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1. 发明授权

US5068562A Small stepping motor 失效
标题翻译：小步进电机
公开(公告)号：US5068562A
公开(公告)日：1991-11-26
申请号：US438557
申请日：1989-11-17
申请人： Shigeru Tagami , Yoshio Umedu , Katsuhito Niwa
发明人： Shigeru Tagami , Yoshio Umedu , Katsuhito Niwa
IPC分类号： H02K11/00 , H02K37/16
CPC分类号： H02K11/00 , H02K37/16
摘要： A small stepping motor has a rotor comprised of a rotatably mounted and radially magnetized permanent magnet having a plurality of magnetic poles, a stator having a plurality of magnetic pole portions positioned to face the rotor, a coil wound around the stator, and a driving circuit for controlling the exciting current supplied to the coil. A leakage flux converging member is positioned in the vicinity of the stator so that leakage magnetic flux from the stator or the coil is converged by the leakage flux converging member so as to pass through the stator.
摘要翻译：小型步进电动机具有转子，其包括具有多个磁极的可旋转地安装的和径向磁化的永磁体，定子具有定位成面对转子的多个磁极部分，缠绕在定子上的线圈和驱动电路用于控制提供给线圈的励磁电流。漏磁通会聚构件位于定子附近，使得来自定子或线圈的漏磁通量被漏磁通量会聚构件会聚，以便通过定子。

2. 发明授权

US5181063A Camera shutter 失效
标题翻译：相机快门
公开(公告)号：US5181063A
公开(公告)日：1993-01-19
申请号：US719875
申请日：1991-06-24
申请人： Shigeru Tagami , Kazuo Akimoto , Kanji Ito , Katsuhiko Matsushita
发明人： Shigeru Tagami , Kazuo Akimoto , Kanji Ito , Katsuhiko Matsushita
IPC分类号： G03B7/097 , G03B7/10 , G03B7/26 , G03B9/10 , G03B9/62 , G03B17/20 , G03B43/02
CPC分类号： G03B7/10 , G03B17/20 , G03B43/02 , G03B7/26 , G03B9/62
摘要： A camera shutter system has a motor driven sector for opening and closing a shutter opening. A photo-interruptor is positioned to intercept a light beam, to effect the generation of a photo-interruptor signal. A timer has a counter that is set to a first count in response to the photo-interruptor signal, and is reset when a given count is reached. A shutter malfunction signal is generated when the level of the photo-interruptor signal has not changed by the time the given count is reached.
摘要翻译：相机快门系统具有用于打开和关闭快门开口的马达驱动扇区。一个光电断路器被定位成拦截一个光束，以产生一个光电断路器信号。定时器具有响应于光电断路器信号而被设置为第一计数的计数器，并且在达到给定计数时被复位。当光接收器信号的电平没有改变到达到给定计数的时间时，产生快门故障信号。

3. 发明授权

US4782353A Stepping motor-driven sector opening/closing device 失效
标题翻译：步进电机驱动扇区开闭装置
公开(公告)号：US4782353A
公开(公告)日：1988-11-01
申请号：US706127
申请日：1985-02-27
申请人： Masuo Ogihara , Shigeru Tagami , Nobuo Shinozaki
发明人： Masuo Ogihara , Shigeru Tagami , Nobuo Shinozaki
IPC分类号： G03B9/08
CPC分类号： G03B9/08
摘要： In a program shutter using a stepping motor for opening and closing sectors, the stepping motor is composed of a 4-pole magnetized rotor and two sets of U-shaped stators and coils, the stators being each provided with a pair of leg portions which are formed with magnetic poles at end portions thereof in an opposed relation to the outer periphery of the rotor, the magnetic poles at the leg end portions of each stator being formed in a phase relation of 90.degree. with respect to the rotational center of the rotor, and one magnetic poles of the stators being disposed in proximity to each other so as to in a phase relation of 45.degree. with respect to the rotational center of the rotor.
摘要翻译：在使用步进马达开闭扇区的程序快门中，步进电机由4极磁化转子和两组U形定子和线圈构成，定子分别设有一对脚部，在与转子的外周相对的端部形成有磁极，每个定子的腿端部的磁极相对于转子的旋转中心以90°的相位关系形成，并且定子的一个磁极彼此相邻地设置成相对于转子的旋转中心成45度的相位关系。

