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    • 11. 发明授权
    • Indicator mechanism in a pushbutton tuner
    • 按钮调谐器中的指示机构
    • US4428322A
    • 1984-01-31
    • US279471
    • 1981-07-01
    • Takao ChakiNobuaki WatanabeTakao Kanai
    • Takao ChakiNobuaki WatanabeTakao Kanai
    • H03J1/04G01D13/22H03J1/02
    • H03J1/04
    • An indicator mechanism in a pushbutton tuner characterized in that there is provided a front plate horizontally extending from the top end of the tuner casing. The front plate is integrally formed with two-stepped protrusions, the lower one of which is inserted in a central bore of a slidable plate mounted on the front plate so that the slidable plate can pivot about the lower protrusion as an axis. The indicator mechanism further comprising a plate spring having an open rectangular configuration for seizing the front plate between its upper and lower plates. The plate spring is also formed with a through bore in its upper plate for receiving the upper protrusion of the front plate. The front plate is further formed with projections as high as the lower protrusion by which the upper plate of the plate spring is supported.
    • 按钮调谐器中的指示机构,其特征在于,设置有从调谐器壳体的顶端水平延伸的前板。 前板一体形成有两级突起,其下部突出部分插入安装在前板上的可滑动板的中心孔中,使得可滑动板能够围绕下突起作为轴线枢转。 指示器机构还包括具有开放矩形构造的板簧,用于在其上板和下板之间抓住前板。 板簧还在其上板中形成有用于接收前板的上突起的通孔。 前板进一步形成有与支撑板簧的上板的下突起一样高的突起。
    • 12. 发明申请
    • Electromagnetic actuator and camera blade driving device
    • 电磁执行器和相机刀片驱动装置
    • US20060220490A1
    • 2006-10-05
    • US11384513
    • 2006-03-21
    • Nobuaki Watanabe
    • Nobuaki Watanabe
    • H02K1/22H02K37/14H02K37/12
    • G03B9/02G03B9/10H02K26/00
    • An electromagnetic actuator of the present invention includes a rotor that has a cylindrical outer peripheral surface and that is capable of rotating within a predetermined angular range, a magnetizing coil, and a yoke that has an arcuate surface facing the outer peripheral surface, a first magnetic-pole part, and a second magnetic-pole part. The first and second magnetic-pole parts generate mutually different magnetic poles by energizing the coil. The rotor includes a magnetized rotor part that defines the outer peripheral surface of the rotor and that is magnetized to have different magnetic poles in a circumferential direction, a driving pin that is not magnetized so as to rotate together with the magnetized rotor part, and a protrusion part that is protruded in a radial direction from the outer peripheral surface of the rotor and that faces the first magnetic-pole part or the second magnetic-pole part while being magnetized to have the same magnetic pole as the outer peripheral surface of the rotor. According to this structure, the rotor includes the protrusion part that is protruded from the outer peripheral surface of the magnetized rotor part and that is magnetized, in addition to the magnetized rotor part and the driving pin that is not magnetized. Therefore, the surface of the rotor that faces the yoke and that exerts a magnetic action is increased, and hence a desired maintaining force and a driving torque can be obtained.
