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    • 4. 发明申请
    • Traveling robot
    • 旅行机器人
    • US20070119635A1
    • 2007-05-31
    • US11601706
    • 2006-11-20
    • Youn-baek LeeSoo-sang YangYong-jae KimYeon-taek OhJeong-hun Kim
    • Youn-baek LeeSoo-sang YangYong-jae KimYeon-taek OhJeong-hun Kim
    • B62D61/10
    • B25J5/007B62D61/12
    • A traveling robot includes a main body frame having a front wheel supported in a front portion thereof in a traveling direction, a first traveling part having a first driving wheel to drive in the traveling direction, a first rear wheel disposed in a rear side of the first driving wheel, and a first wheel frame to support the first driving wheel and the first rear wheel, a second traveling part having a second driving wheel to drive in the traveling direction independently from the first driving wheel, a second rear wheel disposed in a rear side of the second driving wheel, and a second wheel frame to support the second driving wheel and the second rear wheel, a first interlocking hinge part to rotatably support the first wheel frame to the main body frame to have a hinge axis of a perpendicular direction with respect to the traveling direction, and a second interlocking hinge part to rotatably support the second wheel frame to the main body frame independently from the first interlocking hinge part to have a hinge axis of the same direction as the first interlocking hinge part.
    • 一种旅行机器人包括主体框架,其主体框架具有沿行进方向被支撑在其前部的前轮,第一行进部件具有沿行进方向驱动的第一驱动轮,设置在行进方向的后侧的第一后轮 第一驱动轮和支撑第一驱动轮和第一后轮的第一车轮框架,具有独立于第一驱动轮而沿行进方向驱动的第二驱动轮的第二行驶部件,设置在第一驱动轮中的第二后轮 第二驱动轮的后侧以及支撑第二驱动轮和第二后轮的第二轮框架,第一互锁铰链部分,用于将第一轮框架可旋转地支撑到主体框架以具有垂直的铰链轴线 相对于行进方向的方向,以及第二互锁铰链部分,其独立于第一互锁部分可旋转地将第二轮框架支撑到主体框架 铰链部分具有与第一互锁铰链部分相同方向的铰链轴线。
    • 5. 发明授权
    • Optical disk reproducing apparatus for compensating for tracking error by using real-time repetitive control and method of driving optical disk reproducing apparatus
    • 用于通过使用实时重复控制来补偿跟踪误差的光盘再现装置和驱动光盘再现装置的方法
    • US07215608B2
    • 2007-05-08
    • US10863919
    • 2004-06-09
    • Jeong-hun Kim
    • Jeong-hun Kim
    • G11B7/00
    • G11B7/0953G11B7/0901
    • An optical disk reproducing apparatus for compensating for a tracking error by using a real-time repetitive control and a method of driving the optical reproducing apparatus are provided. The optical disk reproducing apparatus repetitively compensates for the tracking error in a real time and with high resolution in accordance with the tracking error frequency by using a sampling frequency obtained by performing frequency multiplication on a disk rotation detection signal, corresponding to one rotation of a disk, without initially compensating the tracking error by using tracking error signals in one or several disk rotations. Accordingly, it is possible to cope with a frequency change of the tracking error due to a rotational frequency difference between inner and outer circumferences in a CLV mode or a rotational frequency change generated when the speed changes in a CAV mode. In addition, it is possible to stably compensate for the tracking error without additionally compensating for a phase or gain.
    • 提供了一种用于通过使用实时重复控制来补偿跟踪误差的光盘再现装置和驱动光学再现装置的方法。 光盘再现装置通过使用对与盘旋转检测信号相对应的盘旋转检测信号获得的采样频率,根据跟踪误差频率实时地和高分辨率地补偿跟踪误差, ,而不是通过在一个或多个盘旋转中使用跟踪误差信号来初始地补偿跟踪误差。 因此,可以应对在CLV模式中的内外周之间的旋转频率差异或当CAV模式下的速度变化时产生的旋转频率变化时的跟踪误差的频率变化。 此外,可以稳定地补偿跟踪误差,而无需额外补偿相位或增益。
    • 6. 发明授权
    • Traveling robot
    • 旅行机器人
    • US07721829B2
    • 2010-05-25
    • US11601706
    • 2006-11-20
    • Youn-baek LeeSoo-sang YangYong-jae KimYeon-taek OhJeong-hun Kim
    • Youn-baek LeeSoo-sang YangYong-jae KimYeon-taek OhJeong-hun Kim
    • B62D11/02
    • B25J5/007B62D61/12
    • A traveling robot includes a main body frame having a front wheel supported in a front portion thereof in a traveling direction, a first traveling part having a first driving wheel to drive in the traveling direction, a first rear wheel disposed in a rear side of the first driving wheel, and a first wheel frame to support the first driving wheel and the first rear wheel, a second traveling part having a second driving wheel to drive in the traveling direction independently from the first driving wheel, a second rear wheel disposed in a rear side of the second driving wheel, and a second wheel frame to support the second driving wheel and the second rear wheel, a first interlocking hinge part to rotatably support the first wheel frame to the main body frame to have a hinge axis of a perpendicular direction with respect to the traveling direction, and a second interlocking hinge part to rotatably support the second wheel frame to the main body frame independently from the first interlocking hinge part to have a hinge axis of the same direction as the first interlocking hinge part.
