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1. 发明授权

US4688920A Focus state detecting system 失效
标题翻译：聚焦状态检测系统
公开(公告)号：US4688920A
公开(公告)日：1987-08-25
申请号：US778306
申请日：1985-09-20
申请人： Yasuo Suda , Hiroshi Ohmura , Akira Ishizaki , Akira Akashi , Keiji Ohtaka
发明人： Yasuo Suda , Hiroshi Ohmura , Akira Ishizaki , Akira Akashi , Keiji Ohtaka
IPC分类号： G03B13/36 , G02B7/34 , G03B3/00
CPC分类号： G02B7/343
摘要： A system for detecting the focus of an imaging lens relative to an object includes re-imaging means disposed on the imaging side of the imaging lens and having pupil dividing means for dividing the pupil of the imaging lens into a plurality of areas, the re-imaging means forming a secondary object image of the object from a light beam passed through the plurality of divided areas, an optical system disposed near the predetermined imaging plane of the imaging lens and having a reflecting surface for directing a primary object image of the object to the re-imaging means, and light-receiving means on which the secondary object image by the re-imaging means is formed.
摘要翻译：用于检测成像透镜相对于物体的焦点的系统包括设置在成像透镜的成像侧上的重新成像装置，并具有用于将成像透镜的光瞳分成多个区域的光瞳分割装置，成像装置，从穿过所述多个分割区域的光束形成所述物体的次要物体图像;光学系统，设置在所述成像透镜的预定成像平面附近，并具有用于将所述物体的主要物体图像指向的反射表面重新成像装置和由再成像装置形成辅助物体图像的光接收装置。

2. 发明授权

US4825239A Distance detection method and apparatus 失效
标题翻译：距离检测方法及装置
公开(公告)号：US4825239A
公开(公告)日：1989-04-25
申请号：US226557
申请日：1988-08-01
申请人： Yasuo Suda , Akira Akashi , Akira Ishizaki , Hiroshi Ohmura , Keiji Ohtaka
发明人： Yasuo Suda , Akira Akashi , Akira Ishizaki , Hiroshi Ohmura , Keiji Ohtaka
IPC分类号： G03B13/36 , G01C3/00 , G01C3/06 , G01C3/08 , G02B7/28 , G02B7/34 , G03B3/00
CPC分类号： G02B7/34
摘要： A distance detection apparatus comprising: a distance detection unit for detecting information on a distance to an object, a controller for operating the detection means a plurality of times, and for processing a plurality of information on the distance and outputting an optimum distance information; a status detector for detecting a status of the object for outputting information on the status; and a circuit for altering an information processing method of the controller, in accordance with the output of the status detection means.
摘要翻译：一种距离检测装置，包括：距离检测单元，用于检测与物体的距离的信息，多个操作所述检测装置的控制器，用于处理关于距离的多个信息并输出最佳距离信息; 状态检测器，用于检测用于输出关于状态的信息的对象的状态; 以及根据状态检测装置的输出来改变控制器的信息处理方法的电路。

3. 发明授权

US4739157A Method of detecting the correlation between signals with weighting 失效
标题翻译：用加权检测信号之间的相关性的方法
公开(公告)号：US4739157A
公开(公告)日：1988-04-19
申请号：US839951
申请日：1986-03-17
申请人： Akira Akashi , Akira Ishizaki , Yasuo Suda , Keiji Ohtaka , Hiroshi Ohmura
发明人： Akira Akashi , Akira Ishizaki , Yasuo Suda , Keiji Ohtaka , Hiroshi Ohmura
IPC分类号： G02B7/34 , G01J1/20 , G03B3/00
CPC分类号： G02B7/34
摘要： A correlation detecting method in which in order to detect the correlation between a pair of electrical signal trains which should effect a correlation operation, the operation is effected while the relative position of the signal trains is shifted and during the operation, the signal levels of at least the opposite ends of each signal train are reduced relative to the signals at a central position of the signal train, thereby mitigating the correlation error attributable to the signals near the ends of the signal trains.
摘要翻译：一种相关检测方法，其中为了检测应实现相关操作的一对电信号序列之间的相关性，在信号列的相对位置偏移并且在操作期间，在每个信号序列的相对端相对于信号序列的中心位置处的信号减小，从而减轻归因于信号序列末端附近的信号的相关误差。

