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    • 34. 发明专利
    • Adjusting type range finder and distance measuring method thereof
    • 调整类型范围查找器及其距离测量方法
    • JP2011209262A
    • 2011-10-20
    • JP2010178435
    • 2010-08-09
    • Ind Technol Res Inst財団法人工業技術研究院Industrial Technology Research Institute
    • CHENG CHIH-CHENGSO SHIGOHU JWU-SHENGPAO YU-NANHSU CHIN-JUCHANG YEN-CHUNG
    • G01C3/06
    • H04N13/021G01C3/085G01C3/32H04N13/0235H04N2013/0081
    • PROBLEM TO BE SOLVED: To provide an adjusting type range finder and a distance measuring method thereof.SOLUTION: The adjusting type range finder and a method thereof causes a first light beam having an object video to pass through an optical deflection element and generates a second light beam having an object video. The optical deflection element includes a liquid crystal layer and a transparent type Blaze diffraction grating, and the liquid crystal layer is electrically connected to a voltage device. A first voltage is provided to the liquid crystal layer by the voltage device. The second light beam is projected to an optical image formation apparatus to form an M-th order diffracted video in which energy is concentrated. The voltage device is adjusted and the second voltage is provided to the liquid crystal layer. The second light beam is caused to form an N-th order diffracted video in the optical image formation apparatus. The M-th order diffracted video and the N-th order diffracted video forms a set of video series. An actual distance of the object from the optical deflection element is calculated, based on deviation amount of an image formation position of an object, in the set of video series.
    • 要解决的问题:提供一种调节型测距仪及其距离测量方法。解决方案:调节型测距仪及其方法使得具有物体视频的第一光束通过光学偏转元件,并产生第二 光束具有物体视频。 光学偏转元件包括液晶层和透明型火焰衍射光栅,并且液晶层电连接到电压装置。 通过电压装置向液晶层提供第一电压。 将第二光束投影到光学图像形成装置,以形成其中能量集中的M级衍射视频。 调整电压装置,并向液晶层提供第二电压。 使第二光束在光学图像形成装置中形成N级衍射视频。 M阶衍射视频和N阶衍射视频形成一组视频序列。 基于视频序列的集合中的物体的图像形成位置的偏离量,计算物体与光学偏转元件的实际距离。
    • 35. 发明专利
    • Photographing system and lens device
    • 摄影系统和镜头装置
    • JP2010113043A
    • 2010-05-20
    • JP2008283931
    • 2008-11-05
    • Canon Incキヤノン株式会社
    • KANOYAMA MASAOMI
    • G02B7/28G02B7/34G03B13/36H04N5/225H04N5/232
    • G01C3/32G02B7/285G02B7/34G03B13/20H04N5/23212
    • PROBLEM TO BE SOLVED: To automatically select a main subject from a plurality of subjects and display a distance to the main subject and a difference in distance between the objects.
      SOLUTION: A photographing system includes: a lens device; and a camera 2 for photographing using the lens device. In this case, the system includes: a distance calculating means 114 for calculating an subject distance in each of a plurality of ranging areas 1-16 provided in a photographing range; a distance information generating means 114 for generating distance information showing at least one out of an subject distance calculated by the distance calculating means and a difference in distance between the subjects; an extract means 115 for extracting a ranging area in which the subject distance calculated by the distance calculating means is within a first range A among the plurality of ranging areas; and an output image generating means 203 for generating an output image including a photographed image generated by the camera and distance information corresponding to the ranging area extracted by the extract means.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:从多个被摄体自动选择主要被摄体并且显示与主要被摄体的距离和物体之间的距离差。 解决方案:拍摄系统包括:透镜装置; 以及用于使用透镜装置拍摄的照相机2。 在这种情况下,系统包括:距离计算装置114,用于计算设置在拍摄范围中的多个测距区域1-16中的每一个中的被摄体距离; 距离信息发生装置114,用于产生示出由距离计算装置计算出的被摄体距离中的至少一个以及被摄体之间的距离差的距离信息; 提取装置115,用于提取由距离计算装置计算出的被摄体距离在多个测距区域中的第一范围A内的测距区域; 以及输出图像生成装置203,用于生成包括由照相机产生的拍摄图像的输出图像和与由提取装置提取的测距区域对应的距离信息。 版权所有(C)2010,JPO&INPIT
    • 38. 发明专利
    • Distance measuring device
    • 距离测量装置
    • JPS58202812A
    • 1983-11-26
    • JP8704282
    • 1982-05-21
    • Canon Inc
    • KANEDA NAOYAFUJIWARA AKIHIRO
    • G01C3/06G01C3/00G01C3/32G01D5/12G02B7/32
    • G01C3/32
    • PURPOSE:To make it possible to measure the distance between minute bodies, by changing a focusing mode based on a differential output into a scanning mode based on a peak value when the respective outputs of two regions are smaller than a threshold value, and scanning the region whose distance is to be measured. CONSTITUTION:The device of the present invention is ordinarily operated in a focusing mode. A motor driving circuit 121 drives a motor M in the forward direction or reverse direction depending on whether signals A and B in a far region and a near region are (A-B)>+V2 or (A-B)
    • 目的:通过在两个区域的各个输出小于阈值时基于峰值将基于差分输出的差分输出改变为扫描模式的聚焦模式来测量微小物体之间的距离,并扫描 要测量距离的区域。 构成:本发明的装置通常以聚焦模式操作。 马达驱动电路121根据远区域和近区域中的信号A和B分别为(A-B)> + V2还是(A-B)<-V2,沿正向或反向驱动马达M. 同时,离合器CL由定序器120控制并被致动,并且透镜组1沿其光轴被向右或向左驱动。 与驱动相关联地,沿着使差(A-B)变为最小值的方向驱动光投射元件3。 当(AB)的值被设定在规定的阈值V2的范围内时,通过窗口型比较器119检测出该事实。通过比较器的输出信号来考虑聚焦,并且伺服机构暂时地 停了