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    • 5. 发明授权
    • Speed detection device
    • 速度检测装置
    • US09151772B2
    • 2015-10-06
    • US13582313
    • 2010-03-16
    • Hiroshi Yoshikawa
    • Hiroshi Yoshikawa
    • G01P11/00G01P15/00G01P3/489G06F7/499G01P3/481
    • G01P3/489G01P3/481G06F7/4991
    • To include a pulse counting unit, a pulse timing unit, an overflow detection unit that holds a detected matter in an overflow register, a capture unit that holds an output of the pulse counting unit in a pulse counting register and holds an output of the pulse timing unit in a pulse timing register, and a computation unit (frequency calculation unit) that reads the pulse counting register, the pulse timing register, and the overflow register to calculate a frequency computation value, and when the pulse timing unit has overflowed, the computation unit adds a predetermined constant acquired by a period of a capture clock a period of a timing clock to pulse timing data at the previous interrupt to obtain pulse timing data acquired by a period of time from the last pulse edge a period of the timing clock.
    • 为了包括脉冲计数单元,脉冲定时单元,将检测到的物体保持在溢出寄存器中的溢出检测单元,将脉冲计数单元的输出保持在脉冲计数寄存器中并保持脉冲的输出的捕获单元 脉冲定时寄存器中的定时单元和读取脉冲计数寄存器,脉冲定时寄存器和溢出寄存器的计算单元(频率计算单元)来计算频率计算值,并且当脉冲定时单元溢出时, 计算单元将由捕获时钟的周期获取的预定常数与定时时钟的周期相加在先前的中断处的脉冲定时数据,以获得从定时时钟的周期的最后脉冲沿开始的一段时间获取的脉冲定时数据 。
    • 6. 发明授权
    • Image processing apparatus, method of controlling the same, distance measurement apparatus, and storage medium
    • 图像处理装置,其控制方法,距离测量装置和存储介质
    • US08938099B2
    • 2015-01-20
    • US13312206
    • 2011-12-06
    • Hiroshi Yoshikawa
    • Hiroshi Yoshikawa
    • H04N7/18G01B11/25H04N5/225
    • H04N7/18G01B11/2545H04N5/2256
    • An image processing apparatus includes a projection unit adapted to project pattern-light onto an object; an image capturing unit adapted to capture the object; a calculation unit adapted to calculate a line direction of the pattern-light in each predetermined region of the image; a decision unit adapted to decide an epipolar-line based on a relationship between the projection unit and the image capturing unit; a determination unit adapted to determine whether an angle made by the direction of the epipolar-line and the line direction is not more than a predetermined value; and a detection unit adapted to detect a first-region when the angle is not more than the predetermined value, and detect a second-region when the angle is more than the predetermined value. The projection unit projects the pattern-light having a line component parallel to the epipolar-line.
    • 图像处理装置包括:投影单元,其适于将图案光投射到物体上; 适于捕获所述物体的图像捕获单元; 计算单元,适于计算图像的每个预定区域中的图案光的线方向; 决定单元,其适于基于所述投影单元和所述图像拍摄单元之间的关系来决定对极线; 确定单元,用于确定由所述对极线和所述线方向的方向所产生的角度是否不大于预定值; 以及检测单元,其适于在所述角度不大于所述预定值时检测第一区域,并且当所述角度大于所述预定值时检测第二区域。 投影单元投影具有与分支线平行的线分量的图案光。
    • 7. 发明授权
    • Train braking device
    • 列车制动装置
    • US08646853B2
    • 2014-02-11
    • US12999207
    • 2008-07-24
    • Yasuharu ItanoHiroshi YamadaEtsuji MatsuyamaHiroshi Yoshikawa
    • Yasuharu ItanoHiroshi YamadaEtsuji MatsuyamaHiroshi Yoshikawa
    • B60T11/20
    • B60T17/228B60T8/1893B60T8/3235B60T13/665
    • To provide a train braking device including a controller that controls a brake cylinder pressure acting on a brake cylinder based on a service brake command or an emergency brake command, the train braking device includes a supply valve for supplying compressed air to the brake cylinder and an exhaust valve for adjusting a pressure of the supplied compressed air. The controller includes an electromagnetic-valve drive circuit, which includes a first switch circuit that a first switch for slide control is connected in parallel to ends of a serially connected circuit of a first switch for emergency brake and a first switch for service brake control with its one end being connected to a circuit power supply and the other end being connected to the supply valve, and a second switch circuit that a second switch for slide control is connected in parallel to ends of a serially connected circuit of a second switch for emergency brake and a second switch for service brake control with its one end being connected to the first switch circuit and the other end being connected to the exhaust valve.