4. 发明授权

US4716282A Focus state detection method and apparatus with selective statistical processing 失效
标题翻译：具有选择性统计处理的焦点状态检测方法和装置
公开(公告)号：US4716282A
公开(公告)日：1987-12-29
申请号：US764002
申请日：1985-08-09
申请人： Akira Akashi , Hiroshi Ohmura , Akira Ishizaki , Keiji Ohtaka , Yasuo Suda
发明人： Akira Akashi , Hiroshi Ohmura , Akira Ishizaki , Keiji Ohtaka , Yasuo Suda
IPC分类号： G03B13/36 , G02B7/28 , G02B7/34 , G03B3/00 , G01N1/20
CPC分类号： G02B7/34
摘要： A method and apparatus for detecting the focus state of an object image pattern in accordance with a plurality of photo-electrically converted output signals, including a first mode in which the plurality of photo-electrically converted output signals are sampled at different times and statistically processed for each output, wherein the focus state is detected in accordance with the statistically processed outputs, and a second mode for detecting the focus state without the statistical processing.
摘要翻译：一种用于根据多个光电转换输出信号检测对象图像图案的焦点状态的方法和装置，包括第一模式，其中多个光电转换输出信号在不同时间被采样并且被统计处理对于每个输出，其中根据统计处理的输出检测聚焦状态，以及用于在不进行统计处理的情况下检测聚焦状态的第二模式。

5. 发明授权

US4728785A Focus detecting device using adjustable inclined sensing means 失效
标题翻译：使用可调倾斜传感装置的聚焦检测装置
公开(公告)号：US4728785A
公开(公告)日：1988-03-01
申请号：US947824
申请日：1986-12-30
申请人： Ichiro Ohnuki , Yasuo Suda , Akira Ishizaki , Akira Akashi , Keiji Ohtaka , Takeshi Koyama
发明人： Ichiro Ohnuki , Yasuo Suda , Akira Ishizaki , Akira Akashi , Keiji Ohtaka , Takeshi Koyama
IPC分类号： G02B7/34 , G01J1/20
CPC分类号： G02B7/346
摘要： An adjusting screw for adjusting the inclination of a sensor unit body including sensing means for producing the information about the focus adjusted state on the basis of a light beam from an objective lens is moved with the sensor unit body perpendicularly to the optic axis of the objective lens, whereby adjustment of the optic axis of the objective lens is accomplished. At least two adjusting means are provided for inclining the sensing means itself at a predetermined angle with respect to the optic axis.
摘要翻译：用于调节传感器单元主体的倾斜度的调节螺钉，其包括用于根据来自物镜的光束产生关于聚焦调节状态的信息的感测装置，传感器单元主体垂直于物镜的光轴移动透镜，由此实现物镜的光轴的调节。提供至少两个调节装置用于使感测装置本身相对于光轴以预定的角度倾斜。

6. 发明授权

US4643557A Exposure control apparatus 失效
标题翻译：曝光控制装置
公开(公告)号：US4643557A
公开(公告)日：1987-02-17
申请号：US778718
申请日：1985-09-23
申请人： Akira Ishizaki , Akira Akashi , Keiji Ohtaka , Yasuo Suda , Akira Hiramatsu
发明人： Akira Ishizaki , Akira Akashi , Keiji Ohtaka , Yasuo Suda , Akira Hiramatsu
IPC分类号： G02B7/28 , G02B7/34 , G03B3/00 , G03B7/08 , G03B7/091 , G03B13/36
CPC分类号： G03B7/091 , G02B7/34 , G03B7/09972
摘要： This is disclosed an exposure control device capable of controlling an exposure by using a CCD etc. sensor in which CCD sensor is also used for detecting a focus state of an imaging lens of camera or the like.
摘要翻译：这是公开了一种能够通过使用CCD传感器来控制曝光的曝光控制装置，其中CCD传感器也用于检测照相机等的成像镜头的聚焦状态。

