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    • 1. 发明授权
    • Optical scanning apparatus
    • 光学扫描装置
    • US5831749A
    • 1998-11-03
    • US755884
    • 1996-12-02
    • Kou-Lung TsengWei-Hsin HwangShih-Min LoChien-Chin Chan
    • Kou-Lung TsengWei-Hsin HwangShih-Min LoChien-Chin Chan
    • H04N1/10H04N1/193H04N1/04
    • H04N1/1026H04N1/1013H04N1/1056H04N1/193
    • An optical scanning apparatus including a first optical unit and a second optical unit used to illuminate a document and direct the reflected light via a lens unit to the light sensing device; a movement mechanism used to move the first and second optical units in such a way that the optical path from the light source to the lens unit is always a fixed length. The movement mechanism includes a first driving unit having a first driving wheel, a first passive wheel, and a first transmission member coupling the first driving and passive wheels and affixed to the first optical unit; a second driving unit having a second driving wheel, a second passive wheel, and a second transmission member coupling the second driving and passive wheels and affixed to the second optical unit; and a driving motor. The diameter of the first driving wheel is of a predetermined multiple of that of the second driving wheel such that the optical path from the light source to the lens unit is always a fixed length.
    • 一种光学扫描装置,包括:第一光学单元和第二光学单元,用于照射文件并将经由透镜单元的反射光引导到光感测装置; 用于使第一和第二光学单元移动的运动机构使得从光源到透镜单元的光路总是固定的长度。 移动机构包括具有第一驱动轮,第一被动轮和联接第一驱动轮和被动轮并固定到第一光学单元的第一传动构件的第一驱动单元; 第二驱动单元,具有第二驱动轮,第二被动轮和联接第二驱动轮和被动轮并固定到第二光学单元的第二传动部件; 和驱动电机。 第一驱动轮的直径为第二驱动轮的直径的预定倍数,使得从光源到透镜单元的光路总是固定的长度。
    • 3. 发明授权
    • Aperture switching device
    • 孔径切换装置
    • US5946515A
    • 1999-08-31
    • US131036
    • 1998-08-07
    • Chien-Chin ChanGuang-Shang ChangJim PengKou-Lung Tseng
    • Chien-Chin ChanGuang-Shang ChangJim PengKou-Lung Tseng
    • G03B9/02
    • G03B9/02
    • An aperture switching device to be incorporated in a digital cameral for moving an aperture plate having an aperture formed thereon with respect to a lens between a shutting position where the lens is partially covered by the aperture plate with the aperture aligned with the lens and an open position where the lens is not covered by the aperture plate, includes a slide block formed on the aperture plate, a guide member mounted to the lens and having a guide channel to slidably receive the slide block therein. A driving device has an output rod movable along an arc path and mechanically coupled to the aperture plate to reciprocate the slide block along the guide channel so as to move the aperture plate between the shutting position and the open position. The mechanical coupling between the driving device and the aperture plate may include a pinion rotated by the driving device and engaged by a rack provided on the aperture plate. Alternatively, the mechanical coupling may include a transverse channel formed on the aperture plate to receive the output rod of the driving device therein. The transverse channel extends in a direction substantially normal to the movement of the aperture plate so as to convert the arcuated movement of the rod into linear motion of the aperture plate.
