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    • 1. 发明授权
    • Electro-optical device, electro-optical device driving method, image processing circuit, image processing method, and electronic apparatus
    • 电光装置,电光装置驱动方法,图像处理电路,图像处理方法以及电子装置
    • US07796291B2
    • 2010-09-14
    • US11534144
    • 2006-09-21
    • Hiroyuki HosakaHidehito IisakaTakashi Nishimori
    • Hiroyuki HosakaHidehito IisakaTakashi Nishimori
    • G06K15/00H04N9/64H04N1/00
    • G09G3/3648G09G3/3614G09G2310/0224G09G2320/0247G09G2360/12
    • An electro-optical device includes a plurality of pixels arranged in association with intersections of a plurality of scanning lines and a plurality of data lines, each of the plurality of pixels displaying a grayscale level corresponding to a data signal supplied to a corresponding data line when a scanning line is selected; a memory that stores upper n bits of input image data in which the grayscale level of each of the plurality of pixels is designated by m bits and that reads the stored n bits of image data, where “m” and “n ” represent positive integers satisfying a condition m>n; an adding circuit that adds lower (m−n) bits to the n bits of image data read from the memory; a selector that selects the input image data when the m bits of image data are input and that selects image data including the (m−n) bits added thereto by the adding circuit when the n bits of image data are read from the memory; a scanning line driving circuit that selects, from among the plurality of scanning lines, the scanning line corresponding to the image data selected by the selector; and a data line driving circuit that supplies the data signal based on the image data selected by the selector to the data line corresponding to the selected image data.
    • 电光装置包括与多个扫描线和多条数据线的交点相关联地布置的多个像素,多个像素中的每一个像素显示与提供给相应数据线的数据信号相对应的灰度级, 选择扫描线; 存储器,其存储输入图像数据的高n位,其中,以m位指定多个像素中的每一个的灰度级,并读取存储的n位图像数据,其中“m”和“n”表示正整数 满足条件m> n; 加法电路,用于将更低(m-n)位添加到从存储器读取的图像数据的n位; 选择器,当输入图像数据的m位时,选择输入图像数据,并且当从存储器读取n位图像数据时,选择由加法电路附加的(m-n)位的图像数据; 扫描线驱动电路,其从所述多条扫描线中选择与由所述选择器选择的图像数据相对应的扫描线; 以及数据线驱动电路,其将基于由选择器选择的图像数据的数据信号提供给与所选择的图像数据相对应的数据线。
    • 3. 发明申请
    • ELECTRO-OPTICAL DEVICE, ELECTRO-OPTICAL DEVICE DRIVING METHOD, IMAGE PROCESSING CIRCUIT, IMAGE PROCESSING METHOD, AND ELECTRONIC APPARATUS
    • 电光装置,电光装置驱动方法,图像处理电路,图像处理方法和电子装置
    • US20070080920A1
    • 2007-04-12
    • US11534144
    • 2006-09-21
    • Hiroyuki HOSAKAHidehito IISAKATakashi NISHIMORI
    • Hiroyuki HOSAKAHidehito IISAKATakashi NISHIMORI
    • G09G3/36
    • G09G3/3648G09G3/3614G09G2310/0224G09G2320/0247G09G2360/12
    • An electro-optical device includes a plurality of pixels arranged in association with intersections of a plurality of scanning lines and a plurality of data lines, each of the plurality of pixels displaying a grayscale level corresponding to a data signal supplied to a corresponding data line when a scanning line is selected; a memory that stores upper n bits of input image data in which the grayscale level of each of the plurality of pixels is designated by m bits and that reads the stored n bits of image data, where “m” and “n ” represent positive integers satisfying a condition m>n; an adding circuit that adds lower (m−n) bits to the n bits of image data read from the memory; a selector that selects the input image data when the m bits of image data are input and that selects image data including the (m−n) bits added thereto by the adding circuit when the n bits of image data are read from the memory; a scanning line driving circuit that selects, from among the plurality of scanning lines, the scanning line corresponding to the image data selected by the selector; and a data line driving circuit that supplies the data signal based on the image data selected by the selector to the data line corresponding to the selected image data.
