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    • 2. 发明授权
    • Exposure calculation device for camera
    • 相机曝光计算装置
    • US5687407A
    • 1997-11-11
    • US702857
    • 1996-08-26
    • Hiroyuki IwasakiTadao Takagi
    • Hiroyuki IwasakiTadao Takagi
    • G03B7/099G03B7/28H04N5/235G03B7/00
    • H04N5/2351G03B7/09979G03B7/28
    • An exposure calculation device for use in a camera, is provided with a light metering device for effecting light metering in each of plural areas divided in the object field and generating a light metering signal, containing information relating to the color of the object in each area. A first judgment device judges, whether the object in each area is colored or uncolored, based on the light metering signal and determining colored areas in which the object is colored and uncolored areas in which the object is uncolored; A second judgment device judges whether a predetermined uncolored area contains a white or black object, based on the light metering signals from the colored areas and those from the uncolored areas; An exposure value determining device determines the exposure value according to the light metering signals, based on the results of judgment by the first and second judgment devices.
    • 一种用于照相机的曝光计算装置,设置有用于在物场中划分的多个区域中的每一个中进行光计量的光计量装置,并且生成包含与每个区域中的对象的颜色相关的信息的测光信号 。 第一判断装置基于测光信号判断每个区域中的物体是否着色或未着色,并确定物体着色的着色区域和未着色物体的未着色区域; 第二判断装置基于来自着色区域的光计量信号和来自未着色区域的光计量信号来判断预定的未着色区域是否包含白色或黑色物体; 曝光值确定装置基于第一和第二判断装置的判断结果,根据测光信号来确定曝光值。
    • 3. 发明授权
    • Exposure calculation device for camera
    • 相机曝光计算装置
    • US5434640A
    • 1995-07-18
    • US104619
    • 1993-08-11
    • Tadao TakagiHiroyuki Iwasaki
    • Tadao TakagiHiroyuki Iwasaki
    • G03B7/091G03B7/099G03B7/08
    • G03B7/09979G03B7/095
    • The exposure calculation device for camera comprises a first photometric means which performs photometry on the photographic field divided into a plurality of regions and a second photometric means for which by comparison with the first photometric means the separation number is lower and which excels at low luminance photometric performance, and a calculation means which calculates an exposure value in a comparatively high luminance situation by dominantly using the output of the first photometric means and in a comparatively low illumination situation by dominantly using the output of the second photometric means; and it is possible to obtain an accurate exposure value, even in a special environment such as a high temperature situation or low luminance or the like.
    • 照相机曝光计算装置包括:第一测光装置,对分成多个区域的摄影场进行测光;第二测光装置与第一测光装置进行比较,分离次数较低,并且在低亮度光度测定 以及计算装置,其通过主要使用第一测光装置的输出并且在相对较低的照明情况下主要使用第二测光装置的输出来计算在较高亮度情况下的曝光值; 并且即使在诸如高温情况或低亮度等的特殊环境中也可以获得准确的曝光值。
    • 4. 发明授权
    • Photometric sensor
    • 光度传感器
    • US5473155A
    • 1995-12-05
    • US273928
    • 1994-07-12
    • Hiroyuki IwasakiTadao TakagiTetsuro GotoYasuhito Maki
    • Hiroyuki IwasakiTadao TakagiTetsuro GotoYasuhito Maki
    • G01J1/02G01J1/44H01L27/148H04N5/335H04N5/372H01J40/14
    • H01L27/14831
    • The photometric sensor of the present invention includes a plurality of photoelectric conversion elements which accumulate electric charge according to the intensity of the light which is incident upon them; a CCD shift register, comprising a plurality of CCD (Charge Coupled Device) elements which correspond respectively to the plurality of photoelectric conversion elements, and at least one relay CCD element which does not correspond to any one of the photoelectric conversion elements, and which reads in the accumulated electric charges from the plurality of photoelectric conversion elements to the plurality of CCD elements and transmits them via the relay CCD element; a charge to voltage conversion circuit which converts the accumulated electric charges transmitted from the CCD shift register into photometric signals and outputs them in order; and a timing signal generation circuit which, when the photometric signals from the charge to voltage conversion circuit originating from the plurality of photoelectric conversion elements are output, outputs in synchronism with this output a timing signal, and, when a signal from the charge to voltage conversion circuit originating from the relay CCD element is output, does not output the timing signal in synchronism with this output.
    • 本发明的测光传感器包括多个光电转换元件,其根据入射到其上的光的强度积蓄电荷; CCD移位寄存器,包括分别对应于多个光电转换元件的多个CCD(电荷耦合器件)元件和至少一个不对应于任何一个光电转换元件的继电器CCD元件,并且读取 在从多个光电转换元件到多个CCD元件的累积电荷中经由继电器CCD元件发送; 电荷转换电路,其将从CCD移位寄存器发送的累积电荷转换成光度信号,并依次输出; 以及定时信号生成电路,当来自所述多个光电转换元件的电荷到电压转换电路的测光信号被输出时,与该输出同步地输出定时信号,并且当从电荷到电压的信号 输出源自继电器CCD元件的转换电路,不输出与该输出同步的定时信号。
    • 6. 发明授权
    • Exposure calculation device for camera
    • 相机曝光计算装置
    • US5740481A
    • 1998-04-14
    • US487404
    • 1995-06-07
    • Hiroyuki IwasakiTadao Takagi
    • Hiroyuki IwasakiTadao Takagi
    • G03B7/099G03B7/28H04N5/235G03B7/00
    • H04N5/2351G03B7/09979G03B7/28
    • An exposure calculation device for use in a camera is, provided with a light metering device for effecting light metering in each of plural areas divided in the object field and generating a light metering signal, containing information relating to the color of the object in each area. A first judgment device judges, whether the object in each area is colored or uncolored based on the light metering signal, and determines colored areas in which the object is colored and uncolored areas in which the object is uncolored. A second judgment device judges whether a predetermined uncolored area contains a white or black object, based on the light metering signals from the colored areas and those from the uncolored areas. An exposure value determining device determines the exposure value according to the light metering signals, based on the results of judgment by the first and second judgment devices.
