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公开(公告)号：US4547663A
公开(公告)日：1985-10-15
申请号：US596575
申请日：1984-04-05
申请人： Nozomu Kitagishi , Shin Yamaguchi , Shinji Sakai , Takao Kinoshita , Takashi Kawabata , Nobuhiko Shinoda , Kazuya Hosoe
发明人： Nozomu Kitagishi , Shin Yamaguchi , Shinji Sakai , Takao Kinoshita , Takashi Kawabata , Nobuhiko Shinoda , Kazuya Hosoe
CPC分类号： G03B3/10
摘要： A focus detecting apparatus is disclosed which includes a focusing optical system for forming an object image on a predetermined focal plane and photoelectric devices disposed before and behind the focal plane at substantially equal distances from the plane. The photoelectric devices detect the focus states of the object images formed thereon respectively. The focus state of the object image on the focal plane is detected depending on whether or not the focus states on the photoelectric devices are equal to each other. According to the invention such a focus detecting apparatus further includes a mask for gradually decreasing the quantity of light incident upon the photoelectric devices in the direction away from the center of the incident beam. Under the action of such a mask, the focus states of object images before and behind the predetermined focal plane at substantially equal distances from the focal plane are made approximately equal to each other.
摘要翻译： 公开了一种聚焦检测装置，其包括用于在预定焦平面上形成物体图像的聚焦光学系统和设置在距离平面基本相等的距离处的焦平面之前和之后的光电装置。 光电装置分别检测形成在其上的物体图像的聚焦状态。 根据光电装置上的聚焦状态是否相等来检测焦平面上的对象图像的聚焦状态。 根据本发明，这种焦点检测装置还包括用于逐渐减小入射在光电装置上的光在远离入射光束中心的方向上的掩模。 在这种掩模的作用下，预定焦平面之前和之后距离焦平面基本相等的物体图像的聚焦状态大致相等。
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公开(公告)号：US4341953A
公开(公告)日：1982-07-27
申请号：US151533
申请日：1980-05-19
申请人： Shinji Sakai , Nobuhiko Shinoda , Takao Kinoshita , Takashi Kawabata , Nozomu Kitagishi , Kazuya Hosoe , Tadashi Ito
发明人： Shinji Sakai , Nobuhiko Shinoda , Takao Kinoshita , Takashi Kawabata , Nozomu Kitagishi , Kazuya Hosoe , Tadashi Ito
CPC分类号： G03B3/10
摘要： A focus detecting system for detecting focusing condition of an image forming optical system to an object. In this system there are produced first and second signals corresponding to imaging conditions of object images at first and second positions on front and rear sides of and at substantially equal distances from a predetermined focal plane of said optical system, respectively, and another signal corresponding to imaging condition of an object image at third position substantially coincident with said predetermined focal plane. In accordance with these first, second and third signals, a decision is given as to the focusing condition, namely, in-focus, near-focus or far-focus condition, as well as, the distinction between correctly focused condition and considerably defocused condition.
摘要翻译： 一种用于检测成像光学系统的对焦条件到对象的焦点检测系统。 在该系统中，分别产生对应于来自所述光学系统的预定焦平面的前侧和后侧上的第一和第二位置处的物体图像的成像条件的第一和第二信号，以及对应于 在第三位置处的物体图像的成像条件基本上与所述预定焦平面重合。 根据这些第一，第二和第三信号，给出关于聚焦条件即聚焦，近焦点或远焦点条件以及正确聚焦条件和显着散焦条件之间的区别的决定 。
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公开(公告)号：US4496832A
公开(公告)日：1985-01-29
申请号：US310373
申请日：1981-10-09
摘要： A focusing state discriminating system of the invention discriminates the focusing state of an image forming optical system, based on signals F1, F2 and F3 representing image formation states of images formed at first, second and third positions of the optical system which substantially correspond to positions slightly in front of, coincident with and slightly behind the predetermined focal plane of the image forming optical system. The operation for discrimination in this system includes at least a comparison of .vertline.F1-F3.vertline. and K(F1+F2+F3), where K is a constant.
摘要翻译： 本发明的聚焦状态识别系统基于表示在光学系统的第一，第二和第三位置形成的图像的图像形成状态的信号F1，F2和F3来识别图像形成光学系统的聚焦状态，该图像形成状态基本上对应于位置 略微在前面，与图像形成光学系统的预定焦平面重合并略微落后。 该系统中的鉴别操作至少包括| F1-F3‖和K（F1 + F2 + F3）的比较，其中K是常数。
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公开(公告)号：US4428652A
公开(公告)日：1984-01-31
申请号：US313578
申请日：1981-10-21
CPC分类号： G02B7/38
摘要： A focus detecting system detects an image formation state of an image of an object by processing a time-serial output from a photoelectric transducer element through a high-pass filter. In order to suppress the outputs from the high-pass filter corresponding to the time-serial signal at the initial moment of light reception by the photoelectric transducer element or immediately thereafter, an amplifier is provided which performs the initial setting of the high-pass filter. The input and output ends of the amplifier are connected to parts of the high-pass filter, and the output impedance of the amplifier may be changed in response to a signal from an external source.
