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    • 1. 发明授权
    • Adapative control device
    • 适应控制装置
    • US5491446A
    • 1996-02-13
    • US152013
    • 1993-11-15
    • Tsuyoshi OkadaToshiaki KobayashiHidetaka Ozawa
    • Tsuyoshi OkadaToshiaki KobayashiHidetaka Ozawa
    • G10K11/178H03H17/00H03H17/02H03H21/00H04B3/04H04B15/00
    • G10K11/178H03H21/0012G10K2210/3027G10K2210/3032G10K2210/503G10K2210/511
    • An adaptive control device is arranged to cancel periodic noises without any malfunction and delay if aperiodic noises are mingled in the periodic noises. In the adaptive control device, the reference signal sensor senses a reference signal. The reference signal is filtered in the adaptive filter. The filtered signal is applied to the actuator serving as an electrical-mechanical converting unit so that the signal may be added to the input noises. The added result corresponding to an error is converted into an electric signal through the effect of the sensor. The electric signal is applied to the periodic signal separator for separating the signal into a periodic error and an aperiodic error. The coefficient updating unit operates to update a tap coefficient of the adaptive filter by employing an algorithm such as an LMS by using the separated periodic error and the signal filtered by the transfer characteristic compensating filter.
    • 如果在周期性噪声中混合非周期性噪声,则自适应控制装置被布置为消除周期性噪声而没有任何故障和延迟。 在自适应控制装置中,参考信号传感器感测参考信号。 参考信号在自适应滤波器中滤波。 经滤波的信号被施加到用作机电转换单元的致动器,使得信号可以被添加到输入噪声。 通过传感器的作用将对应于误差的相加结果转换为电信号。 电信号被施加到周期性信号分离器,用于将信号分离成周期性误差和非周期误差。 系数更新单元通过使用诸如LMS的算法通过使用分离的周期性误差和由传输特性补偿滤波器滤波的信号来操作来更新自适应滤波器的抽头系数。
    • 2. 发明授权
    • Image display controller
    • 图像显示控制器
    • US07245275B2
    • 2007-07-17
    • US10484892
    • 2003-03-04
    • Tsuyoshi OkadaKazufumi Mizusawa
    • Tsuyoshi OkadaKazufumi Mizusawa
    • G09G3/00
    • H04N7/18B60R1/00B60R2300/105B60R2300/302B60R2300/305B60R2300/306B60R2300/806G09G5/377G09G5/397G09G2340/12H04N7/181
    • An image display controlling system of the present invention has an image combining splitting means (2) for splitting a picked-up image input from an imaging means (1), which picks up surrounding images of a vehicle, into a plurality of images, an image deforming means (3) for executing a different deforming process to the plurality of images respectively, and an arrangement controlling means (5) for arranging the plurality of images at predetermined positions and displaying the images. According to this configuration, a wide-range image having a horizontal angle of view of 180 degree is separated into a rear center image positioned at a center of the image and side images separated from the center like a vanity with three mirrors, and a sense of depth is provided by distorting and deforming intentionally the side images in contrast to the rear center image such that the side images can look as if the side images are just looked at.
    • 本发明的图像显示控制系统具有图像组合分割装置,用于将从车辆的周围图像拾取的成像装置(1)输入的拾取图像分离成多个图像, 用于对所述多个图像分别执行不同的变形处理的图像变形装置(3)和用于将所述多个图像布置在预定位置并显示所述图像的布置控制装置(5)。 根据该结构,将具有180度的水平视角的宽幅图像分离为位于图像中心的后方中心图像,并且与中心像侧面图像一样,具有三个反射镜的梳妆台,并且感觉 通过与侧面图像相反地使侧面图像有意地变形和变形来提供深度,使得侧面图像可以看起来像侧视图正好被看到。
    • 4. 发明申请
    • Image display controller
    • 图像显示控制器
    • US20050012685A1
    • 2005-01-20
    • US10484892
    • 2003-03-04
    • Tsuyoshi OkadaKazufumi Mizusawa
    • Tsuyoshi OkadaKazufumi Mizusawa
    • B60R21/00B60R1/00G06T1/00G06T3/00G09G5/00G09G5/36G09G5/377G09G5/397H04N7/18G09G3/00
    • H04N7/18B60R1/00B60R2300/105B60R2300/302B60R2300/305B60R2300/306B60R2300/806G09G5/377G09G5/397G09G2340/12H04N7/181
    • An image display controlling system of the present invention has an image combining splitting means (2) for splitting a picked-up image input from an imaging means (1), which picks up surrounding images of a vehicle, into a plurality of images, an image deforming means (3) for executing a different deforming process to the plurality of images respectively, and an arrangement controlling means (5) for arranging the plurality of images at predetermined positions and displaying the images. According to this configuration, a wide-range image having a horizontal angle of view of 180 degree is separated into a rear center image positioned at a center of the image and side images separated from the center like a vanity with three mirrors, and a sense of depth is provided by distorting and deforming intentionally the side images in contrast to the rear center image such that the side images can look as if the side images are just looked at.