    • 一种旅行机器人包括主体框架,其主体框架具有沿行进方向被支撑在其前部的前轮,第一行进部件具有沿行进方向驱动的第一驱动轮,设置在行进方向的后侧的第一后轮 第一驱动轮和支撑第一驱动轮和第一后轮的第一车轮框架,具有独立于第一驱动轮而沿行进方向驱动的第二驱动轮的第二行驶部件,设置在第一驱动轮中的第二后轮 第二驱动轮的后侧以及支撑第二驱动轮和第二后轮的第二轮框架,第一互锁铰链部分,用于将第一轮框架可旋转地支撑到主体框架以具有垂直的铰链轴线 相对于行进方向的方向,以及第二互锁铰链部分,其独立于第一互锁部分可旋转地将第二轮框架支撑到主体框架 铰链部分具有与第一互锁铰链部分相同方向的铰链轴线。
    • 7. 发明申请
    • Optical disk reproducing apparatus for compensating for tracking error by using real-time repetitive control and method of driving optical disk reproducing apparatus
    • 用于通过使用实时重复控制来补偿跟踪误差的光盘再现装置和驱动光盘再现装置的方法
    • US20050018557A1
    • 2005-01-27
    • US10863919
    • 2004-06-09
    • Jeong-hun Kim
    • Jeong-hun Kim
    • G11B7/00G11B7/09G11B7/095
    • G11B7/0953G11B7/0901
    • An optical disk reproducing apparatus for compensating for a tracking error by using a real-time repetitive control and a method of driving the optical reproducing apparatus are provided. The optical disk reproducing apparatus repetitively compensates for the tracking error in a real time and with high resolution in accordance with the tracking error frequency by using a sampling frequency obtained by performing frequency multiplication on a disk rotation detection signal, corresponding to one rotation of a disk, without initially compensating the tracking error by using tracking error signals in one or several disk rotations. Accordingly, it is possible to cope with a frequency change of the tracking error due to a rotational frequency difference between inner and outer circumferences in a CLV mode or a rotational frequency change generated when the speed changes in a CAV mode. In addition, it is possible to stably compensate for the tracking error without additionally compensating for a phase or gain.
    • 提供了一种用于通过使用实时重复控制来补偿跟踪误差的光盘再现装置和驱动光学再现装置的方法。 光盘再现装置通过使用对与盘旋转检测信号相对应的盘旋转检测信号获得的采样频率,根据跟踪误差频率实时地和高分辨率地补偿跟踪误差, ,而不是通过在一个或多个盘旋转中使用跟踪误差信号来初始地补偿跟踪误差。 因此,可以应对在CLV模式中的内外周之间的旋转频率差异或当CAV模式下的速度变化时产生的旋转频率变化时的跟踪误差的频率变化。 此外,可以稳定地补偿跟踪误差,而无需额外补偿相位或增益。
    • 8. 发明授权
    • Picture aperture correction circuit
    • 图像孔径校正电路
    • US5218438A
    • 1993-06-08
    • US764835
    • 1991-09-24
    • Jeong-hun Kim
    • Jeong-hun Kim
    • H04N1/409H04N5/208
    • H04N5/208
    • A picture aperture correction circuit compensates aperture signal strength to add the compensated aperture component to the video signal. The circuit comprises an input terminal for entering a luminance signal, an aperture signal detector for detecting an aperture signal from the luminance signal supplied to the input terminal, an aperture level regulator to regulate the aperture signal to have variation of a specified slope, a level limiter section to limit the levels of the regulated signal to a specified level, a first adder that adds the limited level aperture signal to the detected aperture signal, and a second adder that adds the luminance signal supplied at the input terminal with the aperture signal from the first adder and generates an aperture corrected luminance signal.
    • 图像孔径校正电路补偿孔径信号强度以将补偿的孔径分量添加到视频信号。 该电路包括用于输入亮度信号的输入端子,用于从提供给输入端子的亮度信号中检测孔径信号的孔径信号检测器,用于调整孔径信号以具有指定斜率变化的孔径电平调节器, 限制器部分,用于将限制信号的电平限制到指定电平;第一加法器,用于将限制电平的光圈信号加到检测到的孔径信号;以及第二加法器,将在输入端提供的亮度信号与来自 第一加法器并产生孔径校正亮度信号。