4. 发明授权

US5181064A Camera shutter 失效
标题翻译：相机快门
公开(公告)号：US5181064A
公开(公告)日：1993-01-19
申请号：US719866
申请日：1991-06-24
申请人： Shigeru Tagami , Kazuo Akimoto , Katsuhiko Matsushita , Kanji Ito
发明人： Shigeru Tagami , Kazuo Akimoto , Katsuhiko Matsushita , Kanji Ito
IPC分类号： G03B7/097 , G03B7/10 , G03B7/26 , G03B9/08 , G03B9/10 , G03B9/14 , G03B9/58 , G03B9/62
CPC分类号： G03B7/26 , G03B7/097 , G03B7/10 , G03B9/14 , G03B9/58 , G03B9/62
摘要： A camera shutter system has a motor driven sector for opening and closing a shutter opening. A photo-interruptor is positioned to intercept a light beam, to effect the sequential generation of first and second photo-interruptor signal pulses, the first pulse having a width that is a function of the speed of the sector. A timer has a counter that is set to a first count corresponding to an exposure value that is a function of the brightness of an object to be photographed and the width of the first photo-interruptor signal. The timer is controlled to count down in response to the second photo-interruptor signal, and the sector driving motor is energized during the count down of the timer.
摘要翻译：相机快门系统具有用于打开和关闭快门开口的马达驱动扇区。光中断器被定位成截取光束，以实现第一和第二光中断器信号脉冲的顺序生成，第一脉冲具有作为扇区速度的函数的宽度。定时器具有被设置为对应于作为要拍摄对象的亮度和第一光中断信号的宽度的函数的曝光值的第一计数的计数器。定时器被控制为响应于第二光中断器信号倒计时，并且扇区驱动电机在定时器的倒计时期间被通电。

5. 发明授权

US5291237A Flash synchronizing device 失效
标题翻译：闪光同步装置
公开(公告)号：US5291237A
公开(公告)日：1994-03-01
申请号：US874285
申请日：1992-04-24
申请人： Shigeru Tagami , Tomihiko Aoyama , Teruyo Hayakawa , Hiroshi Yamazaki , Yuji Nakajima , Seiichi Imano
发明人： Shigeru Tagami , Tomihiko Aoyama , Teruyo Hayakawa , Hiroshi Yamazaki , Yuji Nakajima , Seiichi Imano
IPC分类号： G03B7/095 , G03B7/16 , G03B15/05 , G03B15/03 , G03B7/08
CPC分类号： G03B7/16 , G03B7/095
摘要： A camera has a shutter which may also constitute a diaphragm. In a multi-flash mode the shutter selectively has a maximum aperture at an onset or at the end of the time base. The flash occurs in synchronism with a shutter waveform shaped by this aperture area and a time base element. In a second embodiment, a second diaphragm setting circuit is provided, in diaphragm priority photography, for computing a measurement value of a distance to a subject and a second diaphragm value from the guide number during an emission of flashed light. The diaphragm is set to the computed second diaphragm value, ad an electronic flash is energized with a desired aperture area. The diaphragm is set to an initial value to effect the photography at a time other than during the emission of flashed light. A timing circuit may be provided for setting the diaphragm to the second diaphragm value. The aperture area may be increased or decreased for diaphragm matching with the quantity of flashed light and the distance to the subject during diaphragm priority flash photography.
摘要翻译：相机具有也可以构成隔膜的快门。在多闪光模式中，快门在时基的开始或结束时选择性地具有最大光圈。闪光与由该开口区域和时基元件形成的快门波形同步地发生。在第二实施例中，在隔膜优先摄影中设置第二隔膜设置电路，用于在闪光灯发射期间计算距离被摄体的距离的测量值和来自引导号的第二光阑值。光阑被设定为计算出的第二光阑值，电子闪光灯被所需的光圈区域通电。隔膜被设置为初始值，以在除了发光之前的时间进行摄影。可以提供定时电路用于将隔膜设置到第二隔膜值。在光圈优先闪光摄影期间，可以增加或减少光圈匹配与闪光量和被摄体距离的光圈面积。