    • 本发明的图像显示控制系统具有图像组合分割装置,用于将从车辆的周围图像拾取的成像装置(1)输入的拾取图像分离成多个图像, 用于对所述多个图像分别执行不同的变形处理的图像变形装置(3)和用于将所述多个图像布置在预定位置并显示所述图像的布置控制装置(5)。 根据该结构,将具有180度的水平视角的宽幅图像分离为位于图像中心的后方中心图像,并且与中心像侧面图像一样,具有三个反射镜的梳妆台,并且感觉 通过与侧面图像相反地使侧面图像有意地变形和变形来提供深度,使得侧面图像可以看起来像侧视图正好被看到。
    • 5. 发明授权
    • Transverse control device for optical head having a pulse-driven coarse
positioning actuator and a precision actuator
    • 具有脉冲驱动的粗定位致动器和精密致动器的用于光头的横向控制装置
    • US5548575A
    • 1996-08-20
    • US302393
    • 1994-09-08
    • Tsuyoshi OkadaKazuo Shibuya
    • Tsuyoshi OkadaKazuo Shibuya
    • G11B7/00G11B7/005G11B7/085G11B7/09G11B21/10G11B17/30
    • G11B7/08582G11B7/0929G11B7/094
    • The present invention aims at providing an optical head feed device capable of driving stably a coarse positioning actuator even in presence of fluctuation in static frictional force and/or load and reducing the position error of a precision positioning actuator with respect to the center of movement. The optical feed device is so configured that the low-frequency component of displacement of the tracking precision positioning actuator may be detected. Pulse generation means generates drive pulses for the coarse positioning actuator at predetermined time periods so that the output of the detected low-frequency component may come within a fixed range. If a fixed time has elapsed since a drive pulse was outputted and thereafter the low-frequency component of displacement of the precision positioning actuator does not change or the change value is small, the magnitude and time width of the drive pulse are changed and the drive pulse with the magnitude and time width thus changed, is outputted again.
    • 本发明的目的在于提供一种即使在存在静摩擦力和/或负载波动的情况下也能够稳定地驱动粗定位致动器并且降低精密定位致动器相对于移动中心的位置误差的光学头进给装置。 光进给装置被配置为可以检测跟踪精度定位致动器的位移的低频分量。 脉冲发生装置在预定时间周期内为粗定位致动器产生驱动脉冲,使得检测到的低频分量的输出可能在一定范围内。 如果从输出驱动脉冲开始经过了固定时间,此后精密定位致动器的位移的低频分量没有变化或变化值小,驱动脉冲的大小和时间宽度变化,驱动 具有如此改变的幅度和时间宽度的脉冲被再次输出。
    • 10. 发明授权
    • Imaging device and an imaging method
    • 成像装置和成像方法
    • US07247851B2
    • 2007-07-24
    • US10533853
    • 2004-04-22
    • Tsuyoshi OkadaHirofumi IshiiKazufumi Mizusawa
    • Tsuyoshi OkadaHirofumi IshiiKazufumi Mizusawa
    • G11J5/02G06K7/10H01L25/00H01L27/00
    • H04N5/332H01L27/14645H01L31/101H04N9/045H04N2209/047
    • An optical lens 1 makes three components of visible light and near infrared light in different wavelength regions severally form images at different locations according to their wavelengths. An imaging element 2 has a plurality of pixels, which include pixels having a visible light detection section 6 and pixels having a near infrared light detection section 8. The visible light detection section 6 has three detectors 3, 4, and 5 which detect three components of visible light which form images at locations of different depths in the same pixel according to their wavelengths. The near infrared light detection section 8 has a near infrared light detector 7 which detects near infrared light which forms an image at a location of a depth different from the depths at which the three components of visible light form images. Clear color images with good color reproducibility are obtained by the visible light detection section 6, and at the same time clear luminance information or monochrome images are obtained by the near infrared light detection section 8.
    • 光学透镜1使得不同波长区域中的可见光和近红外光的三个分量根据其波长在不同位置分别形成图像。 成像元件2具有多个像素,其包括具有可见光检测部6的像素和具有近红外光检测部8的像素。 可见光检测部分6具有三个检测器3,4和5,其检测根据其波长在同一像素中在不同深度的位置处形成图像的可见光的三个分量。 近红外光检测部8具有近红外光检测器7,该近红外光检测器7检测在与可见光形成图像的三个成分的深度不同的深度的位置形成图像的近红外光。 通过可见光检测部6获得具有良好的色彩再现性的清晰彩色图像,同时通过近红外光检测部8获得清晰的亮度信息或单色图像。