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    • 3. 发明专利
    • Photoelectric sensor
    • 光电传感器
    • JP2014107698A
    • 2014-06-09
    • JP2012259102
    • 2012-11-27
    • Keyence Corp株式会社キーエンス
    • UOZUMI TOYOICHIYAMAZAKI KENTARO
    • H03K17/78G01V8/12
    • G01J1/44G01B11/00G01B11/14G01C3/02G01J1/0219G01J1/16G01S3/00G01S7/483G01S17/02G08B5/00
    • PROBLEM TO BE SOLVED: To provide a photoelectric sensor that allows an intuitive sensitivity adjustment and a ready awareness of an adjustment state while ensuring a wide dynamic range.SOLUTION: The photoelectric sensor includes: light projection means for generating pulsed detection light L1; a light receiving element for receiving the detection light L1 and generating a light reception signal depending on the amount of light received; a light reception circuit 5 for amplifying the light reception signal and superimposing the light reception signal on a reference level to generate a determinate light reception signal; signal strength adjustment means having a trimmer resistor 51 that is a variable resistor connected to the light reception circuit 5 and has a resistance value R3 changing with rotational position of an operating element, wherein the trimmer resistor 51 changes the light reception signal component of the determinate light reception signal with the resistance value R3; determination means for generating a determination signal on the basis of a result of comparison of the determinate light reception signal with a determination threshold; margin calculation means for computing a margin M by a ratio of the light reception signal component of the determinate light reception signal to a difference between the determination threshold and the reference level; and margin display means for displaying the margin M.
    • 要解决的问题:提供一种光电传感器,其能够在确保宽的动态范围的同时,进行直观的灵敏度调整和准备好的调节状态。解决方案:光电传感器包括:用于产生脉冲检测光L1的光投射装置; 光接收元件,用于接收检测光L1并根据所接收的光量产生光接收信号; 光接收电路5,用于放大光接收信号并将光接收信号叠加在参考电平上以产生确定的光接收信号; 信号强度调节装置,具有作为连接到光接收电路5的可变电阻器的微调电阻器51,并且具有随操作元件的旋转位置而变化的电阻值R3,其中,微调电阻器51改变确定的光接收信号分量 具有电阻值R3的光接收信号; 确定装置,用于根据确定的光接收信号与确定阈值的比较结果产生确定信号; 用于通过所述确定光接收信号的光接收信号分量与所述确定阈值与所述参考电平之间的差的比率来计算余量M的余量计算装置; 以及用于显示余量M的余量显示装置。
    • 4. 发明专利
    • Distance measuring device
    • 距离测量装置
    • JP2013170962A
    • 2013-09-02
    • JP2012035839
    • 2012-02-22
    • Ricoh Co Ltd株式会社リコー
    • SUZUKI SHUICHINAKAJIMA MITSURUYOSHIMURA KENICHI
    • G01S7/48G01C3/06G01S17/10
    • G01S17/02G01S7/4811G01S7/4817G01S17/10
    • PROBLEM TO BE SOLVED: To provide a distance measuring device capable of measuring a distance to a plurality of points in a surface of an object in a short time, while suppressing an increase in cost by using a simple configuration.SOLUTION: A distance measuring device 100 includes: a light source device 10 having two light emitting parts; a deflector 20 provided rotatably about an axis line of a rotational shaft 22, and having a plurality of deflecting surfaces reflecting laser light from the light source device 10 toward an object; a reflector 30 provided so as to be integrally rotatable with the deflector 20 about the axis line of the rotational shaft 22, and having a plurality of reflecting surfaces that individually correspond to the plurality of deflecting surfaces and that reflect a portion of the laser light reflected on the corresponding deflecting surface and on the object; and light receiving means 40 having one light receiving element 44 for receiving the laser light reflected by the reflector 30. Further, angles of inclination of the plurality of deflecting surfaces with respect to the axis line of the rotational shaft 22 are set respectively so as to be different from each other.
    • 要解决的问题:提供一种距离测量装置,其能够在短时间内测量与物体表面中的多个点的距离,同时通过使用简单的配置来抑制成本的增加。解决方案:距离测量装置 100包括:具有两个发光部的光源装置10; 偏转器20围绕旋转轴22的轴线可旋转地设置,并且具有将来自光源装置10的激光朝向物体反射的多个偏转表面; 反射器30,其设置成与偏转器20一体地围绕旋转轴22的轴线旋转,并且具有多个反射表面,该多个反射表面分别对应于多个偏转表面,并且反射部分激光反射 在相应的偏转表面和物体上; 以及具有一个光接收元件44的光接收装置40,用于接收由反射器30反射的激光。此外,多个偏转表面相对于旋转轴22的轴线的倾斜角分别设定为 彼此不同。
    • 10. 发明专利
    • Body detecting device
    • 身体检测装置
    • JPS6123986A
    • 1986-02-01
    • JP14368084
    • 1984-07-11
    • West Electric Co Ltd
    • HIGUCHI MASARU
    • G01S7/481G01S17/02
    • G01S17/02
    • PURPOSE:To easily perform body detection in an optional direction by roviding plural reflecting mirrors which vary optical axes of projection and photodetection of a projecting and a photodetecting element arranged on the same optional axis in the same direction and a means which holds those mirrors and rotates them around the arrangement axis of the projecting and photodetecting elements. CONSTITUTION:This detecting device is equipped with the projecting element 1 which is arranged on the optional axis and emits light, photodetecting element 2 which photodetects reflected light of said emitted light from an optional body, the 1st and the 2nd reflecting mirrors 4 and 5 which vary projection axes L1 and L1' of said projecting element 1 and photodetection axes L2 and L2' of the photodetecting element 2 in the same direction, a rotating body 3 which has a light passing space including an entrance and an exit for the projected light or reflected light and is rotatable around an optional axis, and a driving means 10 which rotates the rotating mirror 3 in an optional direction. Planes formed of the projection axes L1 and L1' and photodetection axes L2 and L2' are rotated around the optional axis by rotating the 1st and the 2nd reflecting mirrors through the rotation of the rotating body 3 to vary the detection direction of a body.
    • 目的:通过旋转多个反射镜来轻松执行身体检测,多个反射镜改变突出的光轴和在相同方向上布置在同一可选轴上的光电检测元件和保持这些反射镜并旋转的装置 它们围绕突出和受光元件的排列轴线。 构成:该检测装置配备有布置在可选轴上的突出元件1,并且发射光,该光检测元件2对来自可选主体的第一和第二反射镜4和5的所述发射光的反射光进行光电检测,第一和第二反射镜4和5 所述投影元件1的突出轴线L1,L1'与受光元件2的相同方向的光检测轴线L2,L2'不同,具有包含投射光的入射口和出射口的光通过空间的旋转体3, 反射光并且可以围绕可选择的轴线旋转;以及驱动装置10,其以可选方向旋转旋转镜3。 通过旋转体3的旋转使第1反射镜和第2反射镜转动,能够使投影轴L1,L1'和光检测轴L2,L2'形成的俯仰轴围绕可选轴旋转,从而改变主体的检测方向。