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    • 2. 发明授权
    • Optical scanner and image forming apparatus
    • 光学扫描仪和图像形成装置
    • US08373916B2
    • 2013-02-12
    • US12722980
    • 2010-03-12
    • Mitsumi FujiiTetsurou SaitohEiji MochizukiKohki Sasaki
    • Mitsumi FujiiTetsurou SaitohEiji MochizukiKohki Sasaki
    • G02B26/08
    • G02B26/0858G02B26/105
    • An optical scanner, including a frame member; a pair of connection members near a coupling end with the frame member; a pair of elastic members connected with the frame member by the connection members; a mirror substrate supported by the pair of elastic members, the mirror substrate having a bending rigidity outward from the rotational axis for each area in accordance with a bending moment caused by oscillation, the mirror substrate having a slit at both connection ends with the pair of elastic members; and a piezoelectric element provided on each of the connection members, the piezoelectric element generating a torque for driving the mirror substrate oscillatable back and forth around the pair of elastic members as a torsion rotational axis.
    • 一种光学扫描器,包括框架构件; 在与所述框架构件的联接端附近的一对连接构件; 一对弹性构件,通过连接构件与框架构件连接; 由所述一对弹性构件支撑的镜面基板,所述反射镜基板根据由振动引起的弯曲力矩从所述旋转轴向外侧具有弯曲刚度,所述镜面基板在两个连接端具有所述一对狭缝 弹性构件; 以及设置在每个连接构件上的压电元件,所述压电元件产生用于驱动所述反射镜基板的扭矩,所述扭矩可围绕所述一对弹性构件来回摆动,作为扭转旋转轴线。
    • 3. 发明申请
    • OPTICAL SCANNER AND IMAGE FORMING APPARATUS
    • 光学扫描仪和图像形成装置
    • US20100232833A1
    • 2010-09-16
    • US12722980
    • 2010-03-12
    • Mitsumi FujiiTetsurou SaitohEiji MochizukiKohki Sasaki
    • Mitsumi FujiiTetsurou SaitohEiji MochizukiKohki Sasaki
    • G03G15/22G02B26/08
    • G02B26/0858G02B26/105
    • An optical scanner, including a frame member; a pair of connection members near a coupling end with the frame member; a pair of elastic members connected with the frame member by the connection members; a mirror substrate supported by the pair of elastic members, the mirror substrate having a bending rigidity outward from the rotational axis for each area in accordance with a bending moment caused by oscillation, the mirror substrate having a slit at both connection ends with the pair of elastic members; and a piezoelectric element provided on each of the connection members, the piezoelectric element generating a torque for driving the mirror substrate oscillatable back and forth around the pair of elastic members as a torsion rotational axis.
    • 一种光学扫描器,包括框架构件; 在与所述框架构件的联接端附近的一对连接构件; 一对弹性构件,通过连接构件与框架构件连接; 由所述一对弹性构件支撑的镜面基板,所述反射镜基板根据由振动引起的弯曲力矩从所述旋转轴向外侧具有弯曲刚度,所述镜面基板在两个连接端具有所述一对狭缝 弹性构件; 以及设置在每个连接构件上的压电元件,所述压电元件产生用于驱动所述反射镜基板的扭矩,所述扭矩可围绕所述一对弹性构件来回摆动,作为扭转旋转轴线。
    • 9. 发明授权
    • Optical scanning device and image forming apparatus
    • 光学扫描装置和图像形成装置
    • US08154784B2
    • 2012-04-10
    • US12671152
    • 2008-09-05
    • Kohki Sasaki
    • Kohki Sasaki
    • G02B26/08
    • B41J2/471G02B26/105G02B26/127H04N1/053H04N1/1135H04N1/12H04N2201/0082H04N2201/0468H04N2201/0471H04N2201/04729H04N2201/04732H04N2201/04744H04N2201/04755H04N2201/04786H04N2201/04789
    • A disclosed optical scanning device includes a light beam generating unit configured to generate a light beam; a light beam deflecting unit configured to receive the light beam and deflect/emit the light beam with a deflecting mirror; a light beam ON/OFF control unit configured to control the light beam generating unit so that the light beam deflected by the light beam deflecting unit is turned ON/OFF in a particular light beam scanning region while the light beam is being reciprocally scanned; and a light beam scanning time measuring unit configured to obtain a measurement value by measuring a time at which the light beam passes a reference point provided on an edge part of the entire light beam scanning region that is away from a center part of the entire light beam scanning region. Timings at which the light beam is turned ON/OFF are controlled in accordance with the measurement value.
    • 所公开的光学扫描装置包括被配置为产生光束的光束产生单元; 光束偏转单元,被配置为接收光束并用偏转镜偏转/发射光束; 光束ON / OFF控制单元,被配置为控制光束产生单元,使得由光束偏转单元偏转的光束在光束被往复扫描的同时在特定光束扫描区域中导通/截止; 以及光束扫描时间测量单元,被配置为通过测量光束通过设置在远离整个光的中心部分的整个光束扫描区域的边缘部分上的参考点的时间来获得测量值 光束扫描区域。 根据测量值控制光束接通/断开的时序。