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    • 61. 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。
    • 66. 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。
    • 67. 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)。
    • 70. 发明申请
    • 3D IMAGE RECORDING DEVICE AND 3D IMAGE SIGNAL PROCESSING DEVICE
    • 3D图像记录装置和3D图像信号处理装置
    • US20130027520A1
    • 2013-01-31
    • US13640603
    • 2011-04-19
    • Hiromichi OnoHaruo YamashitaTakeshi Ito
    • Hiromichi OnoHaruo YamashitaTakeshi Ito
    • G06T5/00H04N13/02
    • H04N5/23248H04N5/23258H04N13/239H04N13/296
    • A 3D image signal processing device performs a signal processing on at least one image signal of a first viewpoint signal as an image signal generated at a first viewpoint and a second viewpoint signal as an image signal generated at a second viewpoint different from the first viewpoint. The device includes an image processor that executes a predetermined image processing on at least one image signal of the first viewpoint signal and the second viewpoint signal, and a controller that controls the image processor. The controller controls the image processor to perform an feathering process on at least one image signal of the first viewpoint signal and the second viewpoint signal, the feathering process being a process for smoothing pixel values of pixels positioned on a boundary between an object included in the image represented by the at least one image signal and an image adjacent to the object.
    • 3D图像信号处理装置对第一视点信号的至少一个图像信号进行信号处理,将其作为在第一视点产生的图像信号和第二视点信号作为在与第一视点不同的第二视点处生成的图像信号。 该装置包括对第一视点信号和第二视点信号的至少一个图像信号执行预定图像处理的图像处理器,以及控制图像处理器的控制器。 所述控制器控制所述图像处理器对所述第一视点信号和所述第二视点信号的至少一个图像信号执行羽化处理,所述羽化处理是用于平滑位于所述第一视点信号和所述第二视点信号中的对象之间的边界上的像素的像素值的处理 由所述至少一个图像信号表示的图像和与所述对象相邻的图像。