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1. 发明授权

US5016039A Camera system 失效
公开(公告)号：US5016039A
公开(公告)日：1991-05-14
申请号：US567692
申请日：1990-08-13
申请人： Toshio Sosa , Isao Uchida , Toru Fukuhara , Tadao Takagi , Hiroyuki Iwasaki , Toshihiro Sato , Masaru Muramatsu , Kazuto Ohtsuka , Tadao Kai , Shigeyuki Uchiyama , Yoichi Koizumi
发明人： Toshio Sosa , Isao Uchida , Toru Fukuhara , Tadao Takagi , Hiroyuki Iwasaki , Toshihiro Sato , Masaru Muramatsu , Kazuto Ohtsuka , Tadao Kai , Shigeyuki Uchiyama , Yoichi Koizumi
IPC分类号： G03B7/08 , G03B7/093 , G03B7/28
CPC分类号： G03B7/093 , G03B7/0807 , G03B7/28
摘要： A camera system has a device for recording an image of a photographing field in a recording medium such as a photographing negative color film, a photometering device for forming brightness information concerning the brightness of the photographing field, and a color information forming device for forming, in accordance with the brightness information, color information concerning the color of the light from a light source for illuminating the photographing field. The printing process after the deployment of the image is executed with a suitable control of the printing exposure light quantity in accordance with the color information so that a color print of a good quality can be obtained with a high reproducibility of the color.

2. 发明授权

US5489964A Camera 失效
标题翻译：相机
公开(公告)号：US5489964A
公开(公告)日：1996-02-06
申请号：US334121
申请日：1994-11-04
申请人： Hiroyuki Iwasaki , Masaru Muramatsu , Tadao Takagi
发明人： Hiroyuki Iwasaki , Masaru Muramatsu , Tadao Takagi
IPC分类号： G03B7/099 , G03B7/08
CPC分类号： G03B7/09979
摘要： A camera is provided with an exposure arithmetic apparatus for patterning a field to calculate an amount of exposure. The exposure arithmetic apparatus has a light amount measuring portion for measuring amounts of light for a plurality of segmental zones of the field, a pattern generating portion for generating a plurality of patterns for spatially pattern-classifying the field, a correlation arithmetic portion for calculating correlation values each indicating a degree of correlation of each pattern with the field, based on outputs from the light amount measuring portion and the pattern generating portion, a pattern luminance calculating portion for performing an arithmetic process based on an output from the pattern generating portion, of the output from the light amount measuring portion, and an exposure arithmetic portion for calculating correct exposure, based on outputs from the correlation arithmetic portion and pattern luminance calculating portion.
摘要翻译：相机设置有用于对场进行图案化以计算曝光量的曝光算术装置。曝光运算装置具有用于测量场的多个分段区域的光量的光量测量部分，用于产生用于对场进行空间模式分类的多个模式的图案生成部分，用于计算相关性的相关运算部分基于来自光量测量部分和图案生成部分的输出，每个图案与场的相关程度的值都是基于图案生成部分的输出执行运算处理的图案亮度计算部分，来自光量测量部分的输出和用于计算正确曝光的曝光算术部分，基于来自相关运算部分和图案亮度计算部分的输出。

