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    • 3. 发明专利
    • 電界通信ゲートシステム
    • 电场通信门系统
    • JP2015023446A
    • 2015-02-02
    • JP2013150558
    • 2013-07-19
    • Nttエレクトロニクス株式会社Ntt Electornics Corp
    • TAZAWA SATOSHIYABE SEIJISUZUKI MASARU
    • H04B13/00
    • 【課題】電界通信を用いた電界通信ゲートシステムにおいて、通信品質の劣化を防止するとともに、誤動作を防止する。【解決手段】電界通信ゲートシステムであって、ユーザU1が携帯する電界通信端末1と、電界通信装置2と、電界通信装置2に接続される信号電極3およびグランド電極4とを備え、信号電極3はゲート5の近傍の床に配置され、グランド電極4はゲート5に配置され、電界通信端末1を携帯したユーザU1が信号電極3に接触した場合、電界通信端末1と電界通信装置2との間で電界通信が行われ、電界通信端末1から送信される信号に基づいてゲート5を制御する。【選択図】図1
    • 要解决的问题:为了防止通信质量的恶化,并防止使用电场通信的电场通信门系统的故障。解决方案:电场通信门系统包括:由用户U1承载的电场通信终端1; 电场通信装置2; 以及分别连接到电场通信装置2的信号电极3和接地电极4.信号电极3设置在与门5相邻的地板上,而接地电极4设置在门5上。当用户 携带电场通信终端1的U1接触信号电极3,在电场通信终端1和电场通信设备2之间进行电场通信,从而基于从电气通信终端1发送的信号来控制门5 现场通信终端1。
    • 4. 发明专利
    • Sampling rate conversion device
    • 采样速率转换装置
    • JP2014103639A
    • 2014-06-05
    • JP2012256368
    • 2012-11-22
    • Ntt Electornics CorpNttエレクトロニクス株式会社
    • KOIKE YUICHIROYAMADA YASUHIRO
    • H03H17/00H03H17/06
    • H04N19/132H03H17/0621H03H17/0642H04N19/117H04N19/164H04N19/167H04N19/182H04N19/436
    • PROBLEM TO BE SOLVED: To provide a general purpose sampling rate conversion device that performs parallel conversion to a plurality of sampling rates in a small circuit scale and at a low cost.SOLUTION: Position coordinate difference calculation sections 5a-5c calculate position coordinate differences between position coordinates of a plurality of output digital signals and position coordinates of neighboring input digital signals. FIR coefficient memories 13a-13c save FIR coefficients of a FIR-LPF, and when the position coordinate differences are input, output FIR coefficients corresponding to position coordinate differences between the output digital signals and a fixed number of input digital signals present in neighborhoods of the position coordinates of the output digital signals. If the position coordinate differences corresponding to two or more different output digital signals, respectively, are calculated simultaneously, a control section 11 supplies the group of FIR coefficients and the group of input digital signals corresponding to the position coordinate differences, respectively, to a parallel FIR computing element 4 in a predetermined order. The parallel FIR computing element 4 performs a FIR-LPF interpolation operation using them to calculate the output digital signals.
    • 要解决的问题:提供一种通用采样率转换装置,其以小电路规模和低成本执行并行转换为多个采样率。解决方案:位置坐标差计算部分5a-5c计算位置坐标差计算部分 多个输出数字信号的位置坐标和相邻输入数字信号的位置坐标。 FIR系数存储器13a-13c保存FIR-LPF的FIR系数,并且当输入位置坐标差时,输出对应于输出数字信号之间的位置坐标差的FIR系数和存在于 输出数字信号的位置坐标。 如果分别计算与两个或更多个不同的输出数字信号相对应的位置坐标差,则控制部分11将FIR系数组和对应于位置坐标差的输入数字信号组分别提供给并行 FIR计算元件4。 并行FIR计算元件4使用它们执行FIR-LPF插值运算,以计算输出的数字信号。
    • 5. 发明专利
    • Clock reproduction device and method
    • 时钟生成装置和方法
    • JP2014096709A
    • 2014-05-22
    • JP2012247340
    • 2012-11-09
    • Ntt Electornics CorpNttエレクトロニクス株式会社
    • ENDO YASUYUKIIIZUKA KIMIAKIKATO HISAOMIURA KATSUKICHI
    • H04L7/033
    • PROBLEM TO BE SOLVED: To reproduce a clock corresponding to a plurality of client signals, in the processing of a high speed transmission signal framed in multistep with a multi-tier frame by common PLL.SOLUTION: In a clock reproduction device for reproducing the clock of client data of data amount C transmitted in a format framed in multistep with a multi-tier frame in line data of data amount L, a phase difference signal corresponding to the phase difference of a frequency division clock of a clock obtained by multiplying the frequency of a client clock signal by L/C, and a frequency division clock of a signal obtained by multiplying the frequency of a line clock signal by L/C, is fed back to a circuit (20) generating the client clock signal.
