公开(公告)号：WO2005060258A3

公开(公告)日：2005-10-06

申请号：PCT/JP2004018162

申请日：2004-12-06

Applicant: SONY CORP ,  MATSUSHITA ELECTRIC IND CO LTD ,  KITAZATO NAOHISA ,  YAMASHITA MASAMI ,  TOKUDA KATSUMI ,  MURAKAMI HIROKI ,  YAMAMOTO MASAYA ,  MIURA KOUJI

Inventor： KITAZATO NAOHISA ,  YAMASHITA MASAMI ,  TOKUDA KATSUMI ,  MURAKAMI HIROKI ,  YAMAMOTO MASAYA ,  MIURA KOUJI

IPC: G06F21/60 ,  G06F21/62 ,  G06Q30/06 ,  G06Q50/00 ,  G06Q50/10 ,  H04L9/08 ,  H04N7/16 ,  H04N7/167 ,  H04N21/21 ,  H04N21/2347 ,  H04N21/266 ,  H04N21/4405 ,  H04N21/4623 ,  H04N21/6405 ,  G06F12/14 ,  G06F17/60

CPC classification number: H04N21/8355 ,  H04N21/2541 ,  H04N21/26606 ,  H04N21/6405 ,  H04N21/835 ,  H04N21/8549

Abstract: There is provided a content distribution system using the Internet employing the multi-cast method. Information on each sub license of a main body of ECM (Entitlement Control Message) includes a license ID which is sub license identification information, type information indicating whether the sub license is for preview or main view, and a location indicating the storage position (the number of bytes from the head of the ECM main body) in the license section of the sub license. The license section contains the sub license.

Abstract translation: 提供了一种使用采用多播方法的因特网的内容分发系统。 关于ECM主体（权利控制消息）的每个子许可证的信息包括作为子许可证标识信息的许可证ID，指示子许可证用于预览还是主视图的类型信息，以及指示存储位置的位置（ 子许可证的许可证部分中来自ECM主体头部的字节数）。 许可证部分包含子许可证。

公开(公告)号：EP1693761A4

公开(公告)日：2012-04-18

申请号：EP04818920

申请日：2004-11-17

Applicant: PANASONIC CORP ,  SONY CORP

Inventor： YAMAMOTO MASAYA ,  MIURA KOUJI ,  TOKUDA KATSUMI ,  YAMASHITA MASAMI ,  YAMAGISHI YASUAKI ,  KITAZATO NAOHISA

IPC: G06F12/14 ,  G11B20/00 ,  G06F12/08 ,  G06F21/10 ,  G06F21/62 ,  G06F21/75 ,  G06F21/86 ,  G11B20/10 ,  H04L9/08 ,  H04N7/16 ,  H04N21/8355

CPC classification number: G11B20/00731 ,  G06F12/0866 ,  G06F21/10 ,  G11B20/00086 ,  G11B20/00181 ,  G11B20/0021 ,  G11B20/00253 ,  G11B20/00746 ,  G11B20/00789 ,  G11B20/00797 ,  G11B20/0084 ,  G11B20/00847 ,  G11B2220/2562 ,  H04N21/8355

Abstract: The object is to provide a data structure appropriate for performing rights management for multimedia-type contents, to further provide a recording medium containing data with the data structure, a reproduction device and a reproduction method for reproducing the data. The present invention is a computer-readable recording medium having recorded thereon license data for permitting a computer to use contents data comprising a plurality of resources, and the license data includes a resource-based use condition configuration structure, in which a use condition is set for the computer with respect to each of resources.

