Title:
データ送信デバイス、データ受信デバイス、情報処理装置およびデータ送信方法
Document Type and Number:
Japanese Patent JP4033901
Kind Code:
B2
Abstract:
A data transmitting device capable of performing copyright protection processing, when digital data retrieved from the information recording medium is AV data, which includes: an interface section for receiving information specifying the digital data to be output and the data receiving device and for outputting the digital data via the digital interface; a judgment section for judging whether or not the digital data includes video information; an authentication section for authenticating whether not the data receiving device is a proper data receiving device having a function of converting digital data into video data based on authentication data output from the data receiving device; a data retrieval section for retrieving the specified digital data from an external medium; and a control section for controlling the interface section to output the digital data via the digital interface only when the judgment section judges that the digital data includes video information and the authentication section authenticates that the data receiving device is the proper data receiving device. A data transmitting method, a data receiving device, an information processing apparatus, and an information recording medium are also provided.
Inventors:
Kazuhiko Yamauchi
Hiroshi Ueda
Masayuki Kozuka
Fukushima Nohisa
Makoto Tatebayashi
Shunji Harada
Koichiro Endo
Hiroshi Ueda
Masayuki Kozuka
Fukushima Nohisa
Makoto Tatebayashi
Shunji Harada
Koichiro Endo
Application Number:
JP51490597A
Publication Date:
January 16, 2008
Filing Date:
October 04, 1996
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
H04N5/91; G06F21/00; G11B19/02; G11B20/00; G11B20/12; G11B27/034; G11B27/10; G11B27/30; G11B27/32; H04N5/913; H04N5/92; H04N7/14; H04N9/804; G06F1/00; H04N5/85; H04N9/82
Domestic Patent References:
| JP6124539A | ||||
| JP7021697A |
Attorney, Agent or Firm:
Hidesaku Yamamoto