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    • 7. 发明授权
    • Image projection apparatus, memory control apparatus, laser projector, and memory access method
    • 图像投影装置,存储器控制装置,激光投影仪和存储器存取方法
    • US08884975B2
    • 2014-11-11
    • US13295384
    • 2011-11-14
    • Tetsuya SatohHideaki YamamotoKenichiroh Saisho
    • Tetsuya SatohHideaki YamamotoKenichiroh Saisho
    • G06T1/60G06F12/00G09G5/36G09G5/00H04N9/31
    • H04N9/3197H04N9/3129H04N9/3185
    • An image projection apparatus includes an input part that inputs image data, a frame memory that stores the image data, a laser oscillator that radiates a laser to a screen, a deflection part including a reflective optical element and configured to oscillate the reflective optical element with respect to two perpendicularly intersecting axes, a storage part that stores coefficient data of a polynomial expression, an irradiation position calculating part that calculates an irradiation position based on a coefficient obtained by using the coefficient data and an oscillation angle of the reflective optical element, an address calculating part that calculates an address in the frame memory corresponding to the irradiation position, a memory control part that reads out pixel data of the address, and a laser drive part that oscillates the laser oscillator in accordance with a luminance that corresponds to the pixel data.
    • 图像投影装置包括输入图像数据的输入部分,存储图像数据的帧存储器,向屏幕照射激光的激光振荡器,包括反射光学元件的偏转部件,并且被配置为使反射光学元件与 相对于两个垂直相交的轴,存储部分,其存储多项式表达式的系数数据;照射位置计算部,其基于通过使用所述系数数据获得的系数和所述反射型光学元件的振荡角来计算照射位置, 计算与照射位置对应的帧存储器中的地址的地址计算部分,读出地址的像素数据的存储器控​​制部分和根据与像素对应的亮度振荡激光振荡器的激光驱动部分 数据。
    • 10. 发明授权
    • Servo control device
    • 伺服控制装置
    • US08723472B2
    • 2014-05-13
    • US13146363
    • 2010-06-10
    • Katsuyoshi TakeuchiHideaki Yamamoto
    • Katsuyoshi TakeuchiHideaki Yamamoto
    • G05D23/275
    • G05B19/404G05B2219/41117G05B2219/41128
    • Improved precision is realized in positioning control. Provided is a servo control device that is applied to a numerical control equipment provided with a screw-feeding section that converts rotational movement of a motor to linear movement, a driven section that is linearly moved by the screw-feeding section, and a support member by which the screw-feeding section and the driven section are supported and that controls the motor so as to match a position of the driven section to a positioning instruction, including a support-member-reaction-force compensating section 311 that compensates for vibrations of the driven section due to a vibrational reaction force of the support member, wherein a transfer function provided in the support-member-reaction-force compensating section 311 includes a stiffness term for the driven section.
    • 定位控制实现了精度的提高。 提供了一种伺服控制装置,其被应用于具有将电动机的旋转运动转换为线性运动的螺旋给送部的数控设备,由螺旋给送部直线移动的从动部,以及支承部件 通过该螺钉供给部和被驱动部被支撑,并且控制电动机以使从动部的位置与定位指令相匹配,该定位指令包括支撑部件 - 反作用力补偿部311,其补偿振动 所述驱动部分由于所述支撑部件的振动反作用力,其中设置在所述支撑部件 - 反作用力补偿部分311中的传递函数包括所述被驱动部分的刚度项。