    • 本发明的电磁致动器包括具有圆筒形外周面并且能够在预定角度范围内旋转的转子,具有面向外周面的弓形表面的磁化线圈和磁轭,第一磁体 极部分和第二磁极部分。 第一和第二磁极部分通过给线圈通电而产生相互不同的磁极。 转子包括限定转子的外周面并被磁化成在圆周方向上具有不同磁极的磁化转子部分,未被磁化以与磁化转子部分一起旋转的驱动销,以及 突出部,其从转子的外周面向半径方向突出并且在被磁化的同时面向第一磁极部或者第二磁极部而具有与转子的外周面相同的磁极 。 根据该结构,除了被磁化的转子部和未被磁化的驱动销之外,转子包括从磁化转子部的外周面突出并被磁化的突出部。 因此,面向轭的转子的表面发生磁力作用,因此可获得期望的保持力和驱动转矩。
    • 15. 发明授权
    • Electromagnetic actuator and camera blade driving device
    • 电磁执行器和相机刀片驱动装置
    • US06733192B2
    • 2004-05-11
    • US10601851
    • 2003-06-24
    • Nobuaki Watanabe
    • Nobuaki Watanabe
    • G03B908
    • H02K3/18G03B9/10G03B9/14G03B11/00H02K1/143H02K26/00
    • An electromagnetic actuator according to the present invention has a rotor magnetized to have a plurality of poles; a base rotatably supporting the rotor; a yoke having a plurality of magnetic pole portions that are formed so as to face an outer peripheral surface of the rotor and that generate different magnetic poles; a magnetizing coil; and a bobbin/presser member which is disposed on an outer periphery of the yoke, around which the coil is wound, and with which a pressing portion for pressing the yoke against the base and for supporting the rotor is formed integrally. A camera blade driving device according to the present invention has a base having an exposure opening; a shutter blade or a diaphragm blade that is rotatably supported by the base; and an electromagnetic actuator including a rotor that is magnetized to have a plurality of poles and that is rotatably supported by the base, a yoke having a plurality of magnetic pole portions that are formed so as to face an outer peripheral surface of the rotor and that generate different magnetic poles, a magnetizing coil, and a bobbin/presser member which is disposed on an outer periphery of the yoke, around which the coil is wound, and with which a pressing portion for pressing the yoke against the base and for supporting the rotor is formed integrally, the electromagnetic actuator driving the shutter blade or the diaphragm blade. Accordingly, the parts count is reduced, and the assembly task is simplified, while cost is lowered.
    • 根据本发明的电磁致动器具有被磁化成具有多个极的转子; 可旋转地支撑转子的基座; 磁轭,具有多个磁极部,其形成为面对所述转子的外周面并产生不同的磁极; 磁化线圈; 以及设置在所述轭的外周上的线圈/压脚构件,所述线圈被卷绕在所述线圈的外周上,并且用于将所述轭压靠在所述基座上并用于支撑所述转子的按压部一体地形成。 根据本发明的照相机刀片驱动装置具有具有曝光开口的基座; 由基座可旋转地支撑的快门叶片或隔膜叶片; 以及电磁致动器,其具有被磁化成具有多个极的并且由所述基座可旋转地支撑的转子,具有形成为面向所述转子的外周面的多个磁极部的磁轭,并且, 产生不同的磁极,磁化线圈和绕线架/压紧构件,该线圈/压紧构件设置在线圈的外周上,线圈缠绕在该外圈上,并且用于将轭压在基座上的按压部分用于支撑 转子一体地形成,电磁致动器驱动快门叶片或光阑叶片。 因此,减少部件数量,并且组装任务被简化,同时成本降低。
    • 18. 发明授权
    • Digital camera and personal digital assistant with the same
    • 数码相机和个人数字助理一样
    • US07911529B2
    • 2011-03-22
    • US11882067
    • 2007-07-30
    • Yusuke EharaNobuaki WatanabeYoshiyuki Ozeki
    • Yusuke EharaNobuaki WatanabeYoshiyuki Ozeki
    • H04N5/235H04N3/16
    • H04N5/2353H04N5/2254H04N5/2257H04N5/353
    • A digital camera includes at least one shutter blade in which opening and closing operations of an exposure aperture are performed using an electromagnetic actuator. The digital camera also includes an image sensor converting light from an object into image information, and an image processing circuit which stores the image information converted by the image sensor in an image memory so that the image information can be fetched and such that the image processing circuit has terminals for connecting the image processing circuit to an estimation display device. Further, the digital camera includes an exposure control circuit including a reference table controlling the amount of light exposure and at least one correction table allowing the amount of light exposure controlled by the reference table to be corrected, and includes a driving circuit driving the electromagnetic actuator according to an output signal of the exposure control circuit.
