公开(公告)号：US4599653A

公开(公告)日：1986-07-08

申请号：US529612

申请日：1983-09-06

申请人： Kenji Kimura ,  Masatoshi Ida

发明人： Kenji Kimura ,  Masatoshi Ida

IPC分类号： H04N5/225 ,  H04N5/232 ,  H04N5/30

CPC分类号： H04N5/23212

摘要： A focus indicator for a TV camera includes a first image sensor and a video processor which convert an object image to a first video signal, an optical system for exit pupil dividing part of the object image to prepare a split image, and a second image sensor for converting the split image to a second video signal. A composing circuit generates a composite video signal from the first and second video signals in such a way as to include the split image component, and a viewfinder displays an image including the split image. A user of the TV camera thus can perform focusing by observing the split image in the viewfinder.

摘要翻译： 电视摄像机的聚焦指示器包括第一图像传感器和将对象图像转换为第一视频信号的视频处理器，用于将对象图像的一部分进行出射光瞳分割以准备分割图像的光学系统，以及第二图像传感器 用于将分割图像转换为第二视频信号。 合成电路以包括分割图像分量的方式从第一和第二视频信号生成复合视频信号，并且取景器显示包括分割图像的图像。 因此，电视摄像机的用户可以通过观察取景器中的分割图像来进行聚焦。

公开(公告)号：US4575626A

公开(公告)日：1986-03-11

申请号：US504319

申请日：1983-06-14

申请人： Kenichi Oinoue ,  Kenji Kimura ,  Masatoshi Ida

发明人： Kenichi Oinoue ,  Kenji Kimura ,  Masatoshi Ida

IPC分类号： G03B13/36 ,  G02B7/34 ,  G01J1/20

CPC分类号： G02B7/34

摘要： An apparatus for detecting focus conditions of an imaging optical system is disclosed. The apparatus comprises a light flux dividing means having a plurality of light flux dividing elements arranged at a predetermined focal plane or near a plane conjugated therewith, a photoelectric conversion means having a plurality of light receiving elements arranged to receive light fluxes divided by respective light flux dividing elements in line therewith and means for detecting focus conditions of the imaging optical system based on the outputs of the light receiving elements. The photoelectronic conversion means is so arranged that the cross-section of light fluxes incident upon respective light receiving elements at the exit pupil of the imaging optical system includes regions which are not overlapped with each other.

摘要翻译： 公开了一种用于检测成像光学系统的聚焦条件的装置。 该装置包括具有布置在预定焦平面或与其共轭的平面附近的多个光束分割元件的光束分割装置，具有多个光接收元件的光电转换装置，所述光接收元件布置成接收由相应光通量分开的光束 与其分开的元件和用于基于光接收元件的输出来检测成像光学系统的焦点条件的装置。 光电转换装置被布置成使得入射到成像光学系统的出射光瞳处的各个光接收元件的光束的横截面包括彼此不重叠的区域。

公开(公告)号：US4518863A

公开(公告)日：1985-05-21

申请号：US397915

申请日：1982-07-13

申请人： Kenji Fukuoka ,  Masatoshi Ida ,  Atsuo Goto ,  Toshimasa Akagi ,  Masaharu Imai ,  Kenji Kimura

发明人： Kenji Fukuoka ,  Masatoshi Ida ,  Atsuo Goto ,  Toshimasa Akagi ,  Masaharu Imai ,  Kenji Kimura

IPC分类号： H01L27/146 ,  H04N5/335 ,  H04N5/353 ,  H04N5/355 ,  H04N5/365 ,  H04N5/374 ,  H01L27/14 ,  H01L31/00

CPC分类号： H01L27/14679 ,  H04N5/2173

摘要： A SIT (Static Induction Transistor) image sensor with a high-sensitivity and a high-fidelity is disclosed. The image sensor comprises a SIT image cell array and a scanning circuit which scans in turn a plurality of SIT image cells in such a manner that respective scanning time in all the cells are equal throughout a sequential scanning operation for the SIT image sensor. A reading line and a refreshing line may be combined into a single line. A differential amplifier is provided for correcting a picture element information to remove a noise component therefrom.

