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    • 1. 发明申请
    • 一种大LCD微移的数码曝光装置
    • WO2007065313A1
    • 2007-06-14
    • PCT/CN2005/002408
    • 2005-12-30
    • 上海多丽影像设备有限公司吴生
    • 吴生
    • G03B27/36G03B27/52G03B27/72G03G5/00
    • G03B27/54G03B27/527G03B27/58
    • A large LCD micro-motion digital exposure device comprises a upper board and a middle board of a frame, a large LCD exposure device, a shaft of a rotary disk, a rotary disk for a camera lens, a camera lens, a motor, a large LCD and a light mixture device. The large LCD exposure device is provided on the upper board, and the shaft of the rotary disk is mounted on the middle board, one end of which the shaft is connected to the rotary disk for the camera lens. More than two lenses which have different sizes are mounted on the rotary disk for the camera lens, and the rotary disk for the camera lens is rotated by the motor to change switch different lenses. The large LCD exposure device is mainly comprised of a LED lamp, a base, a micro-motion plate and the light mixture device. The LED lamp is provided on a bracket for the LED lamp. The micro-motion plate is mounted into inside the base, and thea lower end thereofof which is connected to the light mixture device. A lower end of the light mixture device is provided with the large LCD. An output shaft of the motor is provided with a micro-motion lever. The motor rotates, so that thereby driving the micro-motion plate, the light mixture device and the large LCD micro-moveable leftward and rightward.
    • 5. 发明专利
    • OPTICAL SYSTEM FOR COPYING MACHINE
    • JPS63195642A
    • 1988-08-12
    • JP2735787
    • 1987-02-10
    • FUJI PHOTO OPTICAL CO LTD
    • KIMURA SHUZO
    • G02B7/04G03B27/36G03G15/00
    • PURPOSE:To smoothly move a lens carriage by providing a lens carriage with a pressing part which abuts on the rear surface of a rack, clamping the rack by a pinion, and placing the rack and pinion in a constant meshing state. CONSTITUTION:The rack 4 is supported at one point so that its movement is controlled in the formation direction of its tooth part and fine movement is allowed at right angles to the formation direction; and the rack thickness size between the tooth part and rack rear surface is made accurate. Then the lens carriage 1 is provided with the pressing wall part 1d which abuts on the rear surface of the rack 4 and the rack 4 is clamped while the gap between the pressing wall part 1d and pinion 8 is made wider than the thickness size of the rack 4 by the best play quantity of the gear, thereby placing the rack 4 and pinion 8 in the constant meshing state. Consequently, the meshing state between the rack and pinion is held excellent and the lens carriage is moved smoothly.
    • 7. 发明专利
    • VARIABLE POWER DEVICE FOR COPYING MAGNIFICATION OF COPYING MACHINE
    • JPS60114843A
    • 1985-06-21
    • JP22144083
    • 1983-11-26
    • FUJI XEROX CO LTD
    • WATABE SUSUMU
    • G03B27/34G03B27/36G03G15/041
    • PURPOSE:To simplify the constitution of the titled device and to reduce the production cost by setting up a position in the optical axis direction of a lens in accordance with its copying magnification. CONSTITUTION:When a motor 29 is rotated in the counterclockwise direction and a lens mount 24 is moved in the right to execute contracted copying, a winding pulley 30 is moved in the right together with the lens mount 24 and a cam follower arm 31 is contacted with a cam 36 and oscillated. The 1st mirror 9 is moved in the left on the basis of the sum of the drawn length of a wire 34 due to the movement of the winding pulley 30 and the winding length M of the wire 34 due to the rotation of the winding pulley united with an arm 31 and the lens 11 and the 1st mirror 9 are driven to a position corresponding to the copying magnification. Namely, when the lens mount 24 is moved by (1-m)f through the rotation of the motor 29 so as to correspond to the copying magnification, the 1st mirror 9 is moved to the position corresponding to the copying magnification (m) by following the movement of the lens mount 24, so that copying can be attained at a required copying magnification (m).