公开(公告)号：AU9748401A

公开(公告)日：2002-07-04

申请号：AU9748401

申请日：2001-12-27

Applicant: SONY CORP

Inventor： KAMIYA SHIGEKI ,  YAMASHITA MASAMI

IPC: G06F21/00 ,  G06F21/10 ,  G06F21/16 ,  G06F21/62 ,  G11B20/00 ,  H04L9/00 ,  H04L9/08 ,  H04N5/913 ,  H04N7/16 ,  H04N7/167 ,  H04N7/173 ,  H04N21/2347 ,  H04N21/254 ,  H04N21/4405 ,  H04N21/6334 ,  H04N21/835

Abstract: A digital data delivery method for use in delivering digital data from an upstream system to a downstream system, said upstream system providing multipoint delivery of encrypted digital data to specific destinations, and said downstream system decrypting the delivered digital data, said method comprising the steps of: encrypting digital data by said upstream system using an encryption key; generating a plurality of pieces of key information on the basis of said encryption key, respective pieces of said key information being specific to each of said specific destinations; delivering said respective pieces of key information to each of said specific destinations over a plurality of delivery routes which differ from routes for delivering said digital data and which are further different from each other; delivering the encrypted digital data; restoring said encryption key by said downstream system using said respective pieces of key information delivered over said plurality of delivery routes; and using the restored encryption key to decrypt the encrypted digital data.

公开(公告)号：GB2277011B

公开(公告)日：1997-10-22

申请号：GB9406472

申请日：1994-03-31

Applicant: SONY CORP

Inventor： YAMASHITA MASAMI

IPC: H03M13/15 ,  H03M13/23 ,  H04H20/00 ,  H04H20/74 ,  H04J99/00 ,  H04L1/00 ,  H03M13/00 ,  H04L5/14 ,  H04N7/167 ,  H04N7/24 ,  H04N7/52 ,  H04N7/56 ,  H04N21/2383 ,  H04N21/438 ,  H03M13/12 ,  H04H1/00 ,  H04N7/20

Abstract: A digital multiplex transmission system wherein the rate of convolution codes can be changed over in accordance with an object of a user without changing the transmission rate. A frame for transmitting system data, first preliminary data, second preliminary data, scramble control data, audio data, video data and Reed-Solomon codes is constructed by allocation of them such that a boundary between each adjacent region may make a vertical straight line. Data of such a frame are coded by convolution coding and then transmitted. When the transmission line is in a deteriorated condition, the rate of the convolution codes is reduced to increase the correcting faculty for the convolution codes. In contrast, when the transmission line is in a good condition, the rate of the convolution codes is increased to transmit a large amount of data.

公开(公告)号：AU9748001A

公开(公告)日：2002-07-04

申请号：AU9748001

申请日：2001-12-27

Applicant: SONY CORP

Inventor： KAMIYA SHIGEKI ,  YAMASHITA MASAMI

IPC: H04L9/00

公开(公告)号：AU602054B2

公开(公告)日：1990-09-27

申请号：AU1115288

申请日：1988-02-01

Applicant: SONY CORP

Inventor： MATSUZAKI ATSUSHI ,  TAGAWA KOICHI ,  YAMASHITA MASAMI ,  KONDO YOSHIYUKI

IPC: B64D11/00 ,  G07C3/00 ,  G08B26/00 ,  H04N7/173 ,  H04H1/02 ,  H04N7/18 ,  H04N7/10 ,  H04B1/00

Abstract: A passenger vehicle polling system is capable of polling one or more terminal units (30), where each terminal unit is provided at a different one of a plurality of passenger seats in a passenger vehicle such as an aircraft, to obtain information indicative of the state of each terminal unit (30). The polling is accomplished by transmitting a polling command signal from a head end apparatus through a transmission line (21) to the terminal units (30). Preferably, a sensor (39) is mounted adjacent each passenger seat to sense the status of the passenger seat. The sensed information is transmitted as a polling answer signal through the transmission line (21) to the head end apparatus so that the status of each passenger seat and the condition of each passenger can be checked at the head end apparatus, such as on a monitor display (81). Further, the system may transmit audio and video programmes to the terminal units (30), and the polling answer signal may indicate which audio or video programme has been selected at each terminal unit (30).