摘要翻译： 公开了具有高灵敏度和高保真度的SIT（静电感应晶体管）图像传感器。 图像传感器包括SIT图像单元阵列和扫描电路，扫描电路依次扫描多个SIT图像单元，使得在整个单元中的相应扫描时间在SIT图像传感器的顺序扫描操作中相等。 阅读线和刷新线可以组合成单行。 提供了一种用于校正图像元素信息以从其中去除噪声分量的差分放大器。

公开(公告)号：US4563705A

公开(公告)日：1986-01-07

申请号：US444155

申请日：1982-11-24

申请人： Kenichi Oinoue ,  Masahiro Aoki ,  Masatoshi Ida ,  Junichi Nakamura ,  Asao Hayashi

发明人： Kenichi Oinoue ,  Masahiro Aoki ,  Masatoshi Ida ,  Junichi Nakamura ,  Asao Hayashi

IPC分类号： G03B13/36 ,  G02B7/09 ,  G03B3/10 ,  H04N5/232 ,  H04N3/26

CPC分类号： G03B3/10 ,  H04N5/23212

摘要： In order to effect an automatic focus control in an image pick-up apparatus, a photography lens for forming an image of the object onto a two-dimensional solid state image sensing device is arranged in a fixed position, while the two-dimensional solid state image sensing device is arranged movably in the optical axis direction of the photography lens, and the image sensing device is moved in accordance with a focusing error signal detected by a focusing condition detecting circuit having an additional light receiving element mounted on the same substrate as the image sensor but discrete from and operating independently of the image sensor. Since the light and small solid state image sensing device is moved for the focus control instead of the heavy and large photography lens, it is possible to perform the focus control in a prompt manner and to make a mechanism for driving the image sensing device small and simple.

摘要翻译： 为了在摄像装置中实现自动聚焦控制，将用于将物体的图像形成到二维固态图像感测装置的摄影透镜布置在固定位置，而二维固态 图像感测装置在摄影镜头的光轴方向上可移动地设置，并且图像感测装置根据由聚焦条件检测电路检测到的聚焦误差信号移动，该聚焦条件检测电路具有安装在与该摄影镜头相同的衬底上的附加光接收元件 图像传感器，但独立于图像传感器离散和操作。 由于光和小的固态图像感测装置被移动以用于聚焦控制而不是重的和大的摄影镜头，所以可以迅速地执行聚焦控制，并且使得用于驱动图像感测装置的机构较小， 简单。

公开(公告)号：US4316657A

公开(公告)日：1982-02-23

申请号：US52225

申请日：1979-06-26

申请人： Takeomi Suzuki ,  Masatoshi Ida ,  Hideyuki Kenjyo

发明人： Takeomi Suzuki ,  Masatoshi Ida ,  Hideyuki Kenjyo

IPC分类号： H04N5/232 ,  G01C3/32 ,  G02B7/36 ,  G11B7/09 ,  H04N5/335 ,  H04N5/351 ,  H04N5/378 ,  G03B3/10 ,  G01J1/44 ,  G03B19/12

CPC分类号： G11B7/0917 ,  G01C3/32 ,  G02B7/36 ,  G11B7/0908

摘要： An apparatus for comparing analog signals delivered from a number of light detecting elements with analog signals delivered from a digital-analog converter by means of a plurality of comparator circuits whose output analog signals are supplied as write enable signals to a plurality of digital memories which are controlled by means of digital signals delivered from a central control circuit such that an illumination intensity information of each picture element is read out as the digital signal in the digital memories, thereby obtaining a signal of detecting a focal point of cameras or the like optical devices.

摘要翻译： 一种用于将从多个光检测元件传送的模拟信号与从数模转换器传送的模拟信号进行比较的装置，该多个比较器电路将输出模拟信号作为写使能信号提供给多个数字存储器， 通过从中央控制电路传送的数字信号进行控制，使得每个像素的照明强度信息作为数字存储器中的数字信号被读出，从而获得检测照相机等的光学装置的焦点的信号 。

公开(公告)号：US4255654A

公开(公告)日：1981-03-10

申请号：US52222

申请日：1979-06-26

申请人： Takeomi Suzuki ,  Kenichi Oinoue ,  Masahiro Aoki ,  Hideyuki Kenjyo ,  Masatoshi Ida

发明人： Takeomi Suzuki ,  Kenichi Oinoue ,  Masahiro Aoki ,  Hideyuki Kenjyo ,  Masatoshi Ida

IPC分类号： G03B13/36 ,  G01C3/32 ,  G02B7/28 ,  G02B7/36 ,  G11B7/09 ,  H03M1/18 ,  G01J1/36

CPC分类号： G02B7/36 ,  G01C3/32 ,  G11B7/0908 ,  G11B7/0917

摘要： A method of comparing analog signals delivered from a number of light detecting elements with analog signals delivered from a digital-analog converter by means of a plurality of comparator circuits whose output analog signals are supplied as write enable signals to a plurality of digital memories which are controlled by means of digital signals delivered from a central control circuit such that an illumination intensity information of each picture element is read out as the digital signal in the digital memories, thereby obtaining a signal of detecting a focal point of cameras or the like optical devices.

