-
公开(公告)号：US4710010A
公开(公告)日：1987-12-01
申请号：US13198
申请日：1987-02-09
申请人： Akihiro Namai , Akira Egawa , Takanori Kodaira
发明人： Akihiro Namai , Akira Egawa , Takanori Kodaira
CPC分类号： G02B7/08 , Y10T74/2133
摘要： A device for driving the axial movement of a photographic lens barrel of a camera including a distance adjusting ring having a number of cam portions of similar shape arranged successively on the front end of the ring to cooperate with a follower on the barrel, a ratchet mechanism for turning the ring from the initial or first to the terminal or second position of each cam portion, a rotor arranged in a magnetic field to drive the ratchet mechanism, and a circuit for controlling the current supply to the rotor. After an exposure has been completed, as the ring is further turned in the same direction, when the terminal end of the cam portion moves away from the follower, the lens barrel is set in the initial position of the next cam portion. The rotor control circuit is provided with a switch arranged to open after the lens barrel has moved some distance from the initial position, whereby the circuit is rendered responsive to the closure of the switch for stopping the current supply to the rotor.
摘要翻译： 一种用于驱动照相机的照相镜筒的轴向运动的装置，包括距离调节环，该距离调节环具有多个类似形状的凸轮部分，其连续布置在环的前端上以与筒上的随动件配合，棘轮机构 用于将环从每个凸轮部分的初始位置或第一位置转换到终端或第二位置，设置在磁场中以驱动棘轮机构的转子以及用于控制向转子供电的电路。 在曝光完成之后，随着环进一步向相反方向转动，当凸轮部分的末端远离跟随器时，透镜镜筒被设定在下一个凸轮部分的初始位置。 转子控制电路设置有开关，该开关布置成在镜筒从初始位置移动一定距离之后打开，由此响应于开关的闭合而使电路响应，以停止向转子供电。
-
公开(公告)号：US4671639A
公开(公告)日：1987-06-09
申请号：US857524
申请日：1986-04-23
申请人： Takanori Kodaira , Akira Egawa , Akihiro Namai
发明人： Takanori Kodaira , Akira Egawa , Akihiro Namai
CPC分类号： G03B9/08
摘要： In a camera which is provided with an electromagnetically driven lens barrel and is arranged to control a shutter by driving a rotor with an electromagnetic force generated by energizing a coil printed on the rotor, power supply to the coil is effected in a pulse-like manner for drawing out a photo-taking lens and in a continuous manner for driving the shutter.
摘要翻译： 在设置有电磁驱动透镜镜筒的照相机中，并且被配置为通过用通过向印刷在转子上的线圈通电而产生的电磁力驱动转子来控制快门，线圈的电源以脉冲状方式 用于抽出摄影镜头并以连续的方式驱动快门。
-
公开(公告)号：US4684233A
公开(公告)日：1987-08-04
申请号：US835966
申请日：1986-03-04
申请人： Takanori Kodaira , Akihiro Namai , Akira Egawa
发明人： Takanori Kodaira , Akihiro Namai , Akira Egawa
CPC分类号： G02B7/08
摘要： This patent application discloses a device for driving the photographic optical system of the camera in which a switch for detecting when the photographic optical system reaches an initial position is made responsive to the moved position of cam means that controls the axial position of the optical system, and the phase of the optical system with the switch is made delayed in relation to the phase of the optical system with the cam means, thereby an improvement of accuracy is achieved.