    • 一种光圈切换装置,其被并入数字摄像机中,用于移动光圈板,孔径相对于透镜形成在其上,该透镜在透镜被孔板部分地覆盖的关闭位置和与透镜对准的孔之间形成, 透镜未被孔板覆盖的位置包括形成在孔板上的滑动块,安装到透镜上并具有可滑动地容纳滑块的引导通道的引导构件。 驱动装置具有可沿着弧形路径移动并机械地联接到孔板的输出杆,以沿滑动通道往复运动滑块,以使孔板在关闭位置和打开位置之间移动。 驱动装置和孔板之间的机械联接可以包括由驱动装置旋转并由设置在孔板上的齿条接合的小齿轮。 或者,机械联接可以包括形成在孔板上的横向通道,以在其中接收驱动装置的输出杆。 横向通道在基本上垂直于孔板的运动的方向上延伸,以便将杆的弧形运动转换成孔板的线性运动。
    • 6. 发明授权
    • Hidden viewfinder for camera
    • 相机隐藏取景器
    • US06302597B1
    • 2001-10-16
    • US09461348
    • 1999-12-15
    • Guang-Shang ChangChien-Chin ChanChien-Ming Peng
    • Guang-Shang ChangChien-Chin ChanChien-Ming Peng
    • G03B1302
    • G03B13/02
    • A hidden viewfinder for camera includes a camera body having a pair of spaced channel slots, a plurality of lens frames each having a bottom end pivotally hinged on the camera body between the channel slots and a reversed U-shaped tunnel type outer frame having a top wall and two side walls engageable with the channel slots. There is a torsional spring engaged with the bottom end of each lens frame. When the outer frame is pressed down and held in the channel slots, the top wall will press the lens frames to turn about the bottom ends for the lens frames laying horizontally on the camera body to form a compact size camera. When in use, the outer frame is raised above the camera body, the torsional springs will raise the lens frames upright to form the viewfinder in the outer frame. Circuit boards and control elements may be placed in the camera body between the channel slots for the camera because compact size but rich in function.
    • 用于相机的隐藏取景器包括具有一对间隔开的通道狭槽的相机主体,多个透镜框架,每个透镜框架具有在通道槽之间枢转地铰接在相机主体上的底端和具有顶部的反向U形隧道式外框架 壁和两个侧壁可与通道槽接合。 有一个与每个镜架的底端接合的扭转弹簧。 当外框被按下并保持在通道槽中时,顶壁将按压透镜框绕着底端转动用于水平放置在相机主体上的透镜框以形成紧凑尺寸的相机。 当使用时,外框架升高到相机主体上方,扭力弹簧将使镜架垂直升高,以在外框架中形成取景器。 电路板和控制元件可以放置在照相机主体之间的相机的通道槽之间,因为尺寸紧凑,功能丰富。
    • 7. 发明授权
    • Multi-blade lens-aperture control mechanism
    • 多刀片镜头孔径控制机构
    • US6161966A
    • 2000-12-19
    • US340733
    • 1999-06-29
    • Guang-Shang ChangJian-Ming PengChien-Chin Chan
    • Guang-Shang ChangJian-Ming PengChien-Chin Chan
    • G03B9/02G02B9/00
    • G03B9/02
    • A lens-aperture control mechanism is provided for use in a lens unit to control the aperture of the lens unit. The lens-aperture control mechanism includes a plurality of blades, each being movable radially inward into the lens barrel and outward from the lens barrel; a rotatable ring coupled to the blades, capable of urging the blades to move radially inward into the lens barrel when being turned in a first direction and outward from the lens barrel when being turned in a second direction; and a power driver for driving the rotatable ring to turn in a specified direction by a specified angular displacement so as to move the blades to a specific radial position to define a specific aperture for the lens unit. The inner end of each of the blades is formed in a concave shape or a curved haft-cutaway portion. When combined, the inner ends of the blades can define a near-circular aperture for the lens unit. This lens-aperture control mechanism can variably control the lens aperture to the desired value and can provide a near-circular aperture for the lens. Moreover, the lens-aperture control mechanism, being simple in mechanical construction, is easy to assemble and thus low in manufacture cost.