    • 电光装置包括与多个扫描线和多条数据线的交点相关联地布置的多个像素,多个像素中的每一个像素显示与提供给相应的数据线的数据信号相对应的灰度级, 选择扫描线; 存储器,其存储输入图像数据的高n位,其中,以m位指定多个像素中的每一个的灰度级,并读取存储的n位图像数据,其中“m”和“n”表示正整数 满足条件m> n; 加法电路,用于将更低(m-n)位添加到从存储器读取的图像数据的n位; 选择器,当输入图像数据的m位时,选择输入图像数据,并且当从存储器读取n位图像数据时,选择由加法电路附加的(m-n)位的图像数据; 扫描线驱动电路,其从所述多条扫描线中选择与由所述选择器选择的图像数据相对应的扫描线; 以及数据线驱动电路,其将基于由选择器选择的图像数据的数据信号提供给与所选择的图像数据相对应的数据线。
    • 6. 发明授权
    • Vehicle steering control system
    • 车辆转向控制系统
    • US6108599A
    • 2000-08-22
    • US525844
    • 1995-09-08
    • Yorihisa YamamotoYutaka NishiTakashi NishimoriHiroyuki TokunagaHideki Machino
    • Yorihisa YamamotoYutaka NishiTakashi NishimoriHiroyuki TokunagaHideki Machino
    • B62D5/04B62D6/00G06F7/00
    • B62D6/00
    • In a vehicle steering control system, a manual steering input is assisted by a powered actuating steering torque which is given by K(.gamma.-t.sub.d .multidot.d .gamma./dt), where y is a detected yaw rate, K and t.sub.d are coefficients which depend on a vehicle speed, and d/dt denotes a time derivative. The detected yaw rate contributes to reducing the yaw rate of the vehicle. In particular, the coefficient t.sub.d is positive in value in a low speed range, and substantially linearly decreases with the vehicle speed, becoming negative at a certain intermediate vehicle speed. Thus, in a high speed range, when the vehicle is steered in one direction either by external disturbances or by a manual steering input, the detected yaw rate and the change rate of the yaw rate both contribute to the reduction of the yaw rate. However, in a low speed range, when the vehicle is steered in one direction, the detected yaw rate contributes to the reduction of the yaw rate but the change rate of the yaw rate contributes to the increase of the yaw rate. Thus, in a high speed range, the vehicle is made highly immune against external disturbances and the effort required for the manual steering of the vehicle is increased with the increase in the change rate of the yaw rate. Conversely, in a low speed range, the stability of the vehicle is of no concern, and the effort required for the manual steering of the vehicle is decreased with the increase in the change rate of the yaw rate.
    • 在车辆转向控制系统中,手动转向输入由由K(γ-DTXDγ/ dt)给出的动力执行转向转矩辅助,其中y是检测到的横摆率,K和td是依赖于 车速,d / dt表示时间导数。 检测到的横摆率有助于降低车辆的横摆角速度。 特别地,系数td在低速范围内的值为正值,并且随着车速大致线性地减小,在某一中间车速下变为负值。 因此,在高速范围内,当车辆通过外部干扰或手动转向输入在一个方向转向时,所检测到的横摆率和偏航率的变化率都有助于减小偏航率。 然而,在低速范围内,当车辆沿一个方向转向时,检测到的横摆率有助于降低横摆率,但偏航率的变化率有助于偏航率的增加。 因此,在高速范围内,使车辆高度免受外部干扰的影响,随着横摆率的变化率的增加,车辆的手动转向所需的努力也增加。 相反,在低速范围内,车辆的稳定性是不必要的,车辆的手动转向所需的努力随着偏航率的变化率的增加而降低。
    • 7. 发明授权
    • Vehicle steering system
    • 车辆转向系统
    • US6018691A
    • 2000-01-25
    • US218135
    • 1994-03-25
    • Yorihisa YamamotoYutaka NishiTakashi NishimoriHiroyuki Tokunaga
    • Yorihisa YamamotoYutaka NishiTakashi NishimoriHiroyuki Tokunaga
    • B62D5/04B62D6/00B62D6/04B62D101/00B62D111/00B62D113/00B62D119/00B62D5/06G06F7/70
    • B62D5/0463B62D5/0484B62D6/008
    • According to the invention, there is provided is a vehicle steering system which can improve the resistance of a vehicle against external disturbances such as crosswind, and can prevent the operability of the steering system from being seriously affected by a failure in a part of the system related to the generation of steering reaction such as a lateral acceleration sensor, a yaw rate sensor or a reaction control unit. Because the assisting steering torque continues to be produced even when a failure has occurred in a part related to the generation of steering reaction. Therefore, a fail-safe feature can be obtained, and unnecessary loss of the operability of the steering system can be avoided. By reducing the assisting steering torque from the normal level, which is effective when the sensors are operating normally, at such a time, the driveability of the steering system similar to that under the normal condition can be ensured.
