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    • 72. 发明授权
    • Moving driving device of camera
    • 移动相机的驱动装置
    • US4849779A
    • 1989-07-18
    • US169449
    • 1988-03-17
    • Kouji YamamotoShinji TominagaAkira YamanakaHiroshi UedaNobuyuki TaniguchiIkushi NakamuraMichihiro Iwata
    • Kouji YamamotoShinji TominagaAkira YamanakaHiroshi UedaNobuyuki TaniguchiIkushi NakamuraMichihiro Iwata
    • G03B7/091G03B7/16G03B15/05G03B17/42G03B1/00
    • G03B17/425G03B15/05G03B7/091G03B7/16G03B2215/0503
    • The motor drive device according to the present invention drives a motor until a hold signal disappears and the motor is braked when the holding signal disappears. After a predetermined period from the time when the holding signal disappears, it is detected whether or not a completion position signal representing that the load has reached the normal complete position is output. If the completion position signal is not output, the motor is started again. The load is driven until the load reaches the position where the completion position signal is output, and then the motor is braked. Thus the load can be stopped at the correct position. Also, with the motor drive device according to the present invention, the motor may be braked after the load is driven by a predetermined amount. After a predetermined period has passed therefrom, it is detected whether or not a signal representing that the load is normally driven is output, and if the signal is not ouput, the motor is started again. The load is driven until the signal is output and then the motor is braked. Thus, the load can be correctly driven.
    • 根据本发明的电机驱动装置驱动马达直到保持信号消失,并且当保持信号消失时马达被制动。 在保持信号消失之后的预定时间段之后,检测出表示负载已达到正常完成位置的完成位置信号是否被输出。 如果未输出完成位置信号,则电机再次启动。 负载被驱动直到负载到达完成位置信号输出的位置,然后电动机被制动。 因此,负载可以停在正确的位置。 此外,根据本发明的电动机驱动装置,在负载被驱动预定量之后,电动机可以被制动。 在经过预定时间之后,检测是否输出表示负载正常驱动的信号,如果信号不输出,则电动机再起动。 负载被驱动直到信号输出,然后马达被制动。 因此,可以正确地驱动负载。
    • 73. 发明授权
    • Still camera system usable for both film and electrophotography
    • 静态照相机系统可用于胶片和电子照相
    • US4831450A
    • 1989-05-16
    • US130198
    • 1987-12-08
    • Kazuchika SatoNobuyuki Taniguchi
    • Kazuchika SatoNobuyuki Taniguchi
    • G03B7/099G03B7/0997G03B7/16G03B15/05G03B17/26H04N5/225
    • H04N5/2251H04N5/2256
    • A still camera system comprises a camera body together with either a back for film or a still video back which are selectively mountable onto the camera body. When the still video back is mounted, a part of light incident on an image pickup CCD is directed to a photoelectric conversion element provided in the still video back. An output current of the photoelectric conversion element is converted into a voltage by a conversion circuit, and the voltage is transmitted to the camera body. When the back for film is mounted, light reflected from the film is received by a photoelectric conversion element provided in the camera body, and an output current in the photoelectric conversion element is converted into a voltage by a conversion circuit in the camera body. Based on an output of an operation switch responsive to the mounting of the still video back onto the camera body, one of the output voltages in the two conversion circuits is selected by a selection switch, the selected voltage is integrated by an integration circuit, and, when an integrated value reaches a predetermined level, a disable signal is transmitted to a flash unit. Flash control is thus effected both when the still video back is mounted or when the back for film is mounted.
    • 静态照相机系统包括照相机主体以及可选择性地安装到相机主体上的胶片背面或静止视频背面。 当静止视频背面被安装时,入射到摄像CCD的一部分光被引导到设置在静止视频中的光电转换元件。 光电转换元件的输出电流通过转换电路转换为电压,并将电压传送到相机机身。 当胶片背面安装时,由胶片反射的光被设置在相机机体中的光电转换元件接收,光电转换元件中的输出电流通过相机机体中的转换电路转换成电压。 基于响应于将静止视频安装到相机主体上的操作开关的输出,通过选择开关选择两个转换电路中的一个输出电压,所选择的电压由积分电路积分,并且 当积分值达到预定电平时,禁止信号被发送到闪光单元。 因此,当静止视频背面安装时或当胶片的背面安装时,闪光控制也是如此。
    • 78. 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。