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    • 45. 发明授权
    • Road map display device and redoce media for use in the same
    • 路线图显示设备和重做介质用于相同
    • US06507784B1
    • 2003-01-14
    • US09959973
    • 2001-12-27
    • Nobuhide KurodaKunihiro YamadaMitsuhiro NimuraHiroyoshi MasudaHidenori Nagasaka
    • Nobuhide KurodaKunihiro YamadaMitsuhiro NimuraHiroyoshi MasudaHidenori Nagasaka
    • G01C2100
    • G01C21/3635G01C21/32G01C21/3667G09B29/10
    • A road map display device including a road map information memory for memorizing road map data on a two-dimensional coordinate and a detection device for detecting a present position and a travel direction of an automotive vehicle, wherein the two-dimensional coordinate of the road map data is read out from the information memory in accordance with the present position and travel direction of the vehicle detected by the detection device and displayed in the form of a plane view on a screen of a display unit. In the road map display device, trapezoid conversion parameters are determined on a basis of a conversion formula for converting the two-dimensional coordinate of the road map to a trapezoid, coordinate for display of a perspective view in such a manner that an upper side of a square two-dimensional coordinate is contracted relatively to a lower side of the two-dimensional coordinate, and the road map data included in a reverse trapezoid coordinate defined by a reverse conversion formula of the conversion formula are read out from the road map information memory and introduced into a trapezoid coordinate defined by the trapezoid conversion parameters such that the road map data are displayed in the form of a perspective view on the screen of the display unit.
    • 一种路线图显示装置,其包括用于存储二维坐标上的路线图数据的道路地图信息存储器和用于检测机动车辆的当前位置和行驶方向的检测装置,其中,路线图的二维坐标 根据由检测装置检测到的车辆的当前位置和行驶方向从信息存储器中读出数据,并以显示单元的屏幕上的平面视图的形式显示。 在路线图显示装置中,根据用于将道路地图的二维坐标转换为梯形的转换公式,以透视图的显示的坐标来确定梯形变换参数, 平方二维坐标相对于二维坐标的下侧收缩,并且由路线图信息存储器读出包含在由转换公式的逆转换公式定义的反梯形坐标中的路线图数据 并引入由梯形转换参数定义的梯形坐标,使得道路地图数据以显示单元的屏幕上的透视图的形式显示。
    • 46. 发明授权
    • Silicone grease composition
    • 硅油组合物
    • US06255257B1
    • 2001-07-03
    • US09453469
    • 1999-12-02
    • Kunihiro YamadaTakayuki TakahashiKenichi Isobe
    • Kunihiro YamadaTakayuki TakahashiKenichi Isobe
    • C10M10750
    • C10M169/02C10M169/00C10M2201/061C10M2201/0613C10M2201/062C10M2201/087C10M2201/10C10M2229/04C10M2229/0405C10N2210/02C10N2210/03C10N2220/021C10N2220/082C10N2240/00C10N2250/10
    • A silicone grease composition having high thermal conductivity, comprising (A) 50 to 95 weight % of a mixture of an aluminum nitride powder &agr; having an average particle size of 0.5 to 5 &mgr;m and an aluminum nitride powder &bgr; having an average particle size of 6 to 20 &mgr;m, wherein the aluminum nitride powders &agr; and &bgr; are mixed so that the &agr;/(&agr;+&bgr;) ratio by weight is from 0.1 to 0.9 and the average particle size after mixing is from 1 to 10 &mgr;m, (B) 5 to 15 weight % of organopolysiloxanes having a viscosity of from 50 to 50,000 cs at 25° C. and represented by formula R1aSiO(4−a)/2, wherein R1 represents at least one group selected from saturated or unsaturated univalent hydrocarbon groups containing 1 to 18 carbon atoms and 1.8≦a≦2.2, and (C) 0 to 35 weight % of at least one inorganic compound powder having an average particle size of 0.5 to 100 &mgr;m selected from the group consisting of zinc oxide, alumina, boron nitride and silicon carbide powders.
    • 一种具有高导热性的硅氧烷润滑脂组合物,其包含(A)50至95重量%的平均粒度为0.5至5μm的氮化铝粉末α和平均粒径为6的氮化铝粉末β的混合物 至20微米,其中将氮化铝粉末α和β混合,使得α/(α+β)重量比为0.1至0.9,混合后的平均粒度为1至10微米,(B)5 至15重量%的有机聚硅氧烷,其在25℃下具有50至50,000cs的粘度并由式R 1a SiO(4-a)/ 2表示,其中R 1表示选自饱和或不饱和的一价烃基中的至少一个基团, 至18个碳原子和1.8 <= a <= 2.2,和(C)0-35重量%的至少一种平均粒度为0.5-100微米的无机化合物粉末,选自氧化锌,氧化铝, 氮化硼和碳化硅粉末。
    • 49. 发明授权
    • Transmission system employing high impedance detection for carrier
detection
    • 用于载波检测的高阻抗检测传输系统
    • US4785467A
    • 1988-11-15
    • US39219
    • 1987-04-17
    • Kunihiro Yamada
    • Kunihiro Yamada
    • H04L1/20H04L25/34H04B9/00
    • H04L1/206
    • A transmission system comprises a transmitter made up of a tri-state driver having a data input terminal supplied with a send data signal SD and an enable terminal supplied with a request to send signal RTS, and a receiver made up of a data detector for detecting the send data signal SD to produce a received data signal RD and a high impedance detector. The output impedance of the tri-state driver becomes high when the request to send signal RTS has a first logic value, and the high impedance detector produces a carrier detect signal CD having the first logic value to indicate that no carrier is detected when a high impedance state is detected.
    • 传输系统包括由具有提供有发送数据信号SD的数据输入端和提供有发送信号RTS的请求的使能端的三状态驱动器构成的发送器,以及由用于检测的数据检测器构成的接收器 发送数据信号SD以产生接收的数据信号RD和高阻抗检测器。 当发送信号RTS的请求具有第一逻辑值时,三态驱动器的输出阻抗变高,并且高阻抗检测器产生具有第一逻辑值的载波检测信号CD,以指示当高电平时没有检测到载波 检测到阻抗状态。