6. 发明授权

US5060000A Motor-driven shutter for camera 失效
标题翻译：用于摄像机的电动快门
公开(公告)号：US5060000A
公开(公告)日：1991-10-22
申请号：US427037
申请日：1989-10-25
申请人： Masuo Ogihara , Hiroyuki Ishida , Shinji Nagaoka , Youichi Seki , Shigeru Tagami , Hiroshi Yamazaki , Nobuo Shinozaki
发明人： Masuo Ogihara , Hiroyuki Ishida , Shinji Nagaoka , Youichi Seki , Shigeru Tagami , Hiroshi Yamazaki , Nobuo Shinozaki
IPC分类号： G03B3/10 , G03B7/10
CPC分类号： G03B3/10 , G03B7/10
摘要： A drive ring drivable by a stepping motor is normally urged by a spring to turn in one direction around a lens aperture. When not in use, the stepping motor is not subjected to the resilient force from the spring since the drive ring is locked against rotation by a ratchet wheel engaged by an engagement lever. The stepping motor is therefore not subjected to undue stresses and is prevented from malfunctioning. Consequently, focusing failures and exposure adjustment failures which could otherwise arise from malfunctioning of the stepping motor are prevented from occurring. In operation, a solenoid is energized to move the engagement lever out of engagement with the ratchet wheel, which is then freed to allow the drive ring to be turned by the stepping motor.
摘要翻译：由步进电机驱动的驱动环通常由弹簧推动以围绕透镜孔向一个方向转动。当不使用时，步进电机不受弹簧的弹力，因为驱动环被接合杆啮合的棘轮锁定以防旋转。因此，步进电机不会受到过大的应力，并且不会发生故障。因此，防止由于步进电机故障引起的聚焦故障和曝光调整故障发生。在操作中，螺线管被通电以将接合杆移动脱离与棘轮的接合，然后释放该棘轮，以允许驱动环由步进电机转动。

7. 发明授权

US4881096A Motor-driven shutter for camera 失效
标题翻译：用于摄像机的电动快门
公开(公告)号：US4881096A
公开(公告)日：1989-11-14
申请号：US15169
申请日：1987-02-17
申请人： Masuo Ogihara , Hiroyuki Ishida , Shinji Nagaoka , Youichi Seki , Shigeru Tagami , Hiroshi Yamazaki , Nobuo Shinozaki
发明人： Masuo Ogihara , Hiroyuki Ishida , Shinji Nagaoka , Youichi Seki , Shigeru Tagami , Hiroshi Yamazaki , Nobuo Shinozaki
IPC分类号： G03B13/36 , G02B7/09 , G03B3/10 , G03B7/10 , G03B9/08
CPC分类号： G03B7/10 , G03B3/10
摘要： A camera shutter has an automatic focusing lens operative when actuated to effect an automatic focusing operation. An actuating ring is normally placed in a non-operating region and momentarily shifted to an operating region during the automatic focusing operation. The actuating ring is sequentially displaceable in forward and reverse direction through the operating region to actuate the automatic focusing lens, and displaceable in the forward and reverse directions in the non-operating region without effecting actuation of the automatic focusing lens. A ratchet mechanism is coupled to the actuating ring for selectively locking and unlocking the actuating ring in the non-operating region in response to the displacement thereof in the forward and reverse directions. A bi-directionally rotatable stepping motor is connected to drive the actuating ring to displace the same in the forward and reverse directions.
摘要翻译：相机快门具有自动聚焦透镜，当被致动时可操作以实现自动聚焦操作。致动环通常放置在非操作区域中，并且在自动对焦操作期间暂时移动到操作区域。致动环可以在正向和反向方向上顺序地通过操作区域移动，以启动自动聚焦透镜，并且在非操作区域中可沿前后方向移位，而不影响自动聚焦透镜的致动。棘轮机构联接到致动环，用于响应于其在正向和反向的位移而选择性地在非操作区域中锁定和解锁致动环。连接双向旋转的步进电动机以驱动致动环，以沿前后方向使其移动。