    • 透镜孔径控制机构用于透镜单元以控制透镜单元的孔径。 透镜孔径控制机构包括多个叶片,每个叶片可径向向内移动到透镜筒中并从透镜筒向外移动; 耦合到所述叶片的可旋转环,当沿第二方向转动时,当沿着第一方向转动并且从所述透镜镜筒向外转动时,能够促使所述叶片径向向内移动到所述镜筒中; 以及用于驱动可旋转环的功率驱动器,以在指定方向上转动指定的角位移,以便将叶片移动到特定径向位置,以限定用于透镜单元的特定孔径。 每个叶片的内端形成为凹形或弯曲的切开的部分。 当组合时,叶片的内端可以限定用于透镜单元的近圆形孔。 该透镜孔径控制机构可以将透镜孔径可变地控制到期望值,并且可以为透镜提供近圆形孔。 此外,机械结构简单的透镜孔径控制机构易于组装,因此制造成本低。
    • 9. 发明授权
    • Lens movement mechanism for digital camera
    • 数码相机镜头移动机构
    • US5930544A
    • 1999-07-27
    • US63548
    • 1998-04-20
    • Kou-Long TsengChien-Chin ChanGuang-Shang ChangChin-Shui LinChih-Wen PanChi-Wen Lin
    • Kou-Long TsengChien-Chin ChanGuang-Shang ChangChin-Shui LinChih-Wen PanChi-Wen Lin
    • H04N5/225G03B17/12
    • H04N5/2259
    • A lens movement mechanism for digital camera includes a lens set which has a composite lens and a Charged Couple Device built therein, a first movement member for turning the lens set angularly left or right, and a second movement member for turning the lens set angularly up or down. The first movement member includes a bracket piovtly holding the lens set and a gear set for turning the bracket and the lens set left or right angularly. The second movement member includes a slant block with a slope surface contact with a rear end of the lens set so that when the slant block is moved transversely, the lens set will be tilted up or down angularly. Therefore the lens set may be turned left or right, up or down smoothly and precisely without a user's hand moving the lens set directly. The lens may be prevented from hand smearing. Higher photo quality may be achieved.
    • 一种用于数码相机的透镜移动机构包括:一个透镜组,其具有复合透镜和内置的电荷耦合器件;第一移动元件,用于使透镜设置成角度左或右;以及第二移动元件,用于将透镜设置成角度地向上 或下来。 第一移动构件包括保持透镜组的支架和用于将支架和透镜组左右旋转的齿轮组。 第二移动构件包括具有与透镜组的后端接触的斜面的倾斜块,使得当倾斜块横向移动时,透镜组将向上或向下倾斜地倾斜。 因此,透镜组可以平滑而精确地向左或向右转动,而不用用户的手直接移动透镜组。 可以防止镜片手指涂抹。 可以实现更高的照片质量。
    • 10. 发明授权
    • Opto-mechanical apparatus for moving and scanning in an optical system
    • 用于在光学系统中移动和扫描的光机械装置
    • US5737135A
    • 1998-04-07
    • US769066
    • 1996-12-18
    • Chien-Chin Chan
    • Chien-Chin Chan
    • G02B7/02H04N1/10H04N1/193
    • H04N1/1021G02B7/02H04N1/1013H04N1/1056H04N1/193
    • An opto-mechanical apparatus for moving and scanning in an optical system comprises a step motor, a timing belt, a first lead screw carrying a first optical assembly, and a second lead screw carrying a second optical assembly. Each of the lead screws has a spiral thread forming a lead path. The lead path of the second lead screw is twice as long as the lead path of the first lead screw. Each lead screw has a gear fastened to its one end. The timing belt connects the rotation axis of the step motor and the two gears on the lead screws. When the step motor rotates, the two gears are driven by the timing belt. The two lead screws are also rotated by the gears. The first optical assembly moves twice as fast as the second optical assembly because the two gears have identical radii but the second lead path is twice long. The different distances traveled by the two optical assemblies ensure that the optical system has a constant optical resolution while scanning.
    • 用于在光学系统中移动和扫描的光机械装置包括步进电机,同步带,承载第一光学组件的第一导螺杆和承载第二光学组件的第二导螺杆。 每个导螺杆具有形成引导路径的螺旋形螺纹。 第二导螺杆的引导路径是第一导螺杆的引导路径的两倍长。 每个导螺杆都有固定在其一端的齿轮。 同步带将步进电机的旋转轴和导螺杆上的两个齿轮相连。 当步进电机旋转时,两个齿轮由同步皮带驱动。 两个导螺杆也被齿轮旋转。 第一光学组件的运动速度是第二光学组件的两倍,因为两个齿轮具有相同的半径,但是第二引导路径是两倍的长度。 由两个光学组件行进的不同距离确保了光学系统在扫描时具有恒定的光学分辨率。