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    • 1. 发明授权
    • AV data transmission apparatus, AV data reception apparatus, and AV data transmission and reception system
    • AV数据发送装置,AV数据接收装置,AV数据发送接收系统
    • US08290158B2
    • 2012-10-16
    • US12420967
    • 2009-04-09
    • Yasushi AyakiTakuya NishimuraKazunari Fujiwara
    • Yasushi AyakiTakuya NishimuraKazunari Fujiwara
    • H04N7/167
    • H04N7/1675H04L9/0838H04L2209/603H04N21/4367
    • An AV data transmission apparatus includes an encryption unit which encrypts AV data, an AV data transmission unit which transmits the encrypted AV data, a cipher-type-information switching unit which switches cipher type information indicating a cipher scheme used for the AV data, to other cipher type information, and a cipher-type-information transmission unit which transmits cipher type information. When transmitting AV data which is prohibited from being used in a reception apparatus that does not support new usage control information, the AV data transmission apparatus assigns different cipher type information, which is used to notify the reception apparatus, so that even the reception apparatus which cannot recognize the new usage control information can recognize its inability to perform decryption is due to new encryption performed by the AV data transmission apparatus.
    • AV数据发送装置包括对AV数据进行加密的加密单元,发送加密的AV数据的AV数据发送单元,将表示用于AV数据的密码方式的密码类型信息切换为密码型信息切换单元, 其他密码类型信息,以及密码类型信息发送单元,其发送密码类型信息。 当发送禁止在不支持新的使用控制信息的接收装置中使用的AV数据时,AV数据发送装置分配用于通知接收装置的不同的密码类型信息,使得即使接收装置 不能识别新的使用控制信息可以识别其无法执行解密是由于AV数据传输装置执行的新加密。
    • 3. 发明申请
    • Packet transmitter apparatus
    • 分组发射机设备
    • US20070162981A1
    • 2007-07-12
    • US10582077
    • 2004-12-10
    • Yoshihiro MoriokaYasushi AyakiNaoshi Usuki
    • Yoshihiro MoriokaYasushi AyakiNaoshi Usuki
    • G06F17/30H04L9/00G06F12/14H04N7/167G06F7/04H04L9/32G06K9/00G06F11/30H03M1/68H04K1/00H04N7/16
    • H04L63/0428
    • To provide a packet transmitter apparatus which can transmit contents protected by a content protection technique such as DTCP or the like, using packets such as IP packets which have become widespread. The packet transmitter apparatus includes a transmitting condition setting management unit (404) which extracts at least one of charge information, playback control information and copy control information of AV data from the inputted non-AV data or AV data and generates, based on the extracted information, encryption mode information indicating an encryption mode which becomes a condition at the time of transmitting the AV data; an encrypted data generation unit (406) which generates encrypted data by encrypting, based on the transmitting condition, the inputted AV data and adding encryption information headers based on the encryption mode information to the encrypted AV data; and a packet generation unit (403) which generates packets by adding packet headers to the generated encrypted data. The transmitting condition is to be determined as a combination of input terminal information, data format information and attribute information.
    • 提供一种可以使用诸如DTCP等的内容保护技术保护的内容的分组发送装置,使用已经广泛使用的诸如IP分组的分组。 分组发送装置包括发送条件设定管理部(404),其从所输入的非AV数据或AV数据中提取AV数据的收费信息,回放控制信息和复制控制信息中的至少一个,并且基于所提取的 信息,指示成为发送AV数据时的条件的加密模式的加密模式信息; 加密数据生成单元,其通过基于所述发送条件加密所输入的AV数据,并且将加密信息头部基于加密模式信息加密到加密的AV数据来生成加密数据; 以及分组生成单元,其通过向所生成的加密数据添加分组报头来生成分组。 发送条件将被确定为输入终端信息,数据格式信息和属性信息的组合。
    • 4. 发明授权
    • Disk apparatus, video/audio data processor, and video/audio control method that detect audiovisual frame information to control output
    • 磁盘设备,视频/音频数据处理器以及视频/音频控制方法,用于检测视听帧信息以控制输出
    • US06785465B1
    • 2004-08-31
    • US09485881
    • 2000-05-04
    • Toshiharu KoshinoToshiki YamamuraYuji NagaishiTsukasa YoshiuraYasushi Ayaki
    • Toshiharu KoshinoToshiki YamamuraYuji NagaishiTsukasa YoshiuraYasushi Ayaki
    • H04N989
    • H04L12/40117H04N5/781H04N5/926
    • The disk apparatus and the audiovisual data processing apparatus in accordance with the present invention are apparatuses having a stream data processing function and virtually provided with each command processing function for digital VCRs so as to be capable of meeting various processing requests from external apparatuses; and they are configured so that the audiovisual frame boundaries of audiovisual data are detected, so that audiovisual data received externally and continuously is divided in audiovisual frame units in accordance with the detected audiovisual frame boundaries, and so that the data divided in audiovisual frame units is controlled so as to be stored on a disk medium. Furthermore, the audiovisual control method in accordance with the present invention is configured to carry out control so that the audiovisual frame boundaries of audiovisual data are detected, and so that audiovisual data received externally and continuously is divided in audiovisual frame units in accordance with the detected audiovisual frame boundaries.