3. 发明授权

US5742852A Photometry system 失效
标题翻译：测光系统
公开(公告)号：US5742852A
公开(公告)日：1998-04-21
申请号：US713438
申请日：1996-09-17
申请人： Tadao Takagi , Masaru Muramatsu , Hiroyuki Iwasaki
发明人： Tadao Takagi , Masaru Muramatsu , Hiroyuki Iwasaki
IPC分类号： G03B7/091 , G03B7/28 , G03B7/08
CPC分类号： G03B7/09979
摘要： A photometric system is provided in which the value is obtained when the center-weighted photometric value and the like are determined from a plurality of separate photometric outputs is the same value that is obtained when photometry is accomplished on the same area when it is treated as a single cell. The photometric system includes a photometric element which divides the subject field into regions in order to measure the light quantity, a photometric mode selection unit which selects a photometric mode, a plurality of addition units which add together certain outputs from the outputs of the photometric element 11 in accordance with the selection made by a photometric mode selection switch, and a logarithm conversion unit which converts the output of the plurality of addition units into logarithms.
摘要翻译：提供了一种光度系统，其中当从多个单独的测光输出确定中心重量光度值等时获得的值是当在相同的区域被完成的光度测定被当作单个单元格。测光系统包括测光元件，该测光元件将被摄体区域划分成区域以测量光量;选择光度模式的测光模式选择单元;多个加法单元，其将来自测光元件的输出的某些输出相加根据由测光模式选择开关进行的选择，以及将多个加法单元的输出转换为对数的对数转换单元。

4. 发明授权

US5231448A Photometric apparatus for a camera 失效
标题翻译：相机测光仪
公开(公告)号：US5231448A
公开(公告)日：1993-07-27
申请号：US560745
申请日：1990-07-31
申请人： Toshihiro Sato , Masaru Muramatsu , Ken Utagawa , Tadao Takagi , Seiichi Yasukawa , Shinichi Suzuki
发明人： Toshihiro Sato , Masaru Muramatsu , Ken Utagawa , Tadao Takagi , Seiichi Yasukawa , Shinichi Suzuki
IPC分类号： G02B7/34 , G03B7/099 , G03B7/16
CPC分类号： G03B7/16 , G02B7/34 , G03B7/09974 , G03B7/09979
摘要： A photometric apparatus of a camera for carrying out a multi-segmented photometry by receiving object light reflected at a film or the shutter, includes a plurality of photometric elements which are disposed at positions to respectively receive reflected light from the film or the shutter. The elements are segmented in accordance with each of regions segmenting the object field, corresponding to regions of the film or the shutter, and are arranged in parallel in a predetermined direction within a mirror box so as to respectively receive light reflected with diffusion angles less than a predetermined angle from respective reflection regions of the film or the shutter. Photometric lenses are respectively positioned between the reflection regions and the photometric elements, corresponding to the photometric elements, so as to respectively direct the object light reflected at the reflection regions to the plurality of photometric elements, and are arranged in parallel so as to restrict incidence of reflected light on the photometric elements from other reflection regions.
摘要翻译：一种用于通过接收在胶片或快门反射的物体光进行多分段测光的照相机的测光装置，包括多个测光元件，其设置在分别接收来自胶片或快门的反射光的位置处。这些元件根据对应于胶片或快门的区域的对象区域的每个区域进行分割，并且在反射镜箱内沿预定方向平行布置，以分别接收以扩散角小于从胶片或快门的各个反射区域预定的角度。光度测量透镜分别位于反射区域和对应于测光元件的测光元件之间，以分别将反射区域反射的物体光引导到多个测光元件，并且平行布置以限制入射光来自其他反射区域的测光元件上的反射光。

5. 发明授权

US5266984A Exposure calculating apparatus for camera 失效
标题翻译：照相机曝光计算装置
公开(公告)号：US5266984A
公开(公告)日：1993-11-30
申请号：US852975
申请日：1992-03-17
申请人： Masaru Muramatsu , Hiroyuki Iwasaki , Hiroyuki Abe
发明人： Masaru Muramatsu , Hiroyuki Iwasaki , Hiroyuki Abe
IPC分类号： G03B7/099 , G03B7/08
CPC分类号： G03B7/09979 , G03B7/09976
摘要： An exposure calculating apparatus for a camera has a plurality of processing devices for variously processing photometric outputs from regions of an object field divided into plural sections according to photographic conditions so as to determine the optimum exposure value according to the results of processes performed by the processing devices, the exposure calculating apparatus for a camera including: a device for setting a plurality of fuzzy rules in the form of membership functions corresponding to the processes performed by the plurality of processing devices; a device for calculating the grade of each of the fuzzy rules according to a plurality of values of photometry generated from photometric outputs from the plurality of regions; a device which selects fuzzy rules having the grades obtained by the calculations so as to calculate, according to the plurality of photometric outputs, exposure values obtained by the processes performed by the processing device which correspond to the selected fuzzy rules; and a device for determining the optimum exposure value by weighting, with the grade, each of the exposure values obtained by the processes performed by the processing devices.

