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    • 1. 发明申请
    • SOLID-STATE IMAGING DEVICE
    • 固态成像装置
    • US20130020471A1
    • 2013-01-24
    • US13638258
    • 2011-03-29
    • Keisuke KorekadoTomoyuki KamiyamaYoichi Nishimura
    • Keisuke KorekadoTomoyuki KamiyamaYoichi Nishimura
    • H01L27/146
    • H04N5/378H03M1/123H03M1/56H04N5/335H04N5/361
    • Disclosed is a solid-state imaging device capable of calculating the difference in charge obtained by photoelectric conversion, and capable of a high level of integration. A solid-state imaging device is provided with an AD converter which is provided with: a first comparator which outputs a signal corresponding to a first analogue signal of a first pixel by comparing said first analogue signal with a reference voltage supplied from the reference voltage generation unit which generates a reference voltage which gradually changes; a second comparator which outputs a signal corresponding to a second analogue signal of a second pixel by comparing said second analogue signal with the reference voltage supplied by the reference voltage generation unit; a difference circuit which finds the difference between the signal corresponding to said first analogue signal and the signal corresponding to said second analogue signal and outputs a difference signal; and a counter circuit which counts the number of pulses in a pulse sequence corresponding to the aforementioned difference signal and converts said difference signal into a digital signal.
    • 公开了能够计算通过光电转换获得的电荷差异并且能够高集成度的固态成像装置。 固态成像装置设置有AD转换器,其具有:第一比较器,其通过将所述第一模拟信号与从参考电压产生提供的参考电压进行比较来输出与第一像素的第一模拟信号相对应的信号 产生逐渐变化的参考电压的单元; 第二比较器,通过将所述第二模拟信号与由参考电压产生单元提供的参考电压进行比较来输出与第二像素的第二模拟信号相对应的信号; 差分电路,其找到与所述第一模拟信号相对应的信号与对应于所述第二模拟信号的信号之间的差异,并输出差分信号; 以及计数器电路,对与上述差分信号相对应的脉冲序列中的脉冲数进行计数,并将所述差分信号转换为数字信号。
    • 2. 发明申请
    • Optical device and mobile apparatus
    • 光学设备和移动设备
    • US20070296950A1
    • 2007-12-27
    • US11808250
    • 2007-06-07
    • Yoshiaki SakagamiYoichi NishimuraKenji Kadowaki
    • Yoshiaki SakagamiYoichi NishimuraKenji Kadowaki
    • G01C3/08G01B11/14
    • G01S7/4814G01S17/36G01S17/89G02B3/005G02B3/0068
    • An optical device ensuring projection of light over a wide range as well as reduction in size, and a mobile apparatus mounted with the optical device are provided. The optical device (100) includes a light-projecting unit (110) and a light-receiving unit (120). The light-projecting unit (110) has a projector (114) and a lenticular sheet (112) arranged in layers. First and second cylindrical lens arrays having their generatrices orthogonal to each other are formed on the respective surfaces of the sheet (112). The light-receiving unit (120) has a light-receiver (124). The light-projecting unit (110) and the light-receiving unit (120) are arranged adjacent to each other in an integrated manner so that the light-receiver (124) can sense the light emitted from the projector (114) via the sheet (112) and then reflected from an object.
    • 提供了一种保证在宽范围内投射光以及减小尺寸的光学装置以及安装有光学装置的移动装置。 光学装置(100)包括投光单元(110)和光接收单元(120)。 投光单元(110)具有层叠的投影仪(114)和透镜片(112)。 在片材(112)的各个表面上形成具有彼此正交的母体的第一和第二柱面透镜阵列。 光接收单元(120)具有光接收器(124)。 光投射单元(110)和光接收单元(120)以一体的方式彼此相邻地布置,使得光接收器(124)可以经由片材感测从投影仪(114)发射的光 (112),然后从对象反射。
    • 10. 发明申请
    • Device for absorbing floor-landing shock for legged mobile robot
    • 用于吸收腿式移动机器人地板撞击的装置
    • US20050077856A1
    • 2005-04-14
    • US10499117
    • 2002-12-11
    • Toru TakenakaHiroshi GomiKazushi HamayaYoshinari TakemuraTakashi MatsumotoTakahide YoshiikeYoichi NishimuraKazushi AkimotoTaro Yokoyama
    • Toru TakenakaHiroshi GomiKazushi HamayaYoshinari TakemuraTakashi MatsumotoTakahide YoshiikeYoichi NishimuraKazushi AkimotoTaro Yokoyama
    • B25J5/00B25J19/00B62D57/032F16F9/04
    • F16F9/0481B25J19/0091B62D57/032
    • A landing shock absorbing device 18 provided in a foot mechanism 6 of a leg of a robot comprises an inflatable and compressible bag-like member 19 (a variable capacity element) on a bottom face side of the foot mechanism 6. The bag-like member 19 is constructed of an elastic material such as rubber. Air in the atmosphere can flow into and out of the bag-like member 19 by inflow/outflow means 20 provided with a solenoid valve 27 and the like. In a landing state of the foot mechanism 6 and in a state immediately after the foot mechanism shifts from the landing state to a lifting state, the solenoid valve 27 is closed to maintain the bag-like member 19 in a compressed state. Furthermore, during the bag-like member 19 in the inflating state during the lifting state of the foot mechanism 6, by controlling timing when the solenoid valve 27 is switched from a valve opening state to a valve closing state, a height of the bag-like member 19 in a compression direction is controlled to be a height suitable for a gait type of the robot. Thereby, posture stability of the robot can be secured easily while reducing a impact load in the landing motion of the leg of the legged mobile robot, and further, a lightweight configuration can be achieved.
    • 设置在机器人腿部的脚部机构6中的着陆减震装置18包括在脚部机构6的底面侧上的可膨胀且可压缩的袋状构件19(可变容量元件)。袋状构件 19由橡胶等弹性材料构成。 大气中的空气可以通过设置有电磁阀27等的流入/流出装置20流入和流出袋状构件19。 在脚部机构6的着陆状态下,并且在脚部机构从着陆状态转移到提升状态之后的状态下,电磁阀27关闭,以将袋状部件19维持在压缩状态。 此外,在脚部机构6的提升状态期间处于充气状态的袋状部件19中,通过控制电磁阀27从开阀状态切换到关闭状态的定时, 压缩方向的板状构件19被控制为适合于步态机器人的高度。 因此,能够容易地确保机器人的姿势稳定性,同时减少有腿可动机器人的腿部的着陆运动中的冲击负荷,并且还可以实现轻量化的构造。