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    • 2. 发明专利
    • Radar system
    • 雷达系统
    • JP2010048635A
    • 2010-03-04
    • JP2008212349
    • 2008-08-21
    • Hitachi Ltd株式会社日立製作所
    • YAMAMOTO KIYOSHIMATSUURA KAZUO
    • G01S7/32G01S13/93
    • PROBLEM TO BE SOLVED: To solve problems that conventional converters are expensive and noise increases when a ΔΣ type A/D converter of patent document 1 is merely exchanged to an inexpensive successive-approximation type A/D converter. SOLUTION: The radar system includes a signal output section outputting a first analogue signal having a first frequency and a second analogue signal having a second frequency; a successive-approximation type A/D converter, connected to the signal output section, converting the first and second analogue signals output by the signal output section respectively into a first and a second digital signals, overlapping the first and the second digital signals, and outputting them as one digital signal; and an operational circuit, connected to a signal conversion section, separating the one digital signal into a first and a second digital signals, and outputting them; in which the operational circuit computes a first representative value indicating a representative value of the first digital signal in a first time interval and computes a second representative value indicating a representative value of the second digital signal in a second time interval within a unit time. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了解决当专利文献1的ΔΣ型A / D转换器仅被更换成廉价的逐次逼近型A / D转换器时,常规转换器昂贵并且噪声增加的问题。 解决方案:雷达系统包括输出具有第一频率的第一模拟信号和具有第二频率的第二模拟信号的信号输出部分; 连接到信号输出部分的逐次逼近型A / D转换器,将由信号输出部分输出的第一和第二模拟信号分别转换成与第一和第二数字信号重叠的第一和第二数字信号,以及 将它们作为一个数字信号输出; 以及连接到信号转换部分的操作电路,将一个数字信号分离成第一和第二数字信号,并将其输出; 其中所述运算电路在第一时间间隔内计算指示所述第一数字信号的代表值的第一代表值,并且在单位时间内在第二时间间隔中计算指示所述第二数字信号的代表值的第二代表值。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Radar device
    • 雷达设备
    • JP2009300335A
    • 2009-12-24
    • JP2008157217
    • 2008-06-16
    • Hitachi Ltd株式会社日立製作所
    • YAMAMOTO KIYOSHIEBISAWA TOSHIO
    • G01S13/34G01S7/28G01S13/38
    • PROBLEM TO BE SOLVED: To provide a radar device that can perform detection and reduce a measurement error even when a relative speed of an object is zero. SOLUTION: Each of lamp wave generation means 120A, 120B generates a lamp voltage whose output voltage is changed with lapse of time. Each of the lamp wave generation means 120A, 120B is equipped with an arbitrary current generation means 122 for generating an arbitrary current and integration means 124, 126 for integrating the current outputted from the arbitrary current generation means so as to generate the lamp voltage. A switch means 140 alternately outputs the output of the lamp wave generation means 120B and a reference voltage. A synthesization means 150 synthesizes the output of the lamp wave generation means 120A with the output of the switch means 140. A high frequency wave generation means converts the output voltage of the synthesization means 150 into a frequency signal so as to output it. A control means 11 controls the arbitrary current generation means 122 and the switch means 140. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供即使当物体的相对速度为零时也可以执行检测并减少测量误差的雷达装置。 解决方案:灯波产生装置120A,120B中的每一个产生其输出电压随时间而改变的灯电压。 每个灯波产生装置120A,120B装有用于产生任意电流的任意电流产生装置122和用于积分从任意电流产生装置输出的电流以便产生灯电压的积分装置124,126。 开关装置140交替地输出灯波发生装置120B的输出和参考电压。 合成装置150将灯波产生装置120A的输出与开关装置140的输出进行合成。高频波发生装置将合成装置150的输出电压转换为频率信号以输出。 控制装置11控制任意电流产生装置122和开关装置140.版权所有:(C)2010,JPO&INPIT
    • 4. 发明专利
    • Printer controller
    • 打印机控制器
    • JP2005022223A
    • 2005-01-27
    • JP2003189951
    • 2003-07-02
    • Hitachi Information Technology Co LtdHitachi Ltd株式会社日立インフォメーションテクノロジー株式会社日立製作所
    • NOTOMI SHINYAYAMAMOTO KIYOSHI
    • B41J5/30G06F3/12
    • PROBLEM TO BE SOLVED: To receive a next printing job and perform data expansion processing during the printing of a plurality of copies.
