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    • 6. 发明授权
    • Camera with display device
    • 相机带显示设备
    • US4999665A
    • 1991-03-12
    • US352257
    • 1989-05-16
    • Hirokazu KurodaMasaaki NakaiTakehiro KatohTetsuro OhyaShuji IzumiAkira Okuno
    • Hirokazu KurodaMasaaki NakaiTakehiro KatohTetsuro OhyaShuji IzumiAkira Okuno
    • G03B17/18G03B17/20
    • G03B17/18
    • A camera comprises a main switch, a battery, a battery checking circuit, a display device, a timer and a controller. The camera can be operative by the turn ON of the main switch and can not be operative by the turn OFF of the main switch. The battery supplies an electrical power to circuits in the camera. The battery checking circuit checks a state of the battery. The timer counts a predetermined period of time in response to the turn ON of the main switch. The controller controls the display device based on a result of the battery checking circuit to display the state of the battery during the predetermined period of time and turning off a display of the display device if the state of the battery is better for the camera than a predetermined state after a lapse of the predetermined period of time. Thereby, it is easy to see the other display of the camera in the display device.
    • 相机包括主开关,电池,电池检查电路,显示装置,定时器和控制器。 相机可以通过主开关的接通操作,并且不能通过主开关的关闭操作。 电池为相机中的电路供电。 电池检查电路检查电池的状态。 定时器响应于主开关的接通而计数预定的时间段。 控制器基于电池检查电路的结果控制显示装置,以在预定时间段期间显示电池的状态,并且如果电池的状态对于照相机而言是更好的,则关闭显示装置的显示,而不是 经过预定时间段之后的预定状态。 因此,容易看到显示装置中的相机的其他显示。
    • 10. 发明授权
    • Exposure display device
    • 曝光显示装置
    • US4748468A
    • 1988-05-31
    • US10967
    • 1987-02-04
    • Akihiko FujinoShuji IzumiMasaaki NakaiHiromu MukaiToshio YamakiNobuyuki Taniguchi
    • Akihiko FujinoShuji IzumiMasaaki NakaiHiromu MukaiToshio YamakiNobuyuki Taniguchi
    • G03B7/091G03B7/16G03B7/28G03B17/20G03B3/00G03B17/18
    • G03B17/20G03B7/097G03B7/16G03B7/28
    • An exposure display device for a camera, which can display not only the density of the background to be photographed on a film but also the density of a primary object to be focused with respect to an exposure control value used for exposure control operation. In natural light photography, the brightness of the primary object area at which automatic focus detection is conducted and the brightness of divided object field areas are measured, the density distribution of the primary object area and those of the divided object field areas reproduced on the film are calculated basing on the measurement, and the results are displayed in correspondence to the exposure control value. In flash light photography, the expected brightness of the primary object area and divided object field areas are measured, and the density distribution of the primary object area and object field areas reproduced on the film are calculated and displayed in correspondence to the exposure control value.
    • 一种用于相机的曝光显示装置,其不仅可以显示关于要在胶片上拍摄的背景的浓度,还可以显示关于用于曝光控制操作的曝光控制值的要聚焦的主要物体的浓度。 在自然光摄影中,测量进行自动聚焦检测的主要对象区域的亮度和测量分割的物场区域的亮度,主要区域的密度分布和在电影上再现的分割的物场区域的密度分布 基于测量计算,并且结果根据曝光控制值显示。 在闪光灯拍摄中,测量主要对象区域和分割对象场区域的预期亮度,并根据曝光控制值计算和显示在胶片上再现的主要对象区域和对象场区域的浓度分布。