance with the control information, if the signal output is a signal format without the signal to limit copying the analog video signal to output limits the resolution An information output method characterized by the above.
上記ディジタル映像情報を受信し、
上記第１の制御情報によって上記ディジタル映像情報のコピーの制限が指定されているときあるいは上記第２の制御情報によって上記ディジタル映像情報の出力における保護が指定されているときに、出力される信号が上記ディジタル映像信号の場合は暗号化により保護が行われているときのみ出力し、出力される信号が上記アナログ映像信号でコピーを制限する信号を付加する形式の信号である場合は上記第１の制御情報に応じてコピーを制限する信号を付加して出力し、出力される信号が上記アナログ映像信号でコピーを制限する信号を伴わない形式の信号である場合は解像度を制限して出力することを特徴とする情報送受信方法。 The digital video information transmitted in the first control information indicating the restriction of copy of the digital video information, the second control information indicating the presence or absence of protection when receiving and outputting the digital video information,
Receiving the digital video information,
When the protection at the output of the digital video information or by the second control information when the above first control information is copy restriction of the digital image information is designated is specified, signal to be output for the digital video signal to output only when the protection by the encryption is performed, if the signal output is a signal format for adding a signal to limit copying the analog video signal is the first by adding a signal for limiting the copy output in accordance with the control information, if the signal output is a signal format without the signal to limit copying the analog video signal to output limits the resolution An information transmission / reception method characterized by the above.
上記ディジタル映像情報のコピーの制限を示す第１の制御情報と、
上記ディジタル映像情報を受信して出力するときの出力信号の保護の有無を示す第２の制御情報と、
上記ディジタル映像情報を受信して出力するときの出力信号の解像度制限の有無を示す第３の制御情報とを生成し、
上記第１の制御情報と上記第２の制御情報と上記第３の制御情報を、上記ディジタル映像情報とともに送信することを特徴とする情報送信方法。 In an information transmission method for transmitting digital video information,
First control information indicating restrictions on copying of the digital video information;
Second control information indicating whether or not the output signal is protected when the digital video information is received and output;
Generating third control information indicating whether or not there is resolution limitation of the output signal when receiving and outputting the digital video information;
An information transmission method comprising: transmitting the first control information, the second control information, and the third control information together with the digital video information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007240397A JP4238928B2 (en) | 2007-09-18 | 2007-09-18 | Information output device, information output method, information transmission / reception method, and information transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007240397A JP4238928B2 (en) | 2007-09-18 | 2007-09-18 | Information output device, information output method, information transmission / reception method, and information transmission method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002022675A Division JP4042419B2 (en) | 2002-01-31 | 2002-01-31 | Information output apparatus and information output method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008042941A JP2008042941A (en) | 2008-02-21 |
| JP2008042941A5 true JP2008042941A5 (en) | 2008-06-19 |
| JP4238928B2 JP4238928B2 (en) | 2009-03-18 |
Family
ID=39177367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007240397A Expired - Lifetime JP4238928B2 (en) | 2007-09-18 | 2007-09-18 | Information output device, information output method, information transmission / reception method, and information transmission method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4238928B2 (en) |
-
2007
- 2007-09-18 JP JP2007240397A patent/JP4238928B2/en not_active Expired - Lifetime
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