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    • 2. 发明授权
    • Automatic focusing camera
    • 自动对焦相机
    • US06240253B1
    • 2001-05-29
    • US09396351
    • 1999-09-14
    • Motoshi YamaguchiIchiro TsujimuraShigeto OhmoriTsutomu IchikawaHiroshi UedaTatsuya SuzukiAkio Nakamaru
    • Motoshi YamaguchiIchiro TsujimuraShigeto OhmoriTsutomu IchikawaHiroshi UedaTatsuya SuzukiAkio Nakamaru
    • G03B1505
    • G03B13/36
    • An automatic-focusing camera is provided with a multiple-point distance-measurement device having a plurality of distance-measurement areas, a multiple-division photometry device having a plurality of photometry areas, and a multiple-division light-amount-control device having a plurality of light-amount-control areas. Part of the photometry areas and part of the light-amount-control areas correspond to the distance-measurement areas. When a taking lens is focused on a subject, its focus is locked. Out of the information obtained from the multiple-point distance-measurement device, a set of information obtained when the focus of the taking lens is locked is compared with a set of information obtained immediately before a shot is taken, and thereby a change in picture composition after the locking of the taking lens focus is detected. This makes it possible to achieve exposure control in ambient-light shooting and light amount control in flash shooting in accordance with a change in picture composition. Based on the information obtained from the multiple-point distance-measurement device, the subject and the background are identified, and, in accordance with the distribution of the subject and the background, the reference value to be used to stop emission of illumination light and the contribution ratios of the individual light-amount-control areas relative to the total amount of light received are determined to achieve light amount control in flash shooting.
    • 一种自动对焦照相机具有多点距离测量装置,具有多个距离测量区域,具有多个测光区域的多分光度测定装置和具有多个测光区域的多分光计量装置, 多个光量控制区域。 测光区域的一部分和光量控制区域的一部分对应于距离测量区域。 拍摄镜头聚焦于拍摄对象时,其焦点被锁定。 从多点距离测量装置获得的信息中,将拍摄镜头的焦点锁定时获得的一组信息与拍摄之前获得的一组信息进行比较,从而将图像变化 检测到拍摄镜头焦点锁定后的组成。 这使得可以根据图像组成的变化在环境光拍摄和闪光拍摄中的光量控制下实现曝光控制。 基于从多点距离测量装置获得的信息,识别对象和背景,并且根据被摄体和背景的分布,用于停止照明光的发射的参考值和 确定各个光量控制区域相对于所接收的总光量的贡献率,以实现闪光拍摄中的光量控制。
    • 4. 发明授权
    • Camera having control device for flash photography and its control method
    • 相机具有闪光摄影控制装置及其控制方法
    • US06707995B1
    • 2004-03-16
    • US10392946
    • 2003-03-21
    • Tsutomu IchikawaNorihiko AkamatsuMotoshi Yamaguchi
    • Tsutomu IchikawaNorihiko AkamatsuMotoshi Yamaguchi
    • G03B1505
    • G03B15/05G03B2215/05
    • A photographing apparatus with a simple mechanism in which an AF sensor is employed as a light adjusting sensor. The apparatus includes a multi-AF sensor having a plurality of detecting areas for receiving light passing through a photographing lens, an AF controller for determining a focus area based upon signals outputted from the multi-AF sensor, and a light emitter for projecting light towards an object to be photographed. Prior to a main flash emission, the light emitter emits light preliminarily. On the basis of signals which are outputted from the detecting areas of the multi-AF sensor and which correspond to a reflected light from the object at time of emitting the preliminary flash light, a suitable area which outputs a suitable signal for photography is selected. On the basis of the signal of the suitable area thus selected, the amount of light of the main flash emission is determined.
    • 具有使用AF传感器作为调光传感器的简单机构的拍摄装置。 该装置包括具有用于接收通过拍摄镜头的光的多个检测区域的多AF传感器,用于基于从多AF传感器输出的信号来确定聚焦区域的AF控制器,以及用于将光投射到 要被拍摄的对象。 在主闪光发射之前,发光体预先发光。 基于从多AF传感器的检测区域输出并且在发出预备闪光灯时与来自物体的反射光相对应的信号,选择输出用于摄影的合适信号的合适区域。 基于这样选择的合适区域的信号,确定主闪光发射的光量。