    • 根据本发明,提供了一种车辆转向系统,其可以改善车辆抵抗诸如侧风等外部干扰的阻力,并且可以防止转向系统的可操作性受到系统的一部分中的故障的严重影响 与侧向加速度传感器,横摆率传感器或反应控制单元等的转向反应的产生有关。 因为即使在与转向反作用的产生相关的部分中发生故障,继续产生辅助转向转矩。 因此,可以获得故障保护功能,并且可以避免转向系统的可操作性的不必要的损失。 通过将辅助转向扭矩从正常水平减小,这在传感器正常运行时有效,可以确保与正常情况下相似的转向系统的驾驶性能。
    • 8. 发明授权
    • Vehicle steering control system
    • 车辆转向控制系统
    • US5774819A
    • 1998-06-30
    • US485484
    • 1995-06-07
    • Yorihisa YamamotoYutaka NishiTakashi NishimoriHiroyuki TokunagaHideki Machino
    • Yorihisa YamamotoYutaka NishiTakashi NishimoriHiroyuki TokunagaHideki Machino
    • B62D6/00B62D5/04B62D6/04B62D101/00B62D111/00B62D113/00B62D117/00B62D119/00B62D137/00
    • B62D6/003B62D6/008
    • In a vehicle steering control system, an actuating torque is applied to steerable wheels according to a steering torque applied to a steering wheel in a conventional manner, and an additional actuating torque is applied to the steering wheel by an electric motor according to lateral dynamic conditions of the vehicle so as to control the lateral stability of the vehicle even in the presence of external interferences such as crosswind. Such external interferences are detected as a lateral dynamic condition of the vehicle such as the yaw rate of the vehicle, and the steering control system produces a steering reaction which counteracts such a lateral dynamic condition by applying the additional actuating torque to the steerable wheels so that the vehicle may maintain a straight course in spite of such external interferences without requiring any intentional efforts by the vehicle operator. In particular, by suppressing the additional actuating torque in an understeer condition, the handling of the vehicle can be improved.
    • 在车辆转向控制系统中,根据以常规方式施加到方向盘的转向转矩,将致动扭矩施加到可转向车轮,并且通过电动机根据横向动态条件向方向盘施加附加的致动转矩 以便即使在诸如侧风等外部干扰的情况下也可以控制车辆的横向稳定性。 这种外部干扰被检测为车辆的横向动态条件,例如车辆的横摆角速度,并且转向控制系统产生转向反作用力,该转向反作用力通过向可转向车轮施加额外的致动转矩来抵消这种横向动态状态,使得 尽管有这种外部干扰,车辆可能保持直线航向,而不需要车辆操作者的任何有意的努力。 特别地,通过在不足转向条件下抑制附加的动作转矩,能够提高车辆的搬运。
    • 10. 发明授权
    • Electro-optic device, electronic apparatus, and method for driving electro-optic device
    • 电光装置,电子设备和驱动电光装置的方法
    • US08773479B2
    • 2014-07-08
    • US13595144
    • 2012-08-27
    • Takashi NishimoriTetsuro YamazakiTakashi Toyooka
    • Takashi NishimoriTetsuro YamazakiTakashi Toyooka
    • G09G3/36
    • G09G3/003G09G3/2022G09G3/3614G09G3/3648G09G2360/18
    • An electro-optic device has electro-optic elements; a storage units storing a first table including pairs of a gray-scale value and an a-bit sub-field code and a second table including pairs of a gray-scale value and a b-bit (b>a) sub-field code; a converting unit converting the gray-scale value of an object pixel into the sub-field code using the second table when a difference in gray-scale value between a first image and a second image is less than a threshold value, while converting the gray-scale value of the object pixel into the sub-field code using the first table when the difference in gray-scale value between the first image and the second image is the threshold value or more; and a driving unit supplying a signal corresponding to the sub-field code converted by the converting unit to drive the electro-optic elements.
    • 电光装置具有电光元件; 存储单元,存储包括灰度值和a位子域代码的对的第一表,以及包括灰度值和b位(b> a)子字段代码的对的第二表 ; 转换单元,当第一图像和第二图像之间的灰度值的差小于阈值时,使用第二表格将对象像素的灰度值转换为子场码,同时将灰度 当第一图像和第二图像之间的灰度值的差是阈值或更大时,使用第一表格将对象像素的尺度值分解成子字段代码; 以及驱动单元,其提供与由转换单元转换的子场代码对应的信号以驱动电光元件。