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    • 1. 发明授权
    • Exposure control apparatus for use in camera
    • 用于照相机的曝光控制装置
    • US5019853A
    • 1991-05-28
    • US573267
    • 1990-08-27
    • Toshihiro SatoTadao Takagi
    • Toshihiro SatoTadao Takagi
    • G03B7/16
    • G03B7/16
    • Disclosed is an exposure control device for an automatic illumination adjustment controlled type camera in which flashing of a flash apparatus built in a camera body is automatically stopped. The exposure control device includes an exposure value calculating unit for calculating an exposure value on the basis of photometering of an object before an exposure operation is started, and an exposure value compensating unit for correcting the exposure value calculated by the exposure value calculating unit to a value which assures overexposure when a picture is taken using a flash. Also disclosed is a TTL automatic illumination adjusting type camera which has an illumination adjusting unit for receiving light coming from a flash, reflected by an object and incident through a lens, and for stopping the flashing of the flash apparatus when the amount of light received reaches an illumination adjusting level. The camera is capable of employing a plurality of electronic flash apparatuses having different flashing characteristics. The camera includes a recognizing unit for outputting a recognition signal when it recognizes the type of the electronic flash apparatus used, and a level setting device for setting the illumination adjusting level on the basis of the recognition signal, such that an object having the same luminance is illuminated by the same amount of light regardless of which one of the electronic flash apparatuses is used.
    • 公开了一种自动照明调节控制型照相机的曝光控制装置,其中内置在照相机机体中的闪光装置的闪光自动停止。 曝光控制装置包括曝光值计算单元,用于基于在开始曝光操作之前的对象的测光来计算曝光值;以及曝光值补偿单元,用于将曝光值计算单元计算的曝光值校正为 当使用闪光灯拍摄照片时,确保曝光过度的值。 还公开了一种TTL自动照明调节型照相机,其具有照明调节单元,用于接收来自闪光的光,被物体反射并通过透镜入射,并且当接收到的光量达到时停止闪光装置的闪烁 照明调整级别。 相机能够采用具有不同闪烁特性的多个电子闪光装置。 相机包括识别单元,用于在识别所使用的电子闪光装置的类型时输出识别信号;以及电平设定装置,用于基于识别信号设置照明调节电平,使得具有相同亮度的对象 由相同量的光照亮,而不管使用哪一个电子闪光装置。
    • 3. 发明授权
    • Photometric apparatus for a camera
    • 相机测光仪
    • US5231448A
    • 1993-07-27
    • US560745
    • 1990-07-31
    • Toshihiro SatoMasaru MuramatsuKen UtagawaTadao TakagiSeiichi YasukawaShinichi Suzuki
    • Toshihiro SatoMasaru MuramatsuKen UtagawaTadao TakagiSeiichi YasukawaShinichi Suzuki
    • G02B7/34G03B7/099G03B7/16
    • G03B7/16G02B7/34G03B7/09974G03B7/09979
    • 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.
    • 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。
    • 4. 发明授权
    • Exposure control device for camera
    • 相机曝光控制装置
    • US5003338A
    • 1991-03-26
    • US473745
    • 1990-02-02
    • Tadao TakagiToshihiro Sato
    • Tadao TakagiToshihiro Sato
    • G02B7/34G03B7/08G03B7/099
    • G03B7/09979G02B7/34G03B7/0807G03B2217/005
    • A camera which automatically controls an exposure by identifying a change in composition in image field and the kind of main object. The camera comprisesan exposure device for exposing an image-taking plane to an image of the object field formed by an image-taking lens;a focus detection device for generating a focus detection signal corresponding to the amount of defocus of the image, formed by the image-taking lens, of the object field with respect to a predetermined plane;an in-focus state detection device for detecting that the image of the object field is focused to the predetermined plane, based on the focus detection signal;a device for releasing a detection start signal for causing the in-focus state detection device to start an in-focus state detecting operation prior to the operation of the exposure device;a device for releasing an exposure start signal for starting the operation of the exposure device;a discrimination device for discriminating, after the in-focus state detection device detects that the image of the object field was once focused to the predetermined plane, whether the object of the object field is still focused to the predetermined plane in response to the exposure start signal, the discrimination device being adapted to execute the discrimination based on the focus detection signal prior to the start of operation of the exposure device; anda control device for controlling the exposure device based on the result of discrimination by the discrimination device.