摘要翻译： 焦点检测系统通过高通滤波器处理来自光电换能器元件的时间序列输出来检测物体的图像的图像形成状态。 为了抑制由光电元件的光接收的初始时刻对应于时间序列信号的高通滤波器的输出，或者紧接在此之后，设置执行高通滤波器的初始设定的放大器 。 放大器的输入和输出端连接到高通滤波器的一部分，并且放大器的输出阻抗可以响应于来自外部源的信号而改变。
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公开(公告)号：US4415924A
公开(公告)日：1983-11-15
申请号：US245349
申请日：1981-03-19
摘要： In a photoelectric transducer device such as a solid state image pick-up device or sensor having a great number of minute photoelectric transducer elements with their image-receiving surfaces of certain shape arranged in a one-dimensional or two-dimensional manner so that brightness informations of the various individual sections of the object image are sensed by the respective photoelectric transducer elements which then produce outputs in the form of time-sequential signals, the above-described shape of the image-receiving surface area of each of the minute photoelectric transducer elements is made to be such that, as the distance from the center of the image receiving area toward the margin increases, the proportion of the area of a progressively farther concentric zone of the same width is decreased. The shape takes such a form or such characteristics as to be represented by a sampling function or other analogous functions with respect to the scanning direction of the image pick-up device.
摘要翻译： 在诸如具有大量微小光电元件的固态摄像装置或传感器的光电传感器装置中，其一维或二维方式布置有某些形状的图像接收表面，使得亮度信息 目标图像的各个单独部分的各个光电传感器元件由各自的光电转换器元件感测，其然后以时间顺序信号的形式产生输出，每个微型光电换能器元件的图像接收表面积的上述形状 使得当从图像接收区域的中心到边缘的距离增加时，相同宽度的逐渐更远的同心区域的面积的比例减小。 该形状采取这样的形式或这样的特征，以便通过采样功能或与摄像装置的扫描方向相关的其他类似功能来表示。
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公开(公告)号：US4443086A
公开(公告)日：1984-04-17
申请号：US330438
申请日：1981-12-14
申请人： Kazuya Hosoe , Takao Kinoshita , Nobuhiko Shinoda , Shinji Sakai , Takashi Kawabata , Tadashi Ito
发明人： Kazuya Hosoe , Takao Kinoshita , Nobuhiko Shinoda , Shinji Sakai , Takashi Kawabata , Tadashi Ito
CPC分类号： G02B7/34
摘要： In the disclosed focus adjusting device, at least part of an image forming optical system and a focus adjusting mechanism is arranged within a housing attachable to and detachable from a camera body. A focus condition detector includes a photo-sensor disposed on a plane corresponding to the camera image plane, an electrical detection circuit connected to the photo-sensor, and a detecting optical system for forming an image of at least a part of the object on the surface of the photo-sensor. An aural indicator emits a sound to inform a photographer of the condition of the image formed on the surface of the predetermined focal plane as determined by the focusing condition detector.
摘要翻译： 在所公开的焦点调节装置中，图像形成光学系统和焦点调节机构的至少一部分被布置在可附接到照相机主体并且可从照相机主体拆卸的壳体内。 焦点条件检测器包括设置在与摄像机图像平面相对应的平面上的光电传感器，连接到光传感器的电检测电路，以及检测光学系统，用于在物体的至少一部分上形成图像 光传感器的表面。 听觉指示器发出声音，以通知摄影者由聚焦状态检测器确定的在预定焦平面的表面上形成的图像的状态。
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公开(公告)号：US4785338A
公开(公告)日：1988-11-15
申请号：US930945
申请日：1986-11-10
IPC分类号： H01L27/14 , H01L31/02 , H01L31/0232 , H01L23/02 , H01L25/04
CPC分类号： H01L31/0232 , H01L2224/48091 , H01L2224/73265 , H01L2924/3025
摘要： In a monolithic sensor IC, the light sensing element is formed on a base plate and a light-absorber coating such as black paint is provided on the surface of the semiconductor at positions other than the light path to the light sensing element, with the surface of the light-sensing element being provided with a reflection-prevention coating and with the entire sensor being housed within a package, the inside of the package of the IC also being provided with light-absorbing black paint.
