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    • 5. 发明公开
    • Exposure calculation device for camera
    • Vorrichtung zur Belichtungsberechnungfüreine Kamera
    • EP0712026A2
    • 1996-05-15
    • EP95120306.6
    • 1991-10-15
    • NIKON CORPORATION
    • Takagi, Tadao
    • G03B7/091G03B7/099
    • G03B7/091G03B7/09979
    • An exposure calculation device for cameras is equipped with: a divisional photometry device (10) having a plurality of photometer elements (11a-11h) for performing photometry respectively on each of a plurality of divisional areas constituting a field; a photoelectric transfer element (43a,b) array for performing photometry on at least a part of the field; an edge detection device, which determines a boundary section defining on the photoelectric transfer element array a higher-photometry-output region and a lower-photometry-output region and which outputs edge information on this boundary section; a selection device, which selects at least one of the photometer elements of the divisional photometry device on the basis of the edge information, exposure calculation being enabled by the photometry output of the photometer element thus selected; and an exposure calculation device (80), which calculates a correct exposure for a principal object in the field on the basis of the photometry output of the selected photometer element.
    • 一种用于照相机的曝光计算装置配备有:分光测光装置(10),其具有分别在构成场的多个分割区域中的每一个上进行测光的多个光度计元件(11a-11h) 用于在场的至少一部分上进行测光的光电转移元件(43a,b)阵列; 边缘检测装置,其确定在所述光电转移元件阵列上限定较高测光输出区域和下测光输出区域的边界部分,并在所述边界部分上输出边缘信息; 选择装置,其根据边缘信息选择分光测光装置的光度计元件中的至少一个,通过由此选择的光度计元件的测光输出实现曝光计算; 以及曝光计算装置(80),其基于所选择的光度计元件的测光输出来计算场中的主要对象的正确曝光。
    • 9. 发明公开
    • Camera with automatic light adjusting device
    • Kamera mit einer automatischen Belichtungssteuerungseinrichtung。
    • EP0512508A1
    • 1992-11-11
    • EP92107642.8
    • 1992-05-06
    • NIKON CORPORATION
    • Takagi, Tadao
    • G03B15/05G03B7/00
    • G03B7/17G03B7/08G03B7/09974G03B7/09979G03B7/16
    • A camera provided with an automatic light adjusting device comprises a flash apparatus for performing a preliminary flash before a main flash, a light metering device for at least metering a light which is emitted from the flash apparatus and reflected by a photographic field, a light metered value correcting device for correcting a light metered value upon the preliminary flash by eliminating a component of stationary light excluding the light emitted from the flash apparatus and reflected by the photographic field, from the light metered value upon the preliminary flash which is metered by the light metering device, and a light adjusting device for adjusting the main flash of the flash apparatus based on the light metered value corrected by the light metered value correcting device.
    • 配备有自动调光装置的相机包括用于在主闪光之前执行预闪的闪光装置,用于至少计量从闪光装置发射并由照相场反射的光的计量装置,计量的光 数值校正装置,用于通过从由闪光装置发射的并且由照相场反射的光除去在由闪光计量的预备闪光时的光计量中除了固定光的分量以校正初步闪光时的光计量 计量装置和调光装置,用于基于由光计量值校正装置校正的光计量值来调节闪光装置的主闪光。