    • 在相机中使用的曝光计算装置设置有用于在物场中划分的多个区域中的每一个中进行光计量的光计量装置,并且生成包含与每个区域中的对象的颜色相关的信息的测光信号 。 第一判断装置判断基于测光信号对每个区域中的物体是否着色或不着色,并确定物体着色的区域和未着色物体的未着色区域。 第二判断装置基于来自着色区域的光计量信号和来自未着色区域的测光信号来判断预定的未着色区域是否包含白色或黑色物体。 曝光值确定装置基于第一和第二判断装置的判断结果,根据测光信号来确定曝光值。
    • 7. 发明授权
    • Camera
    • 相机
    • US5489964A
    • 1996-02-06
    • US334121
    • 1994-11-04
    • Hiroyuki IwasakiMasaru MuramatsuTadao Takagi
    • Hiroyuki IwasakiMasaru MuramatsuTadao Takagi
    • G03B7/099G03B7/08
    • G03B7/09979
    • 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.
    • 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。
    • 8. 发明授权
    • Camera having target follow up function
    • 相机具有目标跟踪功能
    • US5475466A
    • 1995-12-12
    • US187310
    • 1994-01-27
    • Hiroyuki IwasakiTadao Takagi
    • Hiroyuki IwasakiTadao Takagi
    • G01S3/786H04N5/232G03B7/08
    • G01S3/7864H04N5/232H04N5/23212
    • Normally, movement of an object to be photographed is detected based upon the brightness information output by a photometric means, and the object to be photographed is followed up. During the exposure process the photometric means cannot perform photometry, and therefore the movement of the object to be photographed during exposure is predicted based upon the movement information for the object to be photographed detected before the start of the exposure process, and the position of the object to be photographed after the conclusion of the exposure process is obtained. When the exposure process has been completed, follow up of the object to be photographed is restarted from the predicted position which has been calculated. By doing this, the object to be photographed is not lost sight of after the exposure process has been completed, and it is possible to continue follow up of the object to be photographed from its predicted position.Further, when follow up of the object to be photographed by the follow up means has become impossible, forcibly the initial state before the start of follow up may be returned to. By doing this, the follow up target object can be again discerned in the initial state etc., and the photographer is able quickly to proceed to the next action.
    • 通常,基于由测光装置输出的亮度信息来检测拍摄对象的移动,并且跟踪被拍摄对象。 在曝光处理期间,测光装置不能进行测光,因此根据在曝光处理开始之前检测到的待拍摄对象的移动信息来预测曝光期间拍摄对象的移动, 获得曝光处理结束后拍摄的物体。 当曝光处理完成时,从计算出的预测位置重新开始拍摄对象的跟踪。 通过这样做,在曝光处理完成之后,不会看到要拍摄的对象,并且可以从其预测位置继续跟踪要拍摄的对象。 此外,当后续装置对待拍摄对象的跟踪变得不可能时,强制开始跟踪之前的初始状态可能返回到。 通过这样做,可以在初始状态等再次识别跟踪目标对象,并且摄影师能够快速地进行下一个动作。
    • 9. 发明授权
    • Exposure calculation device
    • 曝光计算装置
    • US5249015A
    • 1993-09-28
    • US935437
    • 1992-08-26
    • Tadao TakagiHiroyuki Iwasaki
    • Tadao TakagiHiroyuki Iwasaki
    • G01J1/44G03B7/28H04N5/235
    • H04N5/2351G03B7/09976G03B7/09979
    • An exposure calculation device comprises: first composite photometered value calculation apparatus means for classifying areas of divisional photometering means to a first pattern and calculating a composite photometered value for each classified area based on the photometered values of the divisional photometering areas contained in each classified area; first exposure value calculation means for calculating a first exposure value based on the calculated composite photometered value; second composite photometered value calculation means for classifying the areas of the divisional photometering means to a second pattern and calculating a composite photometered value for each classified area based on the photometered values of the divisional photometering areas contained in each classified area; second exposure calculation means for calculating a second exposure value based on the calculated composite photometered value; contribution factor calculation means for calculating contribution factors of the first and second exposure values in accordance with a photographing condition; and third exposure value calculation means for combining the first exposure value and the second exposure value in accordance with the contribution factors calculated by the contribution factors calculation means to calculate an exposure value to control the exposure.
    • 曝光计算装置包括:第一复合测光值计算装置,用于根据包含在每个分类区域中的分光测光区域的测光值,将分区测光装置的区域分类为第一图案,并计算每个分类区域的复合测光值; 第一曝光值计算装置,用于基于所计算的复合测光值计算第一曝光值; 第二复合测光值计算装置,用于将分割测光装置的区域分类为第二图案,并且基于每个分类区域中包含的分光测光区域的测光值,计算每个分类区域的复合测光值; 第二曝光计算装置,用于基于所计算的复合光度计算出第二曝光值; 贡献因子计算装置,用于根据拍摄条件计算第一和第二曝光值的贡献因子; 以及第三曝光值计算装置,用于根据由贡献因子计算装置计算的贡献因子来组合第一曝光值和第二曝光值,以计算曝光值以控制曝光。