    • 要解决的问题:为了再现与多个客户端信号相对应的时钟,在通过公共PLL利用多层帧进行多级成帧的高速传输信号的处理中。解决方案:在用于再现时钟的时钟再生装置 数据量C的客户数据以与数据量L的行数据中的多层帧多帧成帧的数据量C的客户端数据相对应,相位差信号对应于通过将频率乘以时获得的时钟的分频时钟的相位差 通过L / C将客户时钟信号和通过将线路时钟信号的频率乘以L / C获得的信号的分频时钟反馈到产生客户端时钟信号的电路(20)。
    • 6. 发明专利
    • Multistep mapping device and method
    • 多媒体映射设备和方法
    • JP2014096706A
    • 2014-05-22
    • JP2012247333
    • 2012-11-09
    • Ntt Electornics CorpNttエレクトロニクス株式会社
    • ENDO YASUYUKIKATO HISAOIKEDA MASAYUKIHARADA IKUO
    • H04J3/00
    • PROBLEM TO BE SOLVED: To provide a mapping device in which the adjustment range of clock deviation of a client data signal is expanded.SOLUTION: A multistep mapping device (100) for mapping a client data signal to a line frame, being transmitted in a form of framed multistep by a muti-tier frame includes a circuit (120) for writing the client data signal in a mapping FIFO memory and storing temporarily, before being output according to a line clock while mapping to a lower layer frame, and a circuit (140) for multiplexing a plurality of lower layer frames and outputting according to a line clock while framing to an upper layer frame.
    • 要解决的问题:提供一种映射装置,其中客户端数据信号的时钟偏差的调节范围被扩展。解决方案:一种用于将客户端数据信号映射到线帧的多步骤映射设备(100) 通过多层帧形成框架多步骤的方式包括:在映射FIFO存储器之间写入客户端数据信号并在映射到下层帧之前根据线时钟输出之前临时存储的电路(120),以及电路 (140),用于多路复用多个下层帧,并根据线时钟输出,同时成帧到上层帧。
    • 9. 发明专利
    • Image processing device
    • 图像处理装置
    • JP2013168702A
    • 2013-08-29
    • JP2012029101
    • 2012-02-14
    • Ntt Electornics CorpNttエレクトロニクス株式会社
    • OZAKI KATSUYUKIYANO YUTAKAITO HISASHI
    • H04N7/32
    • H04N19/59H04N19/33
    • PROBLEM TO BE SOLVED: To obtain an image processing device capable of reducing an amount of codes output from an encoder without compromising image quality.SOLUTION: A first conversion section 3 converts an input image into a low resolution image having a lower resolution than that of the input image. A first re-conversion section 4 re-converts the low resolution image into an image having the same resolution as that of the input image, and creates a first re-conversion image. A difference section 5 creates a difference image that provides a difference between the input image and the first re-conversion image. First and second coding sections 6, 7 encode the low resolution image and the difference image so as to create first and second encoding data, respectively. First and second decoding sections 8, 9 decode the first and second encoding data, respectively. A second re-conversion section 10 re-converts the decoded low resolution image into an image having the same resolution as that of the input image, and creates a second re-conversion image. A combining section 11 combines the decoded difference image with the second re-conversion image.
    • 要解决的问题:获得能够减少从编码器输出的代码量而不影响图像质量的图像处理装置。解决方案:第一转换部分3将输入图像转换成具有比分辨率低的分辨率的低分辨率图像 输入图像。 第一再转换部分4将低分辨率图像重新转换成具有与输入图像相同的分辨率的图像,并且创建第一再转换图像。 差异部分5创建提供输入图像和第一再转换图像之间的差异的差分图像。 第一和第二编码部分6,7对低分辨率图像和差分图像进行编码,以分别产生第一和第二编码数据。 第一和第二解码部分8,9分别解码第一和第二编码数据。 第二再转换部分10将解码的低分辨率图像重新转换成具有与输入图像相同的分辨率的图像,并且创建第二再转换图像。 合成部11将解码差分图像与第二再转换图像组合。
    • 10. 发明专利
    • Information processor and information processing method
    • 信息处理器和信息处理方法
    • JP2013092960A
    • 2013-05-16
    • JP2011235708
    • 2011-10-27
    • Ntt Electornics CorpNttエレクトロニクス株式会社
    • HOSODA YASUHIROWATANABE NOBUHIKO
    • G06F21/62G06F21/86G09C1/00H04L9/08
    • PROBLEM TO BE SOLVED: To use a cryptographic device to execute encryption and decryption without rewriting an application program.SOLUTION: A CPU 2 includes an OS 6 and an application program 7. An HDD 3 and an anti-tampering cryptographic device 4 are connected to the CPU 2 through an internal bus 4. The OS 6 includes: an HDD access routine 10 for executing read/write to the HDD 3; a preparation processing part 12 for putting the cryptographic device 4 into a preparation completion state; and an encryption/decryption processing part 13 for causing the cryptographic device 4 in the preparation completion state to execute encryption or decryption. When the application program 7 issues a writing instruction, the HDD access routine 10 sends plaintext data to the encryption/decryption processing part 13, the encryption/decryption processing part 13 causes the cryptographic device 4 to encrypt the plaintext data and obtains encrypted data, and the HDD access routine 10 writes the encrypted data into the HDD 3.
    • 要解决的问题:使用加密设备执行加密和解密而不重写应用程序。 解决方案:CPU 2包括OS 6和应用程序7. HDD 3和防篡改密码装置4通过内部总线4连接到CPU 2.OS 6包括:HDD访问例程 10,用于执行对HDD 3的读/写; 准备处理部12,用于将密码装置4置于准备完成状态; 以及用于使处于准备完成状态的密码装置4执行加密或解密的加密/解密处理部分13。 当应用程序7发出写入指令时,HDD访问例程10向加密/解密处理部分13发送明文数据,加密/解密处理部分13使密码装置4加密明文数据并获得加密数据, HDD访问例程10将加密数据写入HDD 3.版权所有:(C)2013,JPO&INPIT