摘要翻译： 该专利申请公开了一种用于驱动摄像机的照相光学系统的装置，其中响应于控制光学系统的轴向位置的凸轮装置的移动位置来检测用于检测摄影光学系统何时到达初始位置的开关， 并且使用开关的光学系统的相位相对于具有凸轮装置的光学系统的相位被延迟，从而实现精度的提高。
-
公开(公告)号：US4769664A
公开(公告)日：1988-09-06
申请号：US47562
申请日：1987-04-27
申请人： Akihiro Namai , Akira Egawa , Takanori Kodaira
发明人： Akihiro Namai , Akira Egawa , Takanori Kodaira
CPC分类号： G02B7/08
摘要： A barrel driving device for a camera including a distance adjusting ring having cam portions for axially moving a photographic lens barrel forward, ratchet teeth formed in the outer periphery of the distance adjusting ring, a ratchet arranged upon movement from an initial or first position to a second position to turn the distance adjusting ring in engagement with one of the ratchet teeth, and a pawl arranged upon engagement with one of the ratchet teeth to hinder the reverse movement of the distance adjusting ring, wherein there is provided a limiting member having an abutment surface against which the head of the ratchet abuts so that the ratchet is hindered from turning outwardly of the distance adjusting ring when it goes in the second position.
摘要翻译： 一种用于照相机的镜筒驱动装置，包括距离调节环，该距离调节环具有用于向前轴向移动照相镜头镜筒的凸轮部分，形成在距离调节环的外周中的棘轮齿，在从初始位置或第一位置移动到第一位置时布置的棘轮 使所述距离调节环与所述棘轮齿之一接合的第二位置，以及与所述棘齿中的一个啮合的棘爪，以阻止所述距离调节环的反向移动，其中设置有限制构件，所述限制构件具有邻接 棘爪的头部抵靠的表面抵靠，使得棘轮在其进入第二位置时阻碍距距离调节环的向外转动。
-
公开(公告)号：US4653892A
公开(公告)日：1987-03-31
申请号：US857522
申请日：1986-04-23
申请人： Akihiro Namai , Akira Egawa , Takanori Kodaira
发明人： Akihiro Namai , Akira Egawa , Takanori Kodaira
摘要： An apparatus for axially moving a photographic lens barrel in a camera by a corresponding number of steps to the number of driving pulses supplied to a rocking coil in a magnetic field, as motion of the coil is transmitted through a ratchet mechanism with a cam to the barrel. In synchronism with the falling edge of each driving pulse at which the ratchet mechanism starts to return to its initial position by the bias force of a spring, a negative going pulse of shorter duration than that of the driving pulse is applied to the coil to speed up the setting of the barrel.
摘要翻译： 一种用于在摄像机中轴向移动摄影镜头镜筒的设备，以相当数量的步进，以提供给磁场中的摇摆线圈的驱动脉冲的数量，当线圈的运动通过具有凸轮的棘轮机构传递到 桶。 与棘轮机构通过弹簧的偏压力开始返回到其初始位置的每个驱动脉冲的下降沿同步，与驱动脉冲相比，持续时间短的负向脉冲被施加到线圈到速度 桶的设置。
-
公开(公告)号：US4607932A
公开(公告)日：1986-08-26
申请号：US727581
申请日：1985-04-26
申请人： Akira Egawa , Takanori Kodaira , Akihiro Namai
发明人： Akira Egawa , Takanori Kodaira , Akihiro Namai
CPC分类号： G03B7/26
摘要： Pulses of such frequency that an electromagnetic drive device does not operate in response thereto are produced by a pulse generating circuit. While these pulse are being applied to the electromagnetic drive device, the voltage of an electrical power source in the real load running state is detected by a battery checking circuit.
摘要翻译： 通过脉冲发生电路产生电磁驱动装置不响应的频率的脉冲。 当这些脉冲被施加到电磁驱动装置时，通过电池检查电路检测实际负载运行状态下的电源的电压。
-
公开(公告)号：US4603954A
公开(公告)日：1986-08-05
申请号：US683400
申请日：1984-12-19
申请人： Akira Egawa , Takanori Kodaira
发明人： Akira Egawa , Takanori Kodaira
CPC分类号： G03B7/16
摘要： The object distance from a range finder is factored into the guide number of the strobe to obtain an aperture value in binary form by a decoder. As the size of aperture opening of the shutter is increasing from the minimum to the maximum, a counter counts up a corresponding number of pulses in addition to the preset value of film speed. The output of the counter is compared with the output of the decoder by a comparator upon coincidence to produce an actuating signal for the strobe.
