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    • 7. 发明授权
    • Camera having a spring loaded mechanism for driving a light-shielding door member
    • 相机具有用于驱动遮光门构件的弹簧加载机构
    • US06435739B1
    • 2002-08-20
    • US09588466
    • 2000-06-06
    • Yasuhiko Tanaka
    • Yasuhiko Tanaka
    • G03B1700
    • G03B17/02
    • There is disclosed a camera with a cover sliding between a cartridge exchange position and a work position for permitting photography. A cam plate having a driving rack is mounted securely on inside the sliding cover. A coupling gear is mounted in a camera body with its teeth protruded out of the camera body. The driving rack is engaged with the teeth of the coupling gear only while the sliding cover moves between the work position and the cartridge exchange position, so the coupling gear is rotated as the sliding cover moves between the work position and the cartridge exchange position. The rotational movement of the coupling gear is transmitted to a pinion through a rack plate. The pinion is formed integrally with a door drive shaft. The door drive shaft is engaged with a door member of a loaded photo film cartridge, for rotating the door member to close or open a film port of the cartridge. The pinion is urged by a spring that functions as a toggle spring. The spring urges the pinion in a direction to close the door member after the pinion rotates halfway in the closing direction, or alternatively in a direction to open the door member after the pinion rotates halfway in the opening direction.
    • 公开了一种相机,其具有在盒更换位置和用于允许拍摄的作业位置之间滑动的盖。 具有驱动齿条的凸轮板牢固地安装在滑盖上。 耦合齿轮安装在相机主体中,其齿从相机机身突出。 只有当滑动盖在工作位置和盒更换位置之间移动时,驱动架与联接齿轮的齿啮合,因此当滑动盖在工作位置和盒更换位置之间移动时,联接齿轮旋转。 联接齿轮的旋转运动通过齿条板传递到小齿轮。 小齿轮与门驱动轴一体形成。 门驱动轴与装载的摄影胶片暗盒的门构件接合,用于旋转门构件以关闭或打开盒的胶片端口。 小齿轮被用作肘节弹簧的弹簧推动。 在小齿轮沿关闭方向转动一半的方向上,或者在小齿轮沿打开方向中途转动的方向上打开门构件的方向,弹簧沿着小程序关闭门构件的方向推动小齿轮。
    • 8. 发明授权
    • Flexible circuit board
    • 柔性电路板
    • US06356717B2
    • 2002-03-12
    • US09793777
    • 2001-02-27
    • Yasuhiko TanakaMinoru IshiguroYukio Okazaki
    • Yasuhiko TanakaMinoru IshiguroYukio Okazaki
    • G03B1700
    • H05K1/189G03B17/02H05K1/0218
    • A flexible circuit board has a magnetic head interface IC soldered on a tongue-shaped portion, which is folded such that the magnetic head interface IC is put inside. A front and a rear side of the magnetic head interface IC is covered with shield patterns. After exposure, the magnetic head interface IC drives the magnetic head to record some information of photography to a recording area in a photo film. When an film cartridge is loaded, the information in the recording area is read out for finding an unexposed frame. In recording and reading, the shield patterns absorb magnetic waves generated nearby the magnetic head interface IC, so that recording and reading signals are not interfered.
    • 柔性电路板具有焊接在舌形部分上的磁头接口IC,该磁头接口IC被折叠,使得磁头接口IC放在其内部。 磁头接口IC的前侧和后侧用屏蔽图案覆盖。 曝光后,磁头接口IC驱动磁头将摄影的一些信息记录到摄影胶片中的记录区域。 当装入胶片暗盒时,读出记录区域中的信息以发现未曝光的帧。 在记录和读取中,屏蔽图案吸收磁头接口IC附近产生的磁波,使得记录和读取信号不受干扰。
    • 9. 发明授权
    • Finder visual field changing mechanism
    • Finder视野改变机制
    • US5930539A
    • 1999-07-27
    • US47531
    • 1998-03-25
    • Yasuhiko Tanaka
    • Yasuhiko Tanaka
    • G03B13/12G03B13/10
    • G03B13/12
    • A movable visual field frame (a CP visual field frame) is arranged behind an H visual field frame, which determines a visual field corresponding to a high-vision (H) angle of view. The CP visual field frame comprises a pair of substantially L-shaped movable visual field frame pieces, which are arranged in such a manner as to face each other. First and second driving members are provided in such a manner as to rotate about a finder optical axis, and they drive the pair of the movable visual field frame pieces. A driving shaft is rotated in association with a switching control, and the first and second driving members are rotated by the driving shaft on different rotational ratios with driving gears. The second driving member rotates by a larger rotational angle than the first driving member, and regulates the positions of the movable visual field frame pieces so that upper and lower sides of the CP visual field frame can be horizontal.
    • 可移动视野框架(CP视野框架)布置在H视野框架后面,其确定对应于高视角(H)视角的视野。 CP视野框架包括一对基本上L形的可移动视野框架件,它们以彼此面对的方式布置。 第一和第二驱动构件以围绕取景器光轴旋转的方式设置,并且它们驱动该对可移动视野框架件。 驱动轴与切换控制相关联地旋转,并且第一和第二驱动构件由驱动轴以与驱动齿轮不同的旋转比旋转。 第二驱动构件旋转比第一驱动构件更大的旋转角度,并且调节可移动视野框架件的位置,使得CP视野框架的上侧和下侧可以是水平的。
    • 10. 发明授权
    • Optical instrument with movable lens barrel
    • 光学仪器带可移动镜筒
    • US5721645A
    • 1998-02-24
    • US812787
    • 1997-03-06
    • Hiroyuki IwasakiYasuhiko Tanaka
    • Hiroyuki IwasakiYasuhiko Tanaka
    • G02B7/02G02B7/10G03B5/00G02B15/14
    • G02B7/102
    • A zoom camera has at least a rear movable lens barrel movable on an optical axis forwards and rearwards. The rear movable barrel is moved from a collapsed position forwards. Front and rear lens groups are disposed in the rear movable barrel. A lens holder is supported inside the rear movable barrel in a movable manner on the optical axis forwards and rearwards, and supports the rear lens group. Three cam pins and three cam grooves move the lens holder relative to the rear movable barrel. An extension coil spring causes force of pulling the lens holder, biases the lens holder rearwards, and absorbs backlash between the three cam pins and three cam grooves. A combination of a spring plate and an inner wall of the body the extension coil spring when the rear movable barrel is in the collapsed position, to disable the pulling force from occurring. The extension coil spring is extended to enable the pulling force to occur when the rear movable barrel is in front of the collapsed position.
    • 变焦摄像机具有至少一个在光轴上可前后移动的后可移动镜筒。 后可移动筒从折叠位置向前移动。 前后透镜组设置在后可移动镜筒中。 透镜支架以可移动的方式被支撑在后可动镜筒的内部的前后方向上,并支撑后透镜组。 三个凸轮销和三个凸轮槽相对于后可动筒移动透镜架。 延伸螺旋弹簧引起拉动透镜架的力,向后偏置透镜架,并吸收三个凸轮销和三个凸轮槽之间的间隙。 弹簧板和本体的内壁的组合,当后部可动筒处于折叠位置时,延伸螺旋弹簧的组合,以防止发生拉力。 延伸螺旋弹簧被延伸以使得当后可移动筒处于折叠位置的前方时能够产生拉力。