摘要翻译： 一种将从多个光检测元件传送的模拟信号与从数模转换器传送的模拟信号进行比较的方法，所述多个比较器电路的输出模拟信号作为写入使能信号被提供给多个数字存储器， 通过从中央控制电路传送的数字信号进行控制，使得每个像素的照明强度信息作为数字存储器中的数字信号读出，从而获得检测照相机等的光学装置的焦点的信号 。

公开(公告)号：US4195319A

公开(公告)日：1980-03-25

申请号：US972808

申请日：1978-12-26

申请人： Masatoshi Ida

发明人： Masatoshi Ida

IPC分类号： G11B15/087 ,  G11B15/093 ,  G11B27/22 ,  G11B15/43

CPC分类号： G11B27/22

摘要： An apparatus for detecting information index signal from magnetic tape comprises a tape take-up shaft driven for rotation at a uniform rate during a tape rewind or rapid advance to take up the magnetic tape on which a plurality of information items are recorded, a first pulse generator responsive to the rotation of the take-up shaft to produce reference pulses, a second pulse generator responsive to the rotation of a tape supply shaft which rotates as the tape runs to produce pulses at a rate which depends on the varying tape speed, a logic circuit for converting a ratio of the number of pulses generated per unit time by the pulse generators into a voltage value, a detecting head for detecting a signal-free area between adjacent information items recorded on the magnetic tape, a pulse counter for counting clock pulses during the time the signal-free area is being detected, and a comparator for converting the number of clock pulses counted into a corresponding voltage value and for producing a count signal for information retrieval upon coincidence between the both voltage values.

摘要翻译： 一种用于从磁带检测信息索引信号的装置包括一个磁带卷取轴，其在磁带重绕或快速前进期间以均匀的速率驱动，以便卷取其上记录有多个信息项的磁带，第一个脉冲 发生器响应于卷取轴的旋转以产生参考脉冲;第二脉冲发生器响应于磁带供应轴的旋转，当磁带运行时旋转，以便以取决于变化的磁带速度的速率产生脉冲， 逻辑电路，用于将由脉冲发生器产生的每单位时间脉冲数的比率转换为电压值;检测头，用于检测记录在磁带上的相邻信息项之间的无信区;计数时钟的脉冲计数器 在检测无信号区域的时间内的脉冲，以及用于将计数的时钟脉冲数转换成相应的电压值并用于产生的比较器 在两个电压值之间符合时，产生用于信息检索的计数信号。

公开(公告)号：US4701605A

公开(公告)日：1987-10-20

申请号：US828708

申请日：1986-02-12

申请人： Masatoshi Ida

发明人： Masatoshi Ida

IPC分类号： G02B7/38 ,  G01J1/36

CPC分类号： G02B7/38

摘要： An apparatus and method for detecting focus condition of an imaging optical system is disclosed. The apparatus comprises means for dividing a light flux transmitted through the imaging optical system into two sub-light fluxes, first and second light receiving element arrays disposed in front of and at the rear of a predetermined focal plane or a plane conjugated therewith and each having a plurality of light receiving elements, a light flux dividing optical system arranged at the light incident side of the light receiving element arrays for partially cutting incident light and constructed in such a manner that images projected upon respective light receiving element arrays by respective light fluxes transmitted mainly through first and second regions of the imaging optical system, which are divided by a plane including an optical axis of the imaging optical system, are shifted in the array direction in accordance with the amount of defocused condition, means for obtaining first and second evaluation functions representing image sharpness and third and fourth evaluation functions representing image lateral shift by processing outputs of the first and second light receiving element arrays, and means for deciding the defocused condition and the in-focused condition by arithmetically operating all evaluation functions.