摘要翻译： 距离取景器的物体距离被分解到选通灯的引导号中，以通过解码器获得二进制形式的光圈值。 随着快门的开口尺寸从最小值增加到最大值，除了预定的胶片速度值之外，计数器还会计数相应数量的脉冲。 通过比较器将计数器的输出与解码器的输出进行比较，以产生用于选通的致动信号。
-
公开(公告)号：US4708454A
公开(公告)日：1987-11-24
申请号：US936786
申请日：1986-12-02
申请人： Takanori Kodaira , Akira Egawa
发明人： Takanori Kodaira , Akira Egawa
CPC分类号： G03B7/16 , G03B7/093 , G03B2217/005
摘要： A shutter control apparatus for use with a variable focal length camera which has a lens shutter, a detecting means for detecting a fully opened state of the lens shutter, a discriminating means for discriminating the focal length of a photographing optical system, and a controlling means for closing the lens shutter in response to the detection of the fully opened state of the lens shutter made by the detecting means when the discriminating means determined that the photographing optical system has a longer focal length during flash photography.
摘要翻译： 一种与具有透镜快门的可变焦距照相机一起使用的快门控制装置，用于检测透镜快门的完全打开状态的检测装置，用于鉴别拍摄光学系统的焦距的判别装置，以及控制装置 当识别装置在闪光摄影期间确定拍摄光学系统具有较长的焦距时，响应于由检测装置检测到的透镜快门的完全打开状态来关闭镜头快门。
-
公开(公告)号：US4751543A
公开(公告)日：1988-06-14
申请号：US933323
申请日：1986-11-18
申请人： Takanori Kodaira , Akira Egawa
发明人： Takanori Kodaira , Akira Egawa
CPC分类号： G03B7/097 , G03B7/0993 , G03B2217/005
摘要： A control signal generator for a camera arranged to control the aperture of a stop by the opening degree of at least two shutter blades; to detect the opening degree of the shutter by detecting, with a photo interrupter, openings provided in one of the shutter blades; and to form a control signal based on to the opening degree of the shutter thus detected. When the shutter is closed, a shutter blade other than the blade having the openings confronts the light emitting and receiving elements of the photo interrupter to block an optical path thereby. When the shutter begins to open, the optical path is opened and the photo interrupter generates a signal indicating commencement of the opening action of the shutter.
摘要翻译： 一种用于照相机的控制信号发生器，其布置成通过至少两个快门叶片的开度控制止动器的孔径; 通过用光电断路器检测设置在所述快门叶片中的一个中的开口来检测所述快门的开度; 并且基于由此检测的快门的开度形成控制信号。 当快门关闭时，除了具有开口的刀片之外的快门叶片面对光断续器的发光和接收元件以阻挡光路。 当快门开始打开时，光路打开，光电断路器产生指示快门开启动作的信号。
-
公开(公告)号：US06542262B1
公开(公告)日：2003-04-01
申请号：US09025088
申请日：1998-02-17
IPC分类号： H04N104
CPC分类号： H04N1/00801 , H04N1/00795 , H04N1/00819 , H04N1/02409 , H04N1/121 , H04N1/193 , H04N2201/0406 , H04N2201/0408 , H04N2201/0416
摘要： In order to accurately perform correction of focal distance and color of film before pre-scanning, the image at the generally center area of the first frame of film is read in a first pre-scan, auto-focusing and judgment between negative/positive is made, exposure parameters are set in a second pre-scanning, and the image is read in main scanning.
摘要翻译： 为了在预扫描之前准确地执行胶片的焦距和颜色的校正，在第一预扫描中自动对焦并且在负/正之间判断在第一帧的大致中心区域处的图像是 在第二次预扫描中设置曝光参数，并且在主扫描中读取图像。
-
-
-
-
-
-
-
-
-
搜索结果
28 条记录 (耗时 0.017 秒)