    • 为了提供一种列车制动装置,其包括控制器,其基于行驶制动指令或紧急制动指令来控制作用在制动缸上的制动液缸压力,所述列车制动装置包括用于向制动缸供给压缩空气的供给阀, 排气阀,用于调节供应的压缩空气的压力。 该控制器包括一个电磁阀驱动电路,它包括第一开关电路,第一开关用于滑动控制,并联连接到用于紧急制动的第一开关的串联连接电路的端部和用于行车制动控制的第一开关, 其一端连接到电路电源,另一端连接到供应阀;以及第二开关电路,其用于滑动控制的第二开关并联连接到用于紧急情况的第二开关的串联电路的端部 制动器和用于行车制动控制的第二开关,其一端连接到第一开关电路,另一端连接到排气阀。
    • 9. 发明申请
    • SPEED DETECTION DEVICE
    • 速度检测装置
    • US20120323523A1
    • 2012-12-20
    • US13582313
    • 2010-03-16
    • Hiroshi Yoshikawa
    • Hiroshi Yoshikawa
    • G01P11/00G06F15/00
    • G01P3/489G01P3/481G06F7/4991
    • To include a pulse counting unit, a pulse timing unit, an overflow detection unit that holds a detected matter in an overflow register, a capture unit that holds an output of the pulse counting unit in a pulse counting register and holds an output of the pulse timing unit in a pulse timing register, and a computation unit (frequency calculation unit) that reads the pulse counting register, the pulse timing register, and the overflow register to calculate a frequency computation value, and when the pulse timing unit has overflowed, the computation unit adds a predetermined constant acquired by a period of a capture clock a period of a timing clock to pulse timing data at the previous interrupt to obtain pulse timing data acquired by a period of time from the last pulse edge a period of the timing clock.
    • 为了包括脉冲计数单元,脉冲定时单元,将检测到的物体保持在溢出寄存器中的溢出检测单元,将脉冲计数单元的输出保持在脉冲计数寄存器中并保持脉冲的输出的捕获单元 脉冲定时寄存器中的定时单元和读取脉冲计数寄存器,脉冲定时寄存器和溢出寄存器的计算单元(频率计算单元)来计算频率计算值,并且当脉冲定时单元溢出时, 计算单元将由捕获时钟的周期获取的预定常数与定时时钟的周期相加在先前的中断处的脉冲定时数据,以获得从定时时钟的周期的最后脉冲沿开始的一段时间获取的脉冲定时数据 。
    • 10. 发明申请
    • IMAGE PROCESSING APPARATUS, METHOD OF CONTROLLING THE SAME, DISTANCE MEASUREMENT APPARATUS, AND STORAGE MEDIUM
    • 图像处理装置,其控制方法,距离测量装置和存储介质
    • US20120154577A1
    • 2012-06-21
    • US13312206
    • 2011-12-06
    • Hiroshi Yoshikawa
    • Hiroshi Yoshikawa
    • H04N7/18H04N5/217
    • H04N7/18G01B11/2545H04N5/2256
    • An image processing apparatus includes a projection unit adapted to project pattern-light onto an object; an image capturing unit adapted to capture the object; a calculation unit adapted to calculate a line direction of the pattern-light in each predetermined region of the image; a decision unit adapted to decide an epipolar-line based on a relationship between the projection unit and the image capturing unit; a determination unit adapted to determine whether an angle made by the direction of the epipolar-line and the line direction is not more than a predetermined value; and a detection unit adapted to detect a first-region when the angle is not more than the predetermined value, and detect a second-region when the angle is more than the predetermined value. The projection unit projects the pattern-light having a line component parallel to the epipolar-line.
    • 图像处理装置包括:投影单元,其适于将图案光投射到物体上; 适于捕获所述物体的图像捕获单元; 计算单元,适于计算图像的每个预定区域中的图案光的线方向; 决定单元,其适于基于所述投影单元和所述图像拍摄单元之间的关系来决定对极线; 确定单元,用于确定由所述对极线和所述线方向的方向所产生的角度是否不大于预定值; 以及检测单元,其适于在所述角度不大于所述预定值时检测第一区域,并且当所述角度大于所述预定值时检测第二区域。 投影单元投影具有与分支线平行的线分量的图案光。