    • 5. 发明授权
    • Exposure controlling apparatus for camera
    • 照相机曝光控制装置
    • US4972222A
    • 1990-11-20
    • US346403
    • 1989-05-02
    • Toshihiro SatoTadao TakagiKeiji Ohsawa
    • Toshihiro SatoTadao TakagiKeiji Ohsawa
    • G03B7/099
    • G03B7/09979G03B7/09976
    • An exposure controlling apparatus for a camera, comprises a divided photometry device for performing photometry regarding an object field through a taking lens by dividing the object field into a plurality of areas, a central portion photometry device for performing photometry regarding a central area of the object field through the taking lens, a lens information output device for outputting lens information representative of a quantitive optical feature of the taking lens, a comparison device, including reference value information, for comparing the lens information with the reference value information, and an exposure determination means, responsive to the comparison device, for determining an exposure value regarding the object field in accordance with the divided photometry device when the lens information does not exceed the reference value information, and for determining an exposure value regarding the object field in accordance with the central portion photometry device when the lens information exceeds the reference value information.
    • 一种用于照相机的曝光控制装置,包括:分光测光装置,用于通过将所述物场划分为多个区域,通过拍摄镜头对物场进行测光;中央部分测光装置,用于对所述物体的中心区域进行测光 透镜信息输出装置,用于输出表示拍摄镜头的定量光学特征的透镜信息,比较装置,包括参考值信息,用于将透镜信息与参考值信息进行比较,以及曝光确定 响应于比较装置的装置,用于当透镜信息不超过基准值信息时根据分割测光装置确定关于物场的曝光值,以及根据所述比较装置确定关于对象场的曝光值 中心部分测光装置t 他的镜头信息超过参考值信息。
    • 8. 发明授权
    • Photometric apparatus for a camera
    • 相机测光仪
    • US5499075A
    • 1996-03-12
    • US370741
    • 1995-01-10
    • Toshihiro SatoTadao TakagiSeiichi Yasukawa
    • Toshihiro SatoTadao TakagiSeiichi Yasukawa
    • G02B7/34G03B7/099G03B7/16G03B15/05
    • G03B7/16G02B7/34G03B7/09974G03B7/09979
    • 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 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 lights 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.
    • 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。 根据对应于胶片或快门的区域的对象场的每个区域分割的元件,并且在反射镜箱内以预定方向平行布置,以分别接收以小于等于 从胶片或快门的各个反射区域预定的角度。 测光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光引导到多个测光元件,并且平行布置以限制入射 来自其他反射区域的测光元件上的反射光。
    • 9. 发明授权
    • Image blur suppression device utilizing a vibration motor
    • 利用振动电机的图像模糊抑制装置
    • US5870634A
    • 1999-02-09
    • US635706
    • 1996-04-22
    • Isao SugayaTadao Takagi
    • Isao SugayaTadao Takagi
    • H02N2/00G03B5/00G03B17/00
    • G03B5/00G03B2205/0015G03B2205/0084G03B2217/005
    • A compact and lightweight image blur suppression device is shown and described that is superior in responsiveness and quietness, and has a reduced number of parts. In general, a lens frame with an image blur optical system is shifted in a direction opposite to the direction of vibration by a vibration motor. The image blur suppression device is for suppressing image blur in an image formed by a main optical system having an optical axis. The image blur suppression device has an image blur suppression optical system arranged to move within a plane substantially orthogonal to an optical axis of the main optical system and a vibration motor for providing a drive source to move the image blur suppression optical system so as to compensate for image blur.
    • 显示和描述了紧凑且轻便的图像模糊抑制装置,其响应性和安静性优异,并且具有减少的部件数量。 通常,具有图像模糊光学系统的透镜框架通过振动马达在与振动方向相反的方向上移动。 图像模糊抑制装置用于抑制由具有光轴的主光学系统形成的图像中的图像模糊。 图像模糊抑制装置具有图像模糊抑制光学系统,其布置成在与主光学系统的光轴基本正交的平面内移动;以及振动马达,用于提供驱动源以移动图像模糊抑制光学系统,以便补偿 用于图像模糊。