公开(公告)号：HK1050282B

公开(公告)日：2009-07-10

申请号：HK03100723

申请日：2003-01-28

Applicant: SONY CORP

Inventor： KAMIYA SHIGEKI ,  YAMASHITA MASAMI

IPC: H04L20060101 ,  G06F21/00 ,  G06F21/10 ,  G06F21/16 ,  G06F21/62 ,  G11B20/00 ,  H04L9/00 ,  H04L9/08 ,  H04N5/913 ,  H04N7/16 ,  H04N7/167 ,  H04N7/173 ,  H04N21/2347 ,  H04N21/254 ,  H04N21/4405 ,  H04N21/6334 ,  H04N21/835

公开(公告)号：DE60115188D1

公开(公告)日：2005-12-29

申请号：DE60115188

申请日：2001-12-24

Applicant: SONY CORP

Inventor： KAMIYA SHIGEKI ,  YAMASHITA MASAMI

IPC: G06F21/00 ,  G06F21/10 ,  G06F21/16 ,  G06F21/62 ,  G11B20/00 ,  H04L9/00 ,  H04L9/08 ,  H04N5/913 ,  H04N7/16 ,  H04N7/167 ,  H04N7/173 ,  H04N21/2347 ,  H04N21/254 ,  H04N21/4405 ,  H04N21/6334 ,  H04N21/835

Abstract: A digital data delivery method for use in delivering digital data from an upstream system to a downstream system, said upstream system providing multipoint delivery of encrypted digital data to specific destinations, and said downstream system decrypting the delivered digital data, said method comprising the steps of: encrypting digital data by said upstream system using an encryption key; generating a plurality of pieces of key information on the basis of said encryption key, respective pieces of said key information being specific to each of said specific destinations; delivering said respective pieces of key information to each of said specific destinations over a plurality of delivery routes which differ from routes for delivering said digital data and which are further different from each other; delivering the encrypted digital data; restoring said encryption key by said downstream system using said respective pieces of key information delivered over said plurality of delivery routes; and using the restored encryption key to decrypt the encrypted digital data.

公开(公告)号：DE60115188T2

公开(公告)日：2006-08-10

申请号：DE60115188

申请日：2001-12-24

Applicant: SONY CORP

Inventor： KAMIYA SHIGEKI ,  YAMASHITA MASAMI

IPC: H04L9/08 ,  G06F21/00 ,  G06F21/10 ,  G06F21/16 ,  G06F21/62 ,  G11B20/00 ,  H04L9/00 ,  H04N5/913 ,  H04N7/16 ,  H04N7/167 ,  H04N7/173 ,  H04N21/2347 ,  H04N21/254 ,  H04N21/4405 ,  H04N21/6334 ,  H04N21/835

Abstract: A digital data delivery method for use in delivering digital data from an upstream system to a downstream system, said upstream system providing multipoint delivery of encrypted digital data to specific destinations, and said downstream system decrypting the delivered digital data, said method comprising the steps of: encrypting digital data by said upstream system using an encryption key; generating a plurality of pieces of key information on the basis of said encryption key, respective pieces of said key information being specific to each of said specific destinations; delivering said respective pieces of key information to each of said specific destinations over a plurality of delivery routes which differ from routes for delivering said digital data and which are further different from each other; delivering the encrypted digital data; restoring said encryption key by said downstream system using said respective pieces of key information delivered over said plurality of delivery routes; and using the restored encryption key to decrypt the encrypted digital data.

公开(公告)号：HK1050437A1

公开(公告)日：2003-06-20

申请号：HK03100722

申请日：2003-01-28

Applicant: SONY CORP

Inventor： KAMIYA SHIGEKI ,  YAMASHITA MASAMI

IPC: H04L20060101 ,  G06F21/00 ,  G06F21/10 ,  G06F21/16 ,  G06F21/62 ,  H04L9/00 ,  H04L9/08 ,  H04L29/06 ,  H04N7/16 ,  H04N7/167 ,  H04N7/173 ,  H04N21/266 ,  H04N21/436 ,  H04N21/4408 ,  H04N21/63