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    • 22. 发明授权
    • Data processing apparatus and method for encryption or decryption of communication data
    • 用于对通信数据进行加密或解密的数据处理装置和方法
    • US06959088B1
    • 2005-10-25
    • US09527691
    • 2000-03-17
    • Masahiko Yamaguchi
    • Masahiko Yamaguchi
    • H04L9/36G06F3/12H04L9/00
    • G06F3/1214G06F3/1222G06F3/1244G06F3/1285
    • In order to shorten the time required for encryption and decryption of communication data, the contents of input data are analyzed by a discrimination method such as pattern matching, and in accordance with this analysis result, it is checked whether the received data is particular data. A portion of data judged as the particular data is encrypted and sent to an output buffer, whereas a portion other than the particular portion is not encrypted but is directly sent to the output buffer. Thereafter, the contents in the output buffer are transmitted. The particular data includes a control code of print data, upper bits of image data, predetermined discrete bits of voice data, a conversion tale for compression data, and the like.
    • 为了缩短通信数据的加密和解密所需的时间,通过诸如模式匹配的鉴别方法分析输入数据的内容,并且根据该分析结果,检查接收的数据是否是特定数据。 被判断为特定数据的数据的一部分被加密并发送到输出缓冲器,而除特定部分以外的部分不被加密,而是被直接发送到输出缓冲器。 此后,发送输出缓冲器中的内容。 特定数据包括打印数据的控制代码,图像数据的高位,语音数据的预定离散比特,压缩数据的转换等。
    • 30. 发明申请
    • Diagnostic device for secondary air supply system
    • 二次供气系统诊断装置
    • US20060059898A1
    • 2006-03-23
    • US11224118
    • 2005-09-13
    • Keiji WakaharaMasahiko Yamaguchi
    • Keiji WakaharaMasahiko Yamaguchi
    • F01N3/00F01N7/00
    • F01N11/00Y02T10/47
    • A secondary air control system supplies secondary air to the upstream of a catalyst purifying exhaust gas in an exhaust passage of an engine. A diagnostic device includes a secondary air detecting means that detects a secondary air information related to pressure of secondary air. An abnormality diagnostic means performs an abnormality diagnostic operation of the secondary air control system in accordance with the secondary air information. A voltage detecting means that detects a power source voltage information related to power source voltage supplied to the secondary air control system. An evaluating condition correcting means that corrects an evaluating condition, which is used for evaluating abnormality in the secondary air control system in accordance with a power source voltage information.
    • 二次空气控制系统将二次空气提供给发动机的排气通道中的催化剂净化废气的上游。 诊断装置包括二次空气检测装置,其检测与二次空气的压力有关的二次空气信息。 异常诊断装置根据二次空气信息进行二次空气控制系统的异常诊断动作。 电压检测装置,其检测与提供给二次空气控制系统的电源电压有关的电源电压信息。 一种评估条件校正装置,用于根据电源电压信息来校正用于评估二次空气控制系统中的异常的评估条件。