摘要翻译： 在单片传感器IC中，光感测元件形成在基板上，并且在半导体的表面上设置诸如黑色涂料的光吸收剂涂层，除了光传感元件的光路之外的位置处，表面 所述感光元件设置有防反射涂层，并且整个传感器被容纳在封装内，IC封装的内部还设有吸光黑色涂料。
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公开(公告)号：US4377742A
公开(公告)日：1983-03-22
申请号：US151703
申请日：1980-05-20
摘要： Disclosed is an image sharpness detecting system in which an image formed by an image forming optical system is received by an array of a plurality of optical-electronic transducer elements, and an illumination difference in each individual minute compartment of the above-described image is detected on the basis of the concurrently obtained output signal from a corresponding one of the optical-electronic transducer elements, while all the illumination differences are summed up over the entire area of a sensing region of the above-described image, whereby is obtained a signal representing the degree of sharpness of the image on the above-described array of optical-electronic transducer elements. In this system, the signal representative of the illumination difference in each individual minute compartment of the above-described image is at least non-linearly transformed by utilizing the non-linear characteristics for output versus input of a semiconductor element such as a transistor, and the signal representative of the degree of sharpness of the above-described image is obtained on the basis of the non-linearly transformed signal.
摘要翻译： 公开了一种图像清晰度检测系统，其中通过多个光电子换能器元件的阵列接收由图像形成光学系统形成的图像，并且检测到上述图像的每个单独的分隔室中的照明差异 基于来自相应的一个光电换能器元件的同时获得的输出信号，同时在上述图像的感测区域的整个区域上将所有的照明差值相加，从而获得表示 上述光电换能器阵列阵列上的图像的清晰度。 在该系统中，通过利用诸如晶体管的半导体元件的输出与输入的非线性特性，表示上述图像的每个单独分隔室中的照明差异的信号至少被非线性变换，以及 基于非线性变换信号获得表示上述图像的清晰度的信号。
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公开(公告)号：US4315674A
公开(公告)日：1982-02-16
申请号：US150959
申请日：1980-05-19
申请人： Kazuya Hosoe , Nobuhiko Shinoda , Minoru Fukuda , Takashi Kawabata , Takao Kinoshita , Tadashi Ito
发明人： Kazuya Hosoe , Nobuhiko Shinoda , Minoru Fukuda , Takashi Kawabata , Takao Kinoshita , Tadashi Ito
CPC分类号： G03B3/10
摘要： A focal point detection system for detecting the focus adjusting state of an image forming lens during its focusing operation on an object is disclosed. The system comprises a focus detection circuit which produces a detection output that varies with focusing of the lens on the object; a plurality of display elements are provided for display of the focusing state of the lens; and a display control circuit which enables the display elements to display a greater number of focusing states than the number of these display elements through selective combinations of these elements on the basis of the output of the focus detection circuit. The system is capable of displaying intermediate focusing states such as a slightly near-focus state, a slightly far-focus state, and the like in addition to in-focus, near-focus, and far-focus states, so that the focusing state can be displayed stepwise in a detailed manner.
摘要翻译： 公开了一种用于在对象物的聚焦操作期间检测图像形成透镜的焦点调整状态的焦点检测系统。 该系统包括焦点检测电路，其产生随着透镜在物体上的聚焦而变化的检测输出; 提供多个显示元件用于显示透镜的聚焦状态; 以及显示控制电路，其通过基于焦点检测电路的输出，通过这些元素的选择性组合，使得显示元件能够显示比这些显示元件的数量更多的聚焦状态。 除了聚焦，近焦点和远焦点状态之外，该系统能够显示中等聚焦状态，例如稍微接近焦点状态，稍微远焦点状态等，使得聚焦状态 可以以详细的方式逐步显示。
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公开(公告)号：US4459002A
公开(公告)日：1984-07-10
申请号：US313579
申请日：1981-10-21
申请人： Shinji Sakai , Nobuhiko Shinoda , Kazuya Hosoe , Takao Kinoshita
发明人： Shinji Sakai , Nobuhiko Shinoda , Kazuya Hosoe , Takao Kinoshita
CPC分类号： G02B7/38
摘要： A focus detecting system of the invention has a signal processing circuit for processing output signals from photoelectric transducer elements. The signal processing circuit has a circuit for obtaining an absolute value of the output signal and for producing power thereof. This circuit is constructed to operate in a current mode.
摘要翻译： 本发明的焦点检测系统具有用于处理来自光电换能器元件的输出信号的信号处理电路。 信号处理电路具有用于获得输出信号的绝对值并用于产生电力的电路。 该电路构造为在当前模式下工作。
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