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    • 64. 发明授权
    • Communication apparatus and computer program product
    • 通讯设备及电脑程式产品
    • US08627078B2
    • 2014-01-07
    • US13551352
    • 2012-07-17
    • Yoshihiro ObaMitsuru KandaYasuyuki TanakaSeijiro Yoneyama
    • Yoshihiro ObaMitsuru KandaYasuyuki TanakaSeijiro Yoneyama
    • H04L29/06
    • H04W12/06H04L9/0836H04L9/0866H04L9/3273H04L63/061H04L63/0884H04L63/123H04L63/162H04L67/12H04W12/04H04W12/10
    • According to an embodiment, a communication apparatus establishes communication with an external apparatus through a higher-level device. The communication apparatus includes a main processor and a key generator. The main processor receives a data authentication request including data to be authenticated, a first key specification, and a message authentication algorithm identifier from the higher-level device. The key generator retains a key hierarchy used by an authentication protocol that is used between the higher-level device and the external apparatus, and to generate a first key by use of the key hierarchy and the first key specification. The main processor generates a message authentication code for the data to be authenticated by use of the message authentication algorithm, which is identified by the message authentication algorithm identifier, and the first key, and transmits a data authentication response including the message authentication code to the higher-level device.
    • 根据实施例,通信装置通过较高级别的装置建立与外部装置的通信。 通信装置包括主处理器和密钥发生器。 主处理器从上级设备接收包括要认证的数据的数据认证请求,第一密钥规范和消息认证算法标识符。 密钥生成器保留由上级设备和外部设备之间使用的认证协议使用的密钥层级,并且通过使用密钥层次和第一密钥规范来生成第一密钥。 主处理器通过使用由消息认证算法标识符识别的消息认证算法和第一密钥来生成用于要认证的数据的消息认证码,并将包括消息认证码的数据认证响应发送到 更高级别的设备。
    • 68. 发明申请
    • SIGNAL PROCESSING APPARATUS
    • 信号处理装置
    • US20120044001A1
    • 2012-02-23
    • US13208740
    • 2011-08-12
    • Yasuyuki Tanaka
    • Yasuyuki Tanaka
    • H03L7/08
    • H03L7/235
    • A signal processing apparatus of the present invention includes an input unit configured to receive a reference signal supplied from an external device, a phase detection unit configured to detect a phase difference between the reference signal received from the input unit and a clock signal, a generation unit configured to generate the clock signal with a frequency corresponding to an output of the phase detection unit, and a control unit configured to detect an error between a frequency of the reference signal received from the input unit and the frequency of the clock signal based on an output of the phase detection unit and to output information, which indicates the status of a frequency change in the reference signal, to a display device based on the detected error.
    • 本发明的信号处理装置包括:接收从外部设备提供的参考信号的输入单元,被配置为检测从所述输入单元接收的参考信号与时钟信号之间的相位差的相位检测单元, 被配置为产生具有与相位检测单元的输出对应的频率的时钟信号的单元,以及控制单元,被配置为检测从输入单元接收的参考信号的频率与时钟信号的频率之间的误差,基于 相位检测单元的输出,并且基于检测到的误差将指示参考信号中的频率变化的状态的信息输出到显示设备。
    • 70. 发明申请
    • INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM
    • 信息处理装置,信息处理方法和计算机可读存储介质
    • US20100061638A1
    • 2010-03-11
    • US12619432
    • 2009-11-16
    • Yasuyuki Tanaka
    • Yasuyuki Tanaka
    • G06K9/48
    • G06T3/4053
    • According to one embodiment, an information processing apparatus comprises producing temporary high-resolution image data of a second resolution based on image data of the first resolution, setting a predetermined number of pixels in the image data of the first resolution as target pixels, performing a self-congruity point extraction processing for searching for corresponding points in image regions which approximate a change pattern of pixel values of a target region including the target pixel from the image data of the first resolution, performing a sharpness enhancement processing for the temporary high-resolution image based on the target pixel, and a controller configured to control the processor not to perform the self-congruity point extraction processing and the sharpness enhancement processing when a detected edge is one of vertical and horizontal edges.
    • 根据一个实施例,信息处理设备包括基于第一分辨率的图像数据产生第二分辨率的临时高分辨率图像数据,将第一分辨率的图像数据中的预定数量的像素设置为目标像素,执行 自我整理点提取处理,用于搜索图像区域中的相应点,其近似来自第一分辨率的图像数据的包括目标像素的目标区域的像素值的像素值的变化图案,对临时高分辨率执行锐度增强处理 基于目标像素的图像,以及控制器,被配置为当检测到的边缘是垂直和水平边缘之一时,控制处理器不执行自整体点提取处理和锐度增强处理。