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    • 61. 发明授权
    • Mobile object positioning system
    • 移动对象定位系统
    • US5598166A
    • 1997-01-28
    • US626722
    • 1996-04-01
    • Seiji IshikawaYoshihisa SuwaTakeshi ItoTomio Yasuda
    • Seiji IshikawaYoshihisa SuwaTakeshi ItoTomio Yasuda
    • G01C21/00G01S1/00G01S19/14G01S19/49G08G1/0969H04B7/185G01S5/02
    • G01S19/49
    • A mobile object positioning system includes a GPS signal receiver for receiving positioning radio signals from a plurality of satellites, calculating a present location of a mobile object in accordance with the positioning radio signal and outputting present location data at each of a plurality of calculating times. An electronic controller is provided for updating the present location data at each calculating time, storing the present location data, estimating an error of the present location data in accordance with the positioning radio signals and outputting error data at each estimating time. A vehicle velocity sensor is disposed on the mobile object for detecting the velocity of the moving mobile object and outputting a mobile velocity signal. The electronic controller determines a stationary condition of the mobile object in accordance with the mobile velocity signal and prohibits updating the present location data when a stationary condition of the mobile object is determined and a value of the error data at a present estimating time is larger than that at a last previous estimating time.
    • 移动物体定位系统包括:GPS信号接收器,用于从多个卫星接收定位无线电信号,根据定位无线电信号计算移动物体的当前位置,并在多个计算时间中的每一个处输出当前位置数据。 提供电子控制器,用于在每个计算时间更新当前位置数据,存储当前位置数据,根据定位无线电信号估计当前位置数据的错误,并在每个估计时间输出错误数据。 车辆速度传感器设置在移动物体上,用于检测移动移动物体的速度并输出移动速度信号。 电子控制器根据移动速度信号确定移动对象的静止状态,并且当确定移动对象的静止状态并且当前估计时间的误差数据的值大于当前位置数据时,禁止更新当前位置数据 在最后的估计时间。
    • 64. 发明授权
    • Negative feedback amplifier for driving capacitive load
    • 用于驱动电容性负载的负反馈放大器
    • US5159286A
    • 1992-10-27
    • US841813
    • 1992-02-26
    • Takeshi Ito
    • Takeshi Ito
    • H03F1/34H03F3/26H03F3/30
    • H03F3/3066
    • A negative feedback amplifier including, in an input stage, a common-emitter first transistor and a common-base second transistor for supplying a quiescent collector current (standing current) to the first transistor so that a sufficient standing current flows. A negative feedback circuit is connected between an output terminal of an output stage and the emitter of the second transistor, and a first limiter diode is parallely connected to the feedback circuit so as to prevent saturation of an NPN transistor of the output stage. The common-base transistor in the input stage makes it possible to select a high resistance resistor as a feedback resistor, thus enabling the standing current of the output stage to be reduced. A second limiter diode may be connected between the output terminal and the input terminal of the output stage.
    • 一种负反馈放大器,包括在输入级中的共发射极第一晶体管和用于向第一晶体管提供静态集电极电流(恒定电流)的共基极第二晶体管,使得足够的稳定电流流动。 负反馈电路连接在输出级的输出端和第二晶体管的发射极之间,第一限幅二极管并联连接到反馈电路,以防止输出级的NPN晶体管饱和。 输入级的公共晶体管使得可以选择高电阻电阻作为反馈电阻,从而能够降低输出级的驻极电流。 第二限幅二极管可以连接在输出端和输出级的输入端之间。
    • 69. 发明授权
    • Parallel type robot chuck
    • 平行式机器人卡盘
    • US4629237A
    • 1986-12-16
    • US739261
    • 1985-05-30
    • Takeshi Ito
    • Takeshi Ito
    • B25J15/02B25J15/08
    • B25J15/0273
    • A chuck for a robot or the like of a parallel opening/closing type. A piston is slidably supported in a cylinder, slidable in a first direction. A pair of slide pawls are slidably mounted so as to be movable in a second direction, perpendicular to the first direction, for performing opening/closing movement. The pawls are biased in the opening direction. A pair of action levers are rotatably supported on the cylinder, abutting an end of the piston and engaging with respective ones of the pawls. A pair of shafts are provided on the cylinder for guiding fulcrums of the action levers and the slide pawls. Each of the pawls has a reference portion projecting upwardly, two elongated holes, and a slot portion at a center portion thereof for receiving corresponding ones of the action levers. The reference portion of one of the slide pawls, the action levers, and the reference portion of the other one of the slide pawls are supported side by side on these shafts.
    • 用于机器人等的平行打开/关闭类型的卡盘。 活塞可滑动地支撑在气缸中,可沿第一方向滑动。 一对滑动棘爪可滑动地安装成能够沿与第一方向垂直的第二方向移动,以进行打开/关闭运动。 棘爪在打开方向上偏置。 一对动作杆可旋转地支撑在气缸上,邻接活塞的端部并与各个棘爪啮合。 一对轴设置在气缸上,用于引导动作杆和滑动爪的支点。 每个棘爪具有向上突出的参考部分,两个细长孔和在其中心部分处的槽部分,用于接收相应的操作杆。 滑动爪中的一个的参考部分,动作杆和另一个滑动爪的参考部分并排地支撑在这些轴上。
    • 70. 发明授权
    • 3D imaging device and 3D imaging method
    • 3D成像装置和3D成像方法
    • US09128367B2
    • 2015-09-08
    • US13582050
    • 2011-03-03
    • Haruo YamashitaTakeshi ItoHiromichi Ono
    • Haruo YamashitaTakeshi ItoHiromichi Ono
    • G03B21/58H04N13/02G03B21/56
    • G03B21/56G03B21/58G03B21/62H04N13/239H04N13/296
    • A 3D imaging device obtains a 3D image (3D video) that achieves an appropriate 3D effect and/or intended placement. The 3D imaging device estimates (calculates) an ideal disparity of a main subject based on a preset viewing environment (display condition) and a distance to the main subject, and obtains a disparity (an actual disparity) of the subject (main subject) actually occurring on a virtual screen. The 3D imaging device obtains a correction disparity using the ideal disparity and the actual disparity, and adds the calculated correction disparity to the 3D image (horizontally shifts the image) to perform appropriate disparity correction. The 3D imaging device obtains a 3D image (3D video) that achieves an appropriate 3D effect and/or intended placement without being affected by a disparity occurring in the horizontal direction caused by insufficient precision (in particular, insufficient optical precision).
    • 3D成像装置获得实现适当3D效果和/或预期放置的3D图像(3D视频)。 3D成像装置基于预设的观看环境(显示条件)和到主体的距离来估计(计算)主要被摄体的理想视差,并且实际获得被摄体(主体)的视差(实际视差) 发生在虚拟屏幕上。 3D成像装置使用理想视差和实际视差获得校正视差,并将计算出的校正视差添加到3D图像(水平移动图像)以执行适当的视差校正。 3D成像装置获得在不受精度不足(特别是光学精度不足)的情况下在水平方向上发生的视差的影响而获得适当的3D效果和/或预期放置的3D图像(3D视频)。