    • 根据本发明的盘装置和视听数据处理装置是具有流数据处理功能的装置,并且虚拟地提供了数字VCR的每个命令处理功能,以便能够满足来自外部装置的各种处理请求; 它们被配置为使得视听数据的视听帧边界被检测,从而根据检测到的图像声音帧边界将外部连续地接收到的视听数据划分成视听帧单元,并且以视听帧单位划分的数据为 控制以便存储在盘介质上。此外,根据本发明的视听控制方法被配置为执行控制,使得检测到视听数据的视听帧边界,并且使得外部连续地接收到的视听数据 根据检测到的视听帧边界划分为视听帧单元。
    • 7. 发明申请
    • RECORDING AND REPRODUCING APPARATUS AND RECORDING AND REPRODUCING SYSTEM
    • 记录和再现设备和记录和再现系统
    • US20110091186A1
    • 2011-04-21
    • US12999755
    • 2009-06-18
    • Yasushi Ayaki
    • Yasushi Ayaki
    • H04N5/913
    • H04N5/913G06F21/10G11B27/105G11B2220/2516H04L63/0869H04N5/765H04N5/781H04N21/4147H04N21/4402H04N21/8355H04N2005/91321H04N2005/91364
    • A recording and reproducing apparatus (1) includes: an AV recording medium (26) recording an AV data item; a transmitting and receiving unit (21) transmitting and receiving the item and information on the item to and from an other apparatus connected to the apparatus (1) via a network; a retrieving unit (28) retrieving AV data items that indicate a same program and are recorded on the AV recording medium and in the other apparatus; a comparing unit (29) comparing image qualities of the items; and a restriction value control unit (30) moving use restriction values through the transmitting and receiving unit so that, based on a result of the comparison, (i) a use restriction value of one of the items having a lower image quality is decreased by a predetermined value and (ii) a use restriction value of an other one of the items having a higher image quality is increased by the predetermined value.
    • 记录和再现装置(1)包括:记录AV数据项的AV记录介质(26) 发送和接收单元(21)经由网络向所述设备(1)发送和接收与所述设备(1)相连接的其他设备的所述项目和所述项目的信息; 检索单元(28)检索指示相同程序并记录在AV记录介质和另一设备中的AV数据项; 比较单元(29),比较项目的图像质量; 以及限制值控制单元(30),通过所述发送和接收单元移动使用限制值,使得基于所述比较的结果,(i)具有较低图像质量的项目中的一个的使用限制值被减少 预定值和(ii)具有较高图像质量的另一个项目的使用限制值增加预定值。
    • 8. 发明申请
    • AV DATA TRANSMISSION APPARATUS, AV DATA RECEPTION APPARATUS, AND AV DATA TRANSMISSION AND RECEPTION SYSTEM
    • AV数据传输装置,AV数据接收装置和AV数据传输和接收系统
    • US20090257587A1
    • 2009-10-15
    • US12420967
    • 2009-04-09
    • Yasushi AyakiTakuya NishimuraKazunari Fujiwara
    • Yasushi AyakiTakuya NishimuraKazunari Fujiwara
    • H04N7/167
    • H04N7/1675H04L9/0838H04L2209/603H04N21/4367
    • An AV data transmission apparatus comprising: an encryption unit which encrypts AV data; an AV data transmission unit which transmits the encrypted AV data; a cipher-type-information switching unit which switches cipher type information indicating a cipher scheme used for the AV data, to other cipher type information; and a cipher-type-information transmission unit which transmits cipher type information. When transmitting AV data which is prohibited from being used in a reception apparatus that does not support new usage control information, the AV data transmission apparatus assigns different cipher type information to be notified to the reception apparatus, so that even the reception apparatus which cannot recognize the new usage control information can recognize that being unable to perform decryption is due to new encryption performed by the AV data transmission apparatus.
    • 一种AV数据发送装置,包括:加密单元,对AV数据进行加密; AV数据发送单元,其发送加密的AV数据; 密码类型信息切换单元,其将表示用于AV数据的密码方式的密码类型信息切换为其他密码类型信息; 以及密码类型信息发送单元,其发送密码类型信息。 当发送禁止在不支持新的使用控制信息的接收装置中使用的AV数据时,AV数据发送装置将不同的密码类型信息分配给接收装置,使得即使不能识别的接收装置 新的使用控制信息可以识别出不能执行解密是由于AV数据传输装置执行的新加密。