摘要翻译： 公开了一种用于检测成像光学系统的聚焦条件的设备和方法。 该装置包括用于将通过成像光学系统传输的光束分成两个子光束的装置，设置在预定焦平面的前面和后面的第一和第二光接收元件阵列或与之共轭的平面，每个具有 多个光接收元件，光束分配光学系统，其布置在光接收元件阵列的光入射侧，用于部分地切割入射光，并且以这样的方式构造，使得通过相应光束投射到各个光接收元件阵列上的图像被透射 主要通过由包括成像光学系统的光轴的平面划分的成像光学系统的第一和第二区域根据散焦条件的量沿阵列方向移动，用于获得第一和第二评估的装置 表示图像清晰度的函数和第三和第四评估函数r 通过处理第一和第二光接收元件阵列的输出来呈现图像横向偏移，以及用于通过算术地操作所有评估函数来决定散焦状态和聚焦状态的装置。

公开(公告)号：US4562346A

公开(公告)日：1985-12-31

申请号：US494388

申请日：1983-05-13

申请人： Asao Hayashi ,  Kenichi Oinoue ,  Masahiro Aoki ,  Masatoshi Ida

发明人： Asao Hayashi ,  Kenichi Oinoue ,  Masahiro Aoki ,  Masatoshi Ida

IPC分类号： G03B13/36 ,  G02B7/34 ,  G11B7/09 ,  G01J1/20

CPC分类号： G03B7/0807 ,  G03B2217/005

摘要： In a camera, a focus condition of an objective lens system is automatically detected in accordance with a combination of two different type detection methods. A light flux emanating from the objective lens system is divided into two light fluxes by means of a prism having a half mirror and a reflecting mirror and a first light flux transmitted through the half mirror is received by a first light receiving element array via a lenticular lens array and a second light flux reflected by the half mirror and reflecting mirror successively is directly received by a second light receiving element array. The lenticular lens array is so arranged that an exit pupil of the objective lens and the first light receiving element array are conjugated with each other and thus divided images of the exit pupil are projected upon respective elements of each pair of adjacent light receiving elements. At first, illumination signals supplied from the first image receiving element array are processed to derive a first evaluation value on the basis of an image lateral shift detection to indicate roughly a focal condition of the objective lens system. After the objective lens system has driven near the best focus position, illumination signals supplied from the first and second light receiving element arrays are processed to derive a second evaluation value on the basis of an image sharpness detection to indicate finely the focal condition of the objective lens system.

摘要翻译： 在相机中，根据两种不同类型的检测方法的组合自动地检测物镜系统的聚焦条件。 从物镜系统发出的光束通过具有半反射镜和反射镜的棱镜被分成两个光束，透过半反射镜的第一光束通过透镜被第一光接收元件阵列接收 由半反射镜和反射镜反射的透镜阵列和第二光束被第二光接收元件阵列直接接收。 双凸透镜阵列被布置成使得物镜的出射光瞳和第一光接收元件阵列彼此共轭，从而将出射光瞳的分割图像投影到每对相邻的光接收元件的相应元件上。 首先，处理从第一图像接收元件阵列提供的照明信号，以基于图像横向偏移检测来导出第一评估值，以大致指示物镜系统的焦点状态。 在物镜系统接近最佳对焦位置之后，从第一和第二光接收元件阵列提供的照明信号被处理以基于图像清晰度检测导出第二评估值，以精确地指出物镜的焦点状况 镜头系统

公开(公告)号：US4556908A

公开(公告)日：1985-12-03

申请号：US454052

申请日：1982-12-28

申请人： Masatoshi Ida

发明人： Masatoshi Ida

IPC分类号： H04N5/335 ,  H04N5/341 ,  H04N5/355 ,  H04N5/374 ,  H04N5/30

CPC分类号： H04N3/155

摘要： A solid state image sensor comprises an image sensing matrix comprised of a number of photoelectric elements arranged in a matrix array and a scanning circuit for two-dimensionally scanning the image sensing matrix by scanning signals to extract image signals. Picture element selection circuits are connected to horizontal and vertical lines of the image sensing matrix to pick up the output signals of photoelectric elements as photometric signals.

摘要翻译： 固态图像传感器包括由矩阵阵列中布置的多个光电元件组成的图像感测矩阵和用于通过扫描信号二维扫描图像感测矩阵以提取图像信号的扫描电路。 图像元素选择电路连接到图像感测矩阵的水平和垂直线以拾取光电元件的输出信号作为测光信号。