7. 发明授权

US4914282A Focus detection system employing multiple area light distribution sensors 失效
标题翻译：采用多区域配光传感器的聚焦检测系统
公开(公告)号：US4914282A
公开(公告)日：1990-04-03
申请号：US294920
申请日：1989-01-09
申请人： Akira Akashi , Akira Ishizaki , Akira Hiramatsu , Yasuo Suda , Keiji Ohtaka
发明人： Akira Akashi , Akira Ishizaki , Akira Hiramatsu , Yasuo Suda , Keiji Ohtaka
IPC分类号： G02B7/34
CPC分类号： G02B7/34
摘要： A focus detection system for detecting a focus state of an object lens, includes an optical device for forming first and second light distributions corresponding to first and second images having light fluxes passing through the different parts of a pupila of the object lens. The positional relationship between the two light distributions varies in accordance with the focus state of the object lens. First and second sensors sense the first and second light distributions. A signal processor for processing output signals from the first and second sensors detect the focus state of the object lens in accordance with the positional relationships between the two light distributions. The signal processor processes the signals from the first and second sensors in accordance with a predetermined formula to obtain the positional relationship between the two images to determine a degree of coincidence of the two light distributions. The signal processing means provides an output signal in accordance with the degree of coincidence of the two light distributions.
摘要翻译：用于检测物镜的焦点状态的焦点检测系统包括：用于形成与具有通过物镜的瞳孔的不同部分的光束的第一和第二图像对应的第一和第二光分布的光学装置。两个光分布之间的位置关系根据物镜的焦点状态而变化。第一和第二传感器检测第一和第二光分布。用于处理来自第一和第二传感器的输出信号的信号处理器根据两个光分布之间的位置关系检测物镜的聚焦状态。信号处理器根据预定公式处理来自第一和第二传感器的信号，以获得两个图像之间的位置关系，以确定两个光分布的一致度。信号处理装置根据两个光分布的一致度提供输出信号。

8. 发明授权

US4698492A Focus detector system with a distortion compensation mask 失效
标题翻译：具有失真补偿面罩的聚焦探测器系统
公开(公告)号：US4698492A
公开(公告)日：1987-10-06
申请号：US749383
申请日：1985-06-27
申请人： Keiji Ohtaka , Akira Hiramatsu , Yasuo Suda , Akira Akashi , Akira Ishizaki
发明人： Keiji Ohtaka , Akira Hiramatsu , Yasuo Suda , Akira Akashi , Akira Ishizaki
IPC分类号： G02B7/34 , G02B27/00 , G03B3/00 , G03B13/36 , G03B13/28 , G01J1/20
CPC分类号： G02B27/0025 , G02B7/343
摘要： A focus detection system includes an object lens for focusing an image of an object, a refocusing optical system for refocusing a plurality of component image having parallax from the image of the image, a view field mask arranged between the object lens and the refocusing optical system and having a laterally extending aperture, and a sensing device having a photo-sensor array for sensing the component images. Focus detection error is prevented by determining a sense area of the photo-sensor array in accordance with a distortion created in an aperture image by the refocusing optical system.
摘要翻译：焦点检测系统包括用于聚焦物体的图像的物镜，用于重新聚焦具有来自图像的图像的具有视差的多个分量图像的再聚焦光学系统，布置在物镜和重聚焦光学系统之间的视场屏蔽并且具有横向延伸的孔，以及具有用于感测组件图像的光传感器阵列的感测装置。通过根据通过重新聚焦光学系统在孔径图像中产生的失真来确定光电传感器阵列的感测区域来防止焦点检测误差。