    • 数码相机包括至少一个快门叶片,其中使用电磁致动器执行曝光孔的打开和关闭操作。 数字照相机还包括将来自物体的光转换为图像信息的图像传感器,以及图像处理电路,其将由图像传感器转换的图像信息存储在图像存储器中,使得可以取出图像信息,并且使得图像处理 电路具有用于将图像处理电路连接到估计显示装置的端子。 此外,数字照相机包括曝光控制电路,其包括控制曝光量的参考表和允许校正由参考表控制的曝光量的至少一个校正表,并且包括驱动电路驱动电磁致动器 根据曝光控制电路的输出信号。
    • 19. 发明申请
    • Blade driving device for use in cameras
    • 用于照相机的刀片驱动装置
    • US20050058444A1
    • 2005-03-17
    • US10940959
    • 2004-09-15
    • Nobuaki WatanabeShigeru YamagishiTohru Eguro
    • Nobuaki WatanabeShigeru YamagishiTohru Eguro
    • G03B9/02G03B9/08G03B9/10G03B9/26
    • G03B9/08
    • A blade driving device for use in cameras of the present invention includes a base plate having an exposure aperture, an ND filter blade that is supported rotatably around a supporting shaft on the base plate and is moved to a position withdrawn from the exposure aperture and a position facing the exposure aperture, and an electromagnetic actuator that drives the ND filter blade. This electromagnetic actuator includes a frame member joined to the base plate, a rotor which has a drive pin for exerting a driving force and rotates within a predetermined angle range with one end of which being supported to the frame member and the other end of which being supported to the base plate, and an exciting coil wound around the frame member and the base plate. Therefore, the structure of the electromagnetic actuator for driving a shutter blade, a diaphragm blade, an ND filter blade or the like can be simplified and reduced in cost, and this makes it possible to reduce the size and thickness of the device.
    • 用于本发明的照相机的刀片驱动装置包括具有曝光孔的基板,ND滤光片,该CCD滤光片可绕着基板上的支撑轴转动并移动到从曝光孔退出的位置, 面向曝光孔的位置以及驱动ND滤光片的电磁致动器。 该电磁致动器包括接合到基板的框架构件,转子具有用于施加驱动力的驱动销并且在预定角度范围内旋转,其一端被支撑在框架构件上,另一端为 支撑在基板上,以及缠绕在框架构件和基板上的励磁线圈。 因此,可以简化和降低用于驱动快门叶片,光圈叶片,ND滤光片等的电磁致动器的结构,并且可以降低装置的尺寸和厚度。
    • 20. 发明授权
    • Blade driving device for cameras
    • 相机刀片驱动装置
    • US08118503B2
    • 2012-02-21
    • US12667127
    • 2008-06-26
    • Tomokazu KiharaNobuaki Watanabe
    • Tomokazu KiharaNobuaki Watanabe
    • G03B9/36
    • G03B9/14G03B9/18H04N5/2254H04N2101/00
    • A base plate is elongate and an opening for a photographing optical path is configured close to one end in its longitudinal direction. A shutter blade is rotatably mounted to the blade-mounting shank of the base plate so that when the opening is fully opened, a part covering the opening is stored in the region of the base plate in the longitudinal direction. Another shutter blade is slidably mounted to the blade-mounting shank of the base plate so that when the opening is fully opened, a part covering the opening is stored in the region of the base plate in its lateral direction. Each of the shutter blades is constructed so that the reciprocating operation is performed by the driving pin of an electromagnetic actuator to open and to close the opening.
    • 基板是细长的,并且用于拍摄光路的开口构造成在其纵向方向上接近一端。 快门叶片可旋转地安装到基板的叶片安装柄上,使得当开口完全打开时,覆盖开口的部分沿纵向方向被存储在基板的区域中。 另一个快门叶片可滑动地安装到基板的叶片安装柄上,使得当开口完全打开时,覆盖开口的部分在其横向方向上被存储在基板的区域中。 每个快门叶片被构造成使得往复操作由电磁致动器的驱动销执行以打开和关闭开口。