      SOLUTION: When a printing job for printing a plurality of copies is received, data is expanded and the same data is stored in a main storage device as well as in an external storage device. The first copy is printed by reading the data from the main storage device, and the second and subsequent copies are printed by reading the data from the external storage device. When a next printing job is received during the printing of a plurality of copies, expanded data is stored in the external storage device, and printing copies, a start address and a data size are stored in a table. When the printing of a plurality of copies is completed, the address of the next printing job is referred to from the table to read data and print the same.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:在多个副本的打印期间接收下一个打印作业并执行数据扩展处理。 解决方案:当接收到用于打印多个副本的打印作业时,扩展数据并将相同的数据存储在主存储装置以及外部存储装置中。 通过从主存储装置读取数据来打印第一副本,并且通过从外部存储装置读取数据来打印第二副本和随后的副本。 当在多个副本的打印期间接收到下一个打印作业时,扩展数据被存储在外部存储装置中,并且打印副本,起始地址和数据大小被存储在表中。 当多份复印件的打印完成时,从表中引用下一打印作业的地址以读取数据并进行打印。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • High-frequency semiconductor device and its implement method
    • 高频半导体器件及其实现方法
    • JP2008167182A
    • 2008-07-17
    • JP2006354689
    • 2006-12-28
    • Hitachi Ltd株式会社日立製作所
    • SASADA YOSHIYUKIMATSUURA KAZUOISONO TADASHIOUCHI SHIROYAMAMOTO KIYOSHI
    • H01P1/211
    • PROBLEM TO BE SOLVED: To provide a high-frequency semiconductor device suitable for a vehicle radar, the high frequency filter of which is manufactured at low cost and provided with high robustness for filter performance to an external environment, such as temperature fluctuations. SOLUTION: A filter cover 30 that is inside provided with a metal-plated resin periodic structure (32) which cuts off (transmission controls) an operation frequency covers a circuit board 20 mounted with a high-frequency circuit 10. In a radar housing 60 provided with antennas 21 and 22, (1) a reinforced part 33 that has a heat expansion coefficient which is almost the same as that of the circuit board 20 is provided on the cover 30 provided with the periodic structure 32 opposing to the high-frequency circuit 10, or (2) between adjacent cavities 81 and 82 which have a transmission controller (32 or the like), a communication hole that has a height H and a width W(≤λ/4) to cut off an operation frequency is provided. Therefore, filter fluctuations are prevented, and a high-frequency semiconductor device that has high robustness to environmental changes can be acquired. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供适用于车辆雷达的高频半导体装置,其高频滤波器以低成本制造,并且具有高的鲁棒性,以适用于外部环境的过滤性能,例如温度波动 。 解决方案:内部设置有切断(变速器控制)操作频率的金属镀树脂周期结构(32)的过滤器盖30覆盖安装有高频电路10的电路板20.在 具有天线21和22的雷达壳体60,(1)具有与电路板20的热膨胀系数几乎相同的热膨胀系数的加强部33设置在设置有周期性结构32的盖30上 具有变速器控制器(32等)的相邻空腔81和82之间的高频电路10或(2),具有高度H和宽度W(≤λ/ 4)的连通孔,以切断 提供操作频率。 因此,防止了滤波器波动,并且可以获得对环境变化具有高鲁棒性的高频半导体器件。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Print system
    • 打印系统
    • JP2003323270A
    • 2003-11-14
    • JP2002131078
    • 2002-05-07
    • Hitachi Ltd株式会社日立製作所
    • YADATE HIROKIYAMAMOTO KIYOSHI
    • G06F3/12
    • PROBLEM TO BE SOLVED: To easily reprint image data stored in a printer. SOLUTION: As print data are generated with a printer driver 12, a reprint request file composed of a reprint request identifier and identification information on the print data is created and stored in a storage device 14, and the created print data are transmitted to a printer 2. If a user desires to reprint, by operating the reprint request file with a reprint request application program 15, the identification information on the print data to be reprinted is displayed, and the content of the reprint request file is transmitted to the printer 2. The printer 2, on receiving the reprint request identifier and the identification information on the print data which are the content of the reprint request file, reprints using the image data corresponding to the stored print data based on the identification information. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:易于重印打印机中存储的图像数据。 解决方案:打印机驱动程序12生成打印数据时,创建由重印请求标识符和关于打印数据的识别信息构成的重新打印请求文件并将其存储在存储装置14中,并且生成的打印数据被发送 到打印机2.如果用户希望重新打印,则通过使用重印请求应用程序15操作重新打印请求文件,显示关于要重新打印的打印数据的标识信息,并且转印请求文件的内容被发送到 打印机2.打印机2在接收到重新打印请求标识符和作为重新打印请求文件的内容的打印数据上的识别信息时,使用与基于识别信息的所存储的打印数据相对应的图像数据重新打印。 版权所有(C)2004,JPO