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    • 2. 发明授权
    • Printing device employing semiconductor laser and
semiconductor-laser-pumped solid-state laser
    • 采用半导体激光和半导体激光泵浦固体激光器的印刷装置
    • US5166703A
    • 1992-11-24
    • US666144
    • 1991-03-07
    • Mitsuyoshi WatanabeMakoto Suzuki
    • Mitsuyoshi WatanabeMakoto Suzuki
    • B41J2/525B41J2/00B41J2/44G03B27/32G06K15/12H04N1/036H04N1/50
    • G06K15/129G06K15/1295H04N1/502
    • A printing device employs a semiconductor laser source for producing a laser beam, and a semiconductor-laser-pumped solid-state laser. The solid-state laser includes an optical resonator, such as a nonlinear optical element for effecting wavelength conversion, and a solid-state laser material disposed therein. The solid-state laser material is optically pumped by the laser beam from the semiconductor laser source and produces a laser beam to be applied onto a photosensitive sheet of paper. Responsive to print data, the intensity of the laser beam from the semiconductor laser source is varied between a first intensity level and a second intensity level. The photosensitive sheet of paper is insensitive to the laser beam when the laser beam from the semiconductor laser source is at the first intensity level, whereas it is sensitive to the laser beam when the laser beam from the semiconductor laser source is at the second intensity level.
    • 印刷装置采用用于制造激光束的半导体激光源和半导体激光泵浦固态激光器。 固态激光器包括光谐振器,例如用于实现波长转换的非线性光学元件和设置在其中的固态激光材料。 固体激光材料通过来自半导体激光源的激光光学泵浦,并产生施加到感光纸上的激光束。 响应于打印数据,来自半导体激光源的激光束的强度在第一强度水平和第二强度水平之间变化。 当来自半导体激光源的激光束处于第一强度水平时,感光纸对激光束不敏感,而当来自半导体激光源的激光束处于第二强度水平时,感光片对激光束敏感 。
    • 7. 发明授权
    • Image display device using variable-focus lens at conjugate image plane
    • 在共轭图像平面上使用可变焦距透镜的图像显示装置
    • US08262234B2
    • 2012-09-11
    • US12844094
    • 2010-07-27
    • Mitsuyoshi Watanabe
    • Mitsuyoshi Watanabe
    • G03B21/14G02B23/24
    • G02B15/00G02B3/12G02B27/017G02B27/0172G02B2027/0127
    • An image display device for optically displaying an image is disclosed. This device includes: a light source; an imaging-light generator converting light emitted from the light source, into imaging light representative of the image to be displayed, to thereby generate the imaging light; a relay optical system focusing the imaging light emitted from the imaging-light generator, on an image plane which is located at an optically conjugate position to the imaging-light generator, the relay optical system defining a pupil through which the imaging light passes, within the relay optical system; a variable-focus lens disposed at a position generally coincident with the pupil, the variable-focus lens having a varying focal length; and a wavefront-curvature adjuster configured to vary the focal length by operating the variable-focus lens, to thereby adjust a wavefront curvature of the imaging light emitted from the relay optical system.
    • 公开了一种用于光学显示图像的图像显示装置。 该装置包括:光源; 将从光源发射的光转换成成为要显示的图像的成像光的成像光发生器,从而生成成像光; 将从成像光发生器发射的成像光聚焦到位于与成像光发生器的光学共轭位置的图像平面上的中继光学系统,所述中继光学系统限定成像光通过的光瞳, 中继光学系统; 可变焦距透镜,其设置在与瞳孔大致重合的位置,所述可变焦距透镜具有变化的焦距; 以及波前曲率调节器,被配置为通过操作可变焦距透镜来改变焦距,从而调整从中继光学系统发射的成像光的波前曲率。
    • 10. 发明申请
    • Optical scanner and image forming apparatus having the same
    • 光学扫描器和具有该光学扫描仪的图像形成装置
    • US20060226226A1
    • 2006-10-12
    • US11441236
    • 2006-05-26
    • Nobuaki AsaiMitsuyoshi Watanabe
    • Nobuaki AsaiMitsuyoshi Watanabe
    • G06K7/10G06K7/14
    • G02B27/017G02B26/101G02B2027/0156
    • An optical scanner is disclosed which includes: a first scanning device having a first mirror portion in which a first reflective surface is formed, the first scanning device scanning in a first direction, light which impinges obliquely on the first reflective surface, by oscillatory rotation of the first mirror portion about a first oscillation axis; and a second scanning device having a second mirror portion in which a second reflective surface is formed so as to be generally in parallel to the first reflective surface in a non-active state of the optical scanner, the second scanning device scanning in a second direction intersecting with respect to the first direction, the light exiting the first reflective surface and then entering obliquely the second reflective surface, by oscillatory rotation of the second mirror portion about a second oscillation axis intersecting with respect to the first oscillation axis. The first oscillation axis is oriented substantially parallel to a direction in which the light enters the first reflective surface, when the optical scanner is viewed in a direction perpendicular to the first and second reflective surfaces.
    • 公开了一种光学扫描仪,其包括:第一扫描装置,具有第一反射镜部分,第一反射部分形成有第一反射表面,第一扫描装置沿第一方向扫描,倾斜地照射在第一反射表面上的光,通过振荡旋转 关于第一振荡轴的第一镜部分; 以及具有第二反射镜部分的第二扫描装置,其中形成第二反射表面以在所述光学扫描器的非活动状态下大致平行于所述第一反射表面,所述第二扫描装置沿第二方向扫描 通过第二反射镜部分围绕与第一振荡轴相交的第二振荡轴的振荡旋转,离开第一反射表面然后倾斜地进入第二反射表面的光相交于第一方向。 当沿垂直于第一和第二反射表面的方向观察光学扫描器时,第一振荡轴线基本上平行于光进入第一反射表面的方向。