9. 发明授权

US4618236A Focus detecting apparatus 失效
标题翻译：对焦检测装置
公开(公告)号：US4618236A
公开(公告)日：1986-10-21
申请号：US667818
申请日：1984-11-02
申请人： Akira Akashi , Akira Ishizaki , Akira Hiramatsu , Yasuo Suda , Keiji Ohtaka
发明人： Akira Akashi , Akira Ishizaki , Akira Hiramatsu , Yasuo Suda , Keiji Ohtaka
IPC分类号： G02B7/28 , G02B7/34 , G03B3/00 , G01J1/36
CPC分类号： G02B7/34
摘要： In an apparatus wherein on the basis of a light passing through an objective lens, a plurality of images whose relative positional relation varies in accordance with the focus state of the objective lens are formed and these images are detected by photoelectric conversion element arrays and a predetermined operation is effected by the use of a plurality of photoelectrically converted signals obtained correspondingly to the respective images to thereby detect the focus state of the objective lens, there are provided first adder means for comparing the photoelectrically converted signals of the respective images in a predetermined relation and adding the smaller signal and second adder means for comparing the photoelectrically connected signals of the respective images in a predetermined relation and adding the greater signal and focus detection is effected by utilization of the result of the addition of one of the first and second adder means in accordance with the object condition, whereby accurate focus detection is made possible for any object.
摘要翻译：在基于通过物镜的光的基础上，形成与物镜的聚焦状态相对的位置关系变化的多个图像，并且这些图像由光电转换元件阵列和预定的通过使用与各图像相对应地获得的多个光电转换信号来进行操作，从而检测物镜的聚焦状态，提供第一加法器装置，用于将预定关系的各图像的光电转换信号进行比较并且添加较小的信号和第二加法器装置，用于比较预定关系中的各个图像的光电连接的信号，并且通过利用第一和第二加法器装置之一的相加结果来增加更大的信号和焦点检测按照物体条件，对任何对象都可以进行reby准确的焦点检测。

10. 发明授权

US4859842A Multi-directional focus state detection apparatus 失效
标题翻译：多方向聚焦状态检测装置
公开(公告)号：US4859842A
公开(公告)日：1989-08-22
申请号：US313343
申请日：1989-02-21
申请人： Yasuo Suda , Ichiro Ohnuki , Akira Akashi , Akira Ishizaki , Keiji Ohtaka , Takeshi Koyama
发明人： Yasuo Suda , Ichiro Ohnuki , Akira Akashi , Akira Ishizaki , Keiji Ohtaka , Takeshi Koyama
IPC分类号： G02B7/34
CPC分类号： G02B7/346
摘要： A focus detection apparatus includes:a first optical device for forming light distributions, associated with an object image, whose relative positional relationship chnages along a first direction in accordance with a focusing state of the objective lens;a second optical device for forming light distributions, associated with the object image, whose relative positional relationship changes along a second direction in accordance with the focusing state of the objective lens;a first sensing unit, having a plurality of photosensors, for forming an electrical signal associated with the focusing state of the objective lens in order to sense the light distributions formed by the first optical device; anda second sensing unit, having a plurality of photosensors, for forming an electrical signal associated with the focusing state of the objective lens in order to sense the light distribution formed by the second optical device.
摘要翻译：焦点检测装置包括：第一光学装置，用于形成与物体图像相关联的光分布，其相对位置关系根据物镜的聚焦状态沿着第一方向检测; 用于形成与所述物体图像相关联的光分布的第二光学装置，其相对位置关系根据所述物镜的聚焦状态沿第二方向变化; 具有多个光电传感器的第一感测单元，用于形成与所述物镜的聚焦状态相关联的电信号，以便感测由所述第一光学装置形成的光分布; 以及具有多个光电传感器的第二感测单元，用于形成与物镜的聚焦状态相关联的电信号，以便感测由第二光学装置形成的光分布。

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