8. 发明授权

US5679988A Rocking motor 失效
标题翻译：摇摆马达
公开(公告)号：US5679988A
公开(公告)日：1997-10-21
申请号：US532158
申请日：1995-09-22
申请人： Akihiro Ito , Miyoshi Tanikawa , Kazuo Akimoto , Shigeru Tagami , Masaki Tanaka
发明人： Akihiro Ito , Miyoshi Tanikawa , Kazuo Akimoto , Shigeru Tagami , Masaki Tanaka
IPC分类号： G03B9/08 , H01F7/08 , H02K1/27 , H02K33/16 , H02K33/00 , H02K35/00
CPC分类号： H02K33/16 , H02K1/2726
摘要： A rocking motor comprises a coil wound around a hollow coil bobbin. A rotor is rotatably mounted at a position close to an end portion of the coil bobbin. The rotor has a center shaft and a permanent magnet and is magnetized with two poles such that the positions of the poles are located close to the coil and the magnetization angle is greater than 90 degrees but less than 180 degrees. The positions of the poles of the rotor and the coil are adjacent to one another so that a rotary torque can be efficiently obtained by a magnetic force generated by the coil. The rocking motor can generate a high power output with a relatively low power supply and its operational performance is not adversely affected by an external magnetic field.
摘要翻译：摇摆马达包括缠绕在中空线圈架上的线圈。转子可旋转地安装在靠近线圈架的端部的位置。转子具有中心轴和永磁体，并被磁化为两极，使得极的位置靠近线圈并且磁化角大于90度但小于180度。转子和线圈的极的位置彼此相邻，使得可以通过线圈产生的磁力有效地获得旋转扭矩。摇摆马达可以产生具有相对低的电源的高功率输出，并且其运行性能不受外部磁场的不利影响。

9. 发明授权

US5220376A Arrangement for compensating for variable speed of a camera shutter 失效
标题翻译：用于补偿相机快门的变化速度的布置
公开(公告)号：US5220376A
公开(公告)日：1993-06-15
申请号：US719880
申请日：1991-06-24
申请人： Shigeru Tagami , Kazuo Akimoto , Kanji Ito , Katsuhiko Matsushita
发明人： Shigeru Tagami , Kazuo Akimoto , Kanji Ito , Katsuhiko Matsushita
IPC分类号： G03B7/097 , G03B7/10 , G03B9/10 , G03B9/14 , G03B9/24 , G03B9/62
CPC分类号： G03B9/14 , G03B7/099 , G03B7/10 , G03B9/24 , G03B9/62
摘要： A camera shutter system has a motor driven sector for opening and closing a shutter opening. A photo-interruptor is positioned to intercept a light beam, to effect the outputting by the photo-interruptor of a signal pulse corresponding to the speed of the shutter. A memory storing exposure data, such as a matrix memory, is accessible as a function of the speed signal and an exposure quantity that is a function of the brightness of the brightness of an object to be photographed. The accessed exposure data is modified as a function of an observed exposure quantity.
摘要翻译：相机快门系统具有用于打开和关闭快门开口的马达驱动扇区。一个光电断路器被定位成拦截一个光束，以实现由光电断路器对应于快门速度的信号脉冲的输出。存储存储曝光数据的存储器，例如矩阵存储器，可以作为速度信号和作为要拍摄对象的亮度亮度的函数的曝光量的函数来访问。所访问的曝光数据被修改为观察到的曝光量的函数。

10. 发明授权

US4933695A Method of driving a motor-driven shutter for a camera 失效
标题翻译：驱动摄像机的电动快门的方法
公开(公告)号：US4933695A
公开(公告)日：1990-06-12
申请号：US369793
申请日：1989-06-22
申请人： Hiroaki Ishida , Shigeru Tagami , Yoshio Umezu , Masaki Tanaka
发明人： Hiroaki Ishida , Shigeru Tagami , Yoshio Umezu , Masaki Tanaka
IPC分类号： G03B9/10 , G03B9/22
CPC分类号： G03B9/22
摘要： A method of driving a motor-driven shutter for a camera having a sector opening lever which is pivotal to open and close sectors, a sector opening cam movably supported and engageable with an engagement pin provided on the sector opening lever, an actuating member for pivoting the sector opening lever through engagement between the sector opening cam and the engagement pin, and a reversible motor for driving the actuating member. The motor is temporarily suspended when the actuating member is driven to a position where the sector opening cam comes into contact with the engagement pin, and the motor is restarted to cause the engagement pin to reach a predetermined position on the sector opening cam. Thus, it is possible to obtain a stable shutter opening operation and hence increase the degree of aperture accuracy.
摘要翻译：一种驱动用于相机的电动快门的方法，所述照相机具有能够打开和关闭扇区的枢转的扇形开启杆，可移动地支撑并与设置在扇形开启杆上的接合销接合的扇形开口凸轮，用于枢转的致动构件扇形开启杆通过扇形开启凸轮和接合销之间的接合以及用于驱动致动构件的可逆电动机。当致动构件被驱动到扇形开启凸轮与接合销接触的位置时，电动机暂时悬挂，并且马达重新启动，使得接合销到达扇形开口凸轮上的预定位置。因此，可以获得稳定的快门打开操作，从而增加了孔径精度。

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