6. 发明授权

US08570407B2 Imaging apparatus, image processing program, image processing apparatus, and image processing method 有权
标题翻译：成像装置，图像处理程序，图像处理装置和图像处理方法
公开(公告)号：US08570407B2
公开(公告)日：2013-10-29
申请号：US12993027
申请日：2009-06-16
申请人： Masaru Muramatsu
发明人： Masaru Muramatsu
IPC分类号： H04N5/202
CPC分类号： H04N5/2351 , H04N5/243
摘要： Image processing capable of improving bright and dark part gradation is performed while maintaining apparent contrast by providing an imaging unit generating image data, a selecting unit selecting either a first mode not performing a correction on a dark part gradation of the image data or a second mode performing the correction, a gradation conversion processing unit performing gradation conversion processing according to a first characteristic when the first mode is selected and performing the gradation conversion processing according to a second characteristic which includes a characteristic achieving, for a same input level, an output level lower than the first characteristic and includes a characteristic changing contrast when the second mode is selected, and a correcting unit performing the correction to improve a lightness in the dark part gradation of the image data according to the second characteristic by the gradation conversion processing unit when the second mode is selected.
摘要翻译：通过提供产生图像数据的成像单元，同时保持明显的对比度来执行能够改善明暗部分灰度的图像处理;选择单元，选择不对图像数据的暗部灰度进行校正的第一模式或第二模式灰度转换处理单元，当选择第一模式时，根据第一特性执行灰度转换处理，并根据第二特性执行灰度转换处理，该第二特性包括在相同输入电平下实现输出电平的特性低于第一特性，并且当选择第二模式时包括特征改变对比度;以及校正单元，其通过灰度转换处理单元执行根据第二特性的图像数据的暗部灰度的亮度的校正，第二种模式是选择 ed。

7. 发明授权

US07978233B2 Image processing apparatus with correcting section for gradation correction 有权
标题翻译：具有用于灰度校正的校正部分的图像处理装置
公开(公告)号：US07978233B2
公开(公告)日：2011-07-12
申请号：US12073346
申请日：2008-03-04
申请人： Masaru Muramatsu
发明人： Masaru Muramatsu
IPC分类号： H04N9/68
CPC分类号： H04N5/235
摘要： An image processing apparatus includes an input section, an adjusting section, and a correcting section.The input section acquires image data and information about subject condition at the time of photographing the image data. The adjusting section determines a brightness enhancement amount of dark area gradation of the image data, depending on the subject condition at the time of photographing. The correcting section performs image correction of brightness enhancement on the dark area gradation of the image data according to the brightness enhancement amount determined by the adjusting section.
摘要翻译：图像处理装置包括输入部分，调整部分和校正部分。输入部分拍摄图像数据时获取图像数据和关于被摄体条件的信息。调整部根据拍摄时的拍摄对象条件来决定图像数据的暗区灰度的亮度增强量。校正部根据由调整部确定的亮度增强量，对图像数据的暗区灰度进行亮度增强的图像校正。

