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    • 6. 发明申请
    • CONTENT DATA DISTRIBUTION TERMINAL AND CONTENT DATA DISTRIBUTION SYSTEM
    • 内容数据分发终端和内容数据分发系统
    • US20090022318A1
    • 2009-01-22
    • US12175014
    • 2008-07-17
    • Akihiro KASAHARAShinichi MATSUKAWAHiroshi SUUAkira MIURA
    • Akihiro KASAHARAShinichi MATSUKAWAHiroshi SUUAkira MIURA
    • H04L9/06
    • H04L9/0891H04L9/0822H04L2209/60
    • A content distribution terminal includes a user key data generation unit generating new user key data representing a new version of the user key data; a user key update unit capturing, from the recordable medium, already-recorded user key data that has already been recorded on the recordable medium, and ordering the user key data generation unit to generate the new user key data when a predetermined situation is identified in the already-recorded user key data to execute an update procedure for the user key data; an erase control unit erasing, when a predetermined situation is identified in the already-recorded user key data, the first encrypted content key data that is encrypted with the already-recorded user key data and stored in the recordable medium; an encryption/decryption unit decrypting, with terminal-unique key, second encrypted content key data resulting from encryption of the content key data with different terminal-unique keys for different terminals, encrypting again content key data resulting from decryption of the second encrypted content key data with the new user key data to generate the first encrypted content key data, and encrypting the content data with the content key data to generate the encrypted content data; a write control unit writing the data to the recordable medium.
    • 内容分发终端包括生成表示新版本的用户密钥数据的新用户密钥数据的用户密钥数据生成单元; 用户密钥更新单元从可记录介质捕获已经记录在可记录介质上的已经记录的用户密钥数据,并且当识别出预定情况时,命令用户密钥数据生成单元生成新的用户密钥数据 已经记录的用户密钥数据,用于执行用户密钥数据的更新过程; 擦除控制单元,当在已经记录的用户密钥数据中识别出预定情况时,擦除已经记录的用户密钥数据加密并存储在可记录介质中的第一加密内容密钥数据; 加密/解密单元利用终端唯一密钥对不同终端的不同终端唯一密钥对内容密钥数据的加密产生的第二加密内容密钥数据进行解密,再次加密由第二加密内容密钥的解密产生的内容密钥数据 数据与新的用户密钥数据一起生成第一加密内容密钥数据,并且用内容密钥数据加密内容数据以生成加密的内容数据; 写入控制单元将数据写入可记录介质。
    • 9. 发明申请
    • PROCESS OF TREATMENT FOR OXIDIZING AN ACIDIC SOLUTION CONTAINING AN IODIDE ION AND AN IRON (II) ION
    • 用于氧化含有碘离子和铁(II)离子的酸性溶液的处理方法
    • US20120237995A1
    • 2012-09-20
    • US13418654
    • 2012-03-13
    • Kenichi KUWANOAkira MIURA
    • Kenichi KUWANOAkira MIURA
    • C12P3/00
    • C12P3/00C12M25/20C12N11/00C12N11/14C22B3/18C22B3/44C22B15/0069Y02P10/234Y02P10/236
    • [Problem to be Solved]A method for producing an iron (III) ion from the acidic solution containing an iodide ion and an iron (II) ion efficiently and stably is provided.[Means for Solving Problem]A method comprising performing the following steps (a)-(b), repeatedly and continuously: (a) a step wherein the iron (II) ion in the acidic solution containing the iodide ion and the iron (II) ion is oxidized into iron (III) ion in a reactor using a microbes immobilizing carrier to which iron oxidizing microbes attached; (b) a step wherein sedimentation of the solution obtained in the step (a) is performed in a sedimentation tank to obtain the solution containing the iron (III) ion and concurrently the sediment of the microbes immobilizing carrier to which said iron oxidizing microbes have attached is recovered and then reintroduced into the reactor in the step (a).
    • [待解决的问题]提供了从含有碘离子和铁(II)离子的酸性溶液中有效且稳定地制备铁(III)离子的方法。 解决问题的方法包括重复并连续地执行以下步骤(a) - (b)的方法:(a)将含有碘离子和铁(II)的酸性溶液中的铁(II)离子 )离子在反应器中被氧化成铁(III)离子,使用固定铁氧化微生物的微生物固定载体; (b)在沉淀池中进行步骤(a)中得到的溶液的沉降,得到含有铁(III)离子的溶液,同时还含有所述铁氧化微生物所固定的载体的微生物沉积物 在步骤(a)中回收附着物,然后重新引入反应器。