Title:
CONTENT RECORDING DEVICE, REPRODUCING DEVICE, EDITING DEVICE, AND METHOD THEREOF
Document Type and Number:
Japanese Patent JP2011086098
Kind Code:
A
Abstract:
To provide a content recording device, a reproducing device, an editing device, and a method of editing, with which contents other than desired parts can remain usable without making the contents unusable when recording, reproducing or editing videos and music, i.e. contents.
With the content recording device, the reproducing device, the editing device and the method for editing, a hash value of read management data is calculated when editing or reproducing the contents recorded in a recording medium and is compared with the hash value recorded beforehand in a protecting region of the recording medium. If both the hash values are identical, editing or reproducing the contents is permitted.
Inventors:
SATO JUN
KATO HIROSHI
MATSUKAWA SHINICHI
NAGAI YUJI
KATO HIROSHI
MATSUKAWA SHINICHI
NAGAI YUJI
Application Number:
JP2009238182A
Publication Date:
April 28, 2011
Filing Date:
October 15, 2009
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
G06F21/10; G06F21/62; G06F21/64; G11B20/10; H04N5/91
Domestic Patent References:
| JP2006197581A | 2006-07-27 |
Attorney, Agent or Firm:
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen
Previous Patent: OBSTACLE DETECTION DEVICE
Next Patent: METHOD OF GENERATING MOVEMENT PATH DATA OF MOVABLE BODY
Next Patent: METHOD OF GENERATING MOVEMENT PATH DATA OF MOVABLE BODY