8. 发明授权

US07375758B2 Electronic camera 有权
标题翻译：电子相机
公开(公告)号：US07375758B2
公开(公告)日：2008-05-20
申请号：US10761227
申请日：2004-01-22
申请人： Masaru Muramatsu
发明人： Masaru Muramatsu
IPC分类号： H04N5/238 , H04N5/202
CPC分类号： H04N5/2351 , H04N5/202 , H04N5/2352
摘要： An electronic camera includes an image-capturing element that captures a subject image and outputs image-capturing signals each corresponding to a pixel; and a control device that executes gradation correction on the image-capturing signals output by the image-capturing element. In the electronic camera, the image-capturing element is split into a plurality of pixel areas each containing a plurality of pixels; and the control device calculates average values of image-capturing signal values in the pixel areas, which are output by the image-capturing element prior to a shutter release, determines an exposure quantity and gradation characteristics based upon the average values having been calculated each in correspondence to one of the plurality of pixel areas, engages the image-capturing element to capture an image at the exposure quantity having been determined in response to the shutter release and executes gradation correction on image-capturing signals output by the image-capturing element in conformance to the gradation characteristics having been determined.
摘要翻译：电子照相机包括拍摄被摄体图像并输出与像素对应的图像拍摄信号的摄像元件; 以及对由图像拍摄元件输出的图像拍摄信号执行灰度校正的控制装置。在电子照相机中，图像拍摄元件被分成多个像素区域，每个像素区域包含多个像素; 并且控制装置计算在快门释放之前由图像拍摄元件输出的像素区域中的图像拍摄信号值的平均值，基于每个中计算出的平均值来确定曝光量和灰度特性对应于多个像素区域中的一个像素区域，与图像拍摄元件接合以以响应于快门释放确定的曝光量捕获图像，并且对由图像捕获元件输出的图像捕获信号执行灰度校正符合已经确定的灰度特性。

9. 发明授权

US06714734B2 Camera 失效
标题翻译：相机
公开(公告)号：US06714734B2
公开(公告)日：2004-03-30
申请号：US10262903
申请日：2002-10-03
申请人： Masaru Muramatsu
发明人： Masaru Muramatsu
IPC分类号： G03B1505
CPC分类号： G03B15/05 , G03B2215/0503
摘要： A camera comprises a storage-type photometering sensor that detects some of light from a subject; a control device that controls an auxiliary illumination device so as to perform a preliminary light emission through a single-shot light emission and controls the storage-type photometering sensor so as to detect the subject light stored over a storage period matching a length of time over which light is emitted during the preliminary light emission; and a setting device that sets a light emission condition under which the auxiliary illumination device is to emit light during a flash photographing operation based upon detection results obtained at the storage-type photometering sensor.
摘要翻译：相机包括：存储型测光传感器，其检测来自被摄体的一些光; 控制装置，其控制辅助照明装置，以便通过单次发光执行初步发光，并控制存储型测光传感器，以便检测在与时间长度相匹配的存储周期中存储的对象光在初步发光期间发出光; 以及设定装置，其基于在存储型测光传感器获得的检测结果，在闪光拍摄操作期间设定辅助照明装置发光的发光条件。

10. 发明授权

US5602615A Photometric device to determine a correct photometric value of a spot photometric region 失效
标题翻译：测光装置，以确定光斑测光区域的正确光度值
公开(公告)号：US5602615A
公开(公告)日：1997-02-11
申请号：US499709
申请日：1995-07-07
申请人： Masaru Muramatsu , Shinichi Tsukada
发明人： Masaru Muramatsu , Shinichi Tsukada
IPC分类号： G01J1/44 , G03B7/28 , G03B7/08
CPC分类号： G03B7/09979
摘要： A photometric device, used in an optical apparatus such as a camera, which includes photometric elements to measure photometric values according to plural regions of a subject field, and corrects the photometric values of photometric elements corresponding to specific regions within the plural regions based on the photometric values of regions outside the specific region and on previously set correction coefficients according to each region. The location of the specific regions on the subject field may be adjusted either manually or automatically based upon a focus adjustment state of a focus detection unit.
摘要翻译：一种用于诸如照相机的光学装置的测光装置，其包括测光元件以根据被摄场的多个区域测量光度值，并且基于所述多个区域中的特定区域对应的测光元件的光度值进行校正在特定区域以外的区域的光度值和根据每个区域的先前设定的校正系数。可以基于焦点检测单元的焦点调整状态来手动地或自动地调整对象场上的特定区域的位置。

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