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    • 21. 发明授权
    • Signature log storing apparatus
    • 签名日志存储装置
    • US08601272B2
    • 2013-12-03
    • US11393782
    • 2006-03-31
    • Shinji ItohYoshinori HondaHiroyasu NunokamiKeiji Sakamoto
    • Shinji ItohYoshinori HondaHiroyasu NunokamiKeiji Sakamoto
    • H04L9/00
    • H04L9/3247H04L9/3263
    • A signature log storing apparatus includes a signature log list and a certificate list, and registers, in the signature log list, a part of signature information in generated hysteresis signature as a signature record and a part of a user certificate in the certificate list. The signature log storing apparatus further includes a trust point list and validates a signature records registered in the signature log list and registers identification information for identifying a latest signature record out of the validate signature record, evidence information for validating validity of the user certificate for a validated signature record, and a hash value of information derived by connecting the evidence information and the hash value as needed or before the user certificate expires.
    • 签名日志存储装置包括签名日志列表和证书列表,并且在签名日志列表中将生成的滞后签名中的签名信息的一部分登记为证书列表中的签名记录和用户证书的一部分。 签名日志存储装置还包括信任点列表,并验证登记在签名日志列表中的签名记录,并登记用于从有效签名记录中识别最新签名记录的识别信息,用于验证用户证书的有效性的证据信息 验证签名记录,以及根据需要或在用户证书到期之前连接证据信息和散列值而导出的信息的哈希值。
    • 22. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07513500B2
    • 2009-04-07
    • US11492308
    • 2006-07-25
    • Shinji Itoh
    • Shinji Itoh
    • B65H5/00G03G21/20H05K5/00
    • G03G21/206G03G2221/1645
    • An image forming apparatus is provided which is capable of preventing the heat radiated from a high-voltage power source board from raising the temperature around the high-voltage power source board to a high temperature. A cooling fan is disposed opposite to the side of the high-voltage power source board where electronic components are disposed, as well as substantially in parallel with the high-voltage power source board; the cooling fan blows air upon the high-voltage power source board; and a heat-radiating component disposed on the high-voltage power source board, such as a transistor and a transformer, is located one-sidedly near the cooling fan, so that they can be efficiently cooled.
    • 提供一种图像形成装置,其能够防止从高压电源板辐射的热量将高压电源板周围的温度提高到高温。 冷却风扇与设置电子部件的高电压电源板的侧面相对配置,并且与高压电源板基本上并联设置; 冷却风扇吹向高压电源板上的空气; 并且设置在诸如晶体管和变压器的高压电源板上的散热部件位于冷却风扇附近,从而可以有效地冷却。