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    • 41. 发明授权
    • Electric driving device
    • 电动驱动装置
    • US4279490A
    • 1981-07-21
    • US82461
    • 1979-10-09
    • Yukio MashimoTomonori IwashitaHidehiko Fukahori
    • Yukio MashimoTomonori IwashitaHidehiko Fukahori
    • G03B17/00G03B17/42H02P7/00G03B1/00
    • G03B17/425H02P7/03
    • In the disclosed device, forward and reverse rotation of a motor is used to wind and rewind a camera. A first semi-conductor switching element becomes conductive during winding and a second semi-conductor switching element becomes conductive during rewinding, the switching elements being connected in series across a power source. A selector switch has its fixed terminals connected to opposite poles of the power source. The motor is connected between the armature of the selector switch and the point between the switching elements. Driving circuits operate the switches so that the motor is driven in one direction when the selector switch is in one position and the reverse direction when the selector switch is in the other position and arranged to brake the motor after rewinding has stopped.
    • 在所公开的装置中,使用马达的正向和反向旋转来卷绕和倒带相机。 第一半导体开关元件在绕组期间变为导通,并且第二半导体开关元件在倒绕期间变为导通,开关元件跨越电源串联连接。 选择开关的固定端子连接到电源的相反极。 电动机连接在选择开关的电枢和开关元件之间的点之间。 驱动电路操作开关,使得当选择器开关处于一个位置时,电动机沿一个方向驱动,当选择器开关处于另一位置时,电动机被反向驱动,并且在倒带停止之后布置成制动电动机。
    • 42. 发明授权
    • Electric motor drive device for camera
    • 电动机驱动装置
    • US4278337A
    • 1981-07-14
    • US008512
    • 1979-02-01
    • Yukio Mashimo
    • Yukio Mashimo
    • G03B1/12G03B17/00G03B17/42G03B1/18G03B7/26
    • G03B17/425
    • An electric motor drive device for a camera includes an operation switch interlocked with a starting operation member, a memory circuit arranged to memorize the operated movement of the operation member through the output of the operation switch, and an electric motor control circuit which is controlled by the output of the memory circuit. The motor is arranged to be brought into an inhibited state in response to a signal produced by the operation of the operation member and to be released from the inhibited state into a driven state when the memory circuit is inverted by another signal. The latter signal is produced during a returning movement of the operation member in its operation. The memory circuit is provided with a semiconductor switch for allowing power to be supplied to the memory circuit only when it is in operation so as to avoid unnecessary power consumption. The operation of the memory circuit is performed under supply of power received through a constant voltage circuit so as to eliminate the possibility of an erroneous action due to voltage variation which takes place in the power supply when the motor is driven.
    • 一种用于照相机的电动机驱动装置包括与启动操作部件互锁的操作开关,存储电路,其被布置成通过操作开关的输出记忆操作部件的操作动作;以及电动机控制电路,其由 存储电路的输出。 电动机被布置为响应于由操作构件的操作产生的信号而被置于禁止状态,并且当存储器电路被另一个信号反相时,将其从禁止状态释放到驱动状态。 后者的信号是在操作部件的操作返回运动期间产生的。 存储器电路设置有半导体开关,用于仅在其操作时才向存储电路供电,以避免不必要的功耗。 在通过恒压电路接收的电力的供给下进行存储电路的动作,以消除在电动机被驱动时在电源中发生的电压变化引起的错误动作的可能性。
    • 43. 发明授权
    • Winding up device of a camera
    • 清理相机的装置
    • US4175845A
    • 1979-11-27
    • US834505
    • 1977-09-19
    • Tomonori IwashitaHiroyuki TakimotoYukio MashimoTeiji Hashimoto
    • Tomonori IwashitaHiroyuki TakimotoYukio MashimoTeiji Hashimoto
    • G03B17/00G03B17/42G03B1/18F16D11/06
    • G03B17/425
    • In a winding up device of a camera settable to an operative position at a phase of exposure completion and to an inoperative position at a phase of winding up completion, there is provided an electromagnetic clutch in transmitting means for transmitting driving force from a drive source of the winding up device. Electrical supply of power to the drive source or winding up motor and the electromagnetic clutch are controlled through a detecting means for detecting the phase of winding up completion to effect rapid changeover between the connection and separation of the driving force of the winding up motor to and from a winding member of the camera, thereby a continuous winding up operation is performed with ease. Power is cut off to the winding up motor switching device and to an electromagnetic clutch switching means to make the film winding up mechanism powerless before a device for stopping the wind up action begins to work.
    • 在相机的曝光完成阶段的可操作位置的相机的卷绕装置和卷绕完成阶段的不工作位置的同时,提供了一种电磁离合器,用于从驱动源的驱动源 卷绕装置。 通过用于检测卷绕完成阶段的检测装置来控制对驱动源或卷绕电动机和电磁离合器的电力供应,以实现连接之间的快速切换和将卷绕电动机的驱动力分离到 从相机的卷绕部件,由此容易地执行连续的卷绕操作。 电力切断到卷绕电动机切换装置和电磁离合器切换装置,以在用于停止卷绕动作的装置开始工作之前使膜卷绕机构无功。
    • 45. 发明授权
    • Flash light photographic system for camera
    • 相机用闪光照相系统
    • US4021824A
    • 1977-05-03
    • US583633
    • 1975-06-04
    • Takashi UchiyamaYukio MashimoZenzo NakamuraYoji Sugiura
    • Takashi UchiyamaYukio MashimoZenzo NakamuraYoji Sugiura
    • G03B15/05G03B7/16
    • G03B7/16
    • The present invention relates to the flash photographic system for camera which is characterized in that the system presents a safety device for preventing various misoperations generally apt to take place at the time of taking a photograph by using a flash light device. By means of the operation of this device, the shutter time is set at a certain determined time for taking a photograph under flash light with the shutter time setting means at the camera side whereby the flash light photographic mode setting signal can be obtained only when the light device is set at the state ready for flash lighting in such a manner that the camera is capable of taking a photograph under flash light only when this signal is obtained. According to a preferred embodiment in accordance with the present invention, even when the release operation is carried out so that the above mentioned flash light photographic mode setting signal is not obtained, the flash light device does not operate by means of the effect of the safety device so that the camera is automatically set in the state for taking photography under ordinary day light.
    • 本发明涉及一种用于相机的闪光摄影系统,其特征在于,该系统提供一种安全装置,用于防止通过使用闪光灯装置拍摄照片时通常易于发生的各种误操作。 通过该装置的操作,将快门时间设定在用于在闪光灯下拍摄照片的确定时间,其中快门时间设定装置在相机侧,由此仅当闪光灯照相模式设定信号 光装置被设置在准备闪光照明的状态,使得照相机仅在获得该信号时能够在闪光下拍摄照片。 根据本发明的优选实施例,即使执行了解除操作以使得没有获得上述闪光照相模式设置信号,闪光灯装置也不会通过安全的作用而操作 设备,使相机自动设置为在普通日光下拍摄的状态。