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    • 4. 发明授权
    • Overhead projector
    • 难搞的项目
    • US5911490A
    • 1999-06-15
    • US921447
    • 1997-08-29
    • Takatoshi IshikawaSoh Ohzawa
    • Takatoshi IshikawaSoh Ohzawa
    • G03B21/132G03B21/28
    • G02B17/08G02B17/0884G02B19/0028G02B19/0047G03B21/132Y10S353/03
    • An overhead projector provides an unobstructed view of projected images by minimizing the vertical dimension of the projector and provides sufficient brightness of projected images by minimizing the loss of light. The light emitted from a light source housed in the body of the projector is reflected by a first reflection mirror and directed, through a transparent stage on which a transparent original is placed, to a second reflection mirror. Meanwhile, on the transparent stage, the principal ray axis of the light beam forms an angle .theta. with respect to the center axis of the surface of the transparent original. After reaching the second reflection mirror and being reflected thereby, the light is condensed into a projection lens unit, and is projected therefrom onto a screen to form thereon an image of the transparent original.
    • 高架投影仪通过最小化投影仪的垂直尺寸并提供投影图像的无阻碍视图,并通过最小化光的损失来提供足够的投影图像亮度。 从容纳在投影仪主体中的光源发射的光被第一反射镜反射,并通过其上放置透明原稿的透明台指向第二反射镜。 同时,在透明阶段,光束的主光线轴线相对于透明原件的表面的中心轴线形成一个角度θ。 在到达第二反射镜并被其反射之后,光被聚光成投影透镜单元,并从其上突出到屏幕上以在其上形成透明原稿的图像。
    • 5. 发明授权
    • Projecting optical device
    • 投射光学装置
    • US5683161A
    • 1997-11-04
    • US653747
    • 1996-05-23
    • Takatoshi IshikawaSoh OhzawaKatsuhiro Takamoto
    • Takatoshi IshikawaSoh OhzawaKatsuhiro Takamoto
    • G02F1/13G03B21/00G03B21/14
    • G03B21/147G03B21/006
    • A projecting optical device which simultaneously projects one object onto two or more different screens has a first screen, a second screen, a first projecting optical system which projects the object onto the first screen, and a second projecting optical system which projects the object onto the second screen and does not share an optical element with the first projecting optical system. A first base line connecting the center of the object to the center of the image projected on the first screen by the first optical system and a second base line connecting the center of the object to the center of the image projected on the second screen by the second optical system are not parallel to each other.
    • 同时将一个物体投影到两个或更多个不同屏幕上的投影光学装置具有第一屏幕,第二屏幕,将物体投影到第一屏幕上的第一投影光学系统和将物体投影到第二屏幕上的第二投影光学系统 并且不与第一投影光学系统共享光学元件。 第一基线,通过第一光学系统将物体的中心与投影在第一屏幕上的图像的中心连接,第二基线将物体的中心与投影在第二屏幕上的图像的中心连接 第二光学系统彼此不平行。
    • 6. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20100215387A1
    • 2010-08-26
    • US12533217
    • 2009-07-31
    • Takatoshi Ishikawa
    • Takatoshi Ishikawa
    • G03G15/16
    • G03G15/161G03G15/1615G03G15/6591G03G2215/00476
    • An image forming apparatus includes an image carrier, an endless intermediate transfer member having a transport surface and being tensioned to transport a developer image, transferred from the image carrier to the intermediate transfer member, from a first transfer position to a second transfer position, a first transfer member that brings the intermediate transfer member in contact with the image carrier and transfers a developer image present on the image carrier to the intermediate transfer member at the first transfer position, a second transfer member that transfers the developer image to a recording medium at the second transfer position, a position adjusting member that adjusts a position of the transport surface of the intermediate transfer member downstream of the first transfer position, and a controller that controls the position adjusting member responsively to a type of the recoding medium to which the second transfer member transfers the developer image.
    • 图像形成装置包括图像载体,具有传送表面并被张紧以将从图像载体传送到中间转印部件的显影剂图像从第一转印位置传送到第二转印位置的环形中间转印部件, 第一传送构件,其使中间转印构件与图像载体接触,并将存在于图像载体上的显影剂图像转印到第一转印位置处的中间转印构件;第二转印构件,其将显影剂图像转印到记录介质 第二转印位置,调节中间转印部件在第一转印位置下游的输送表面的位置的位置调整部件,以及响应于记录介质的类型来控制位置调整部件的控制器, 传输成员传输开发者图像。
    • 7. 发明申请
    • TRANSFER APPARATUS AND IMAGE FORMING DEVICE
    • 传输装置和图像形成装置
    • US20090208259A1
    • 2009-08-20
    • US12235250
    • 2008-09-22
    • Takatoshi Ishikawa
    • Takatoshi Ishikawa
    • G03G15/16
    • G03G15/1615G03G2215/1623
    • A transfer apparatus includes a transfer belt that conveys a toner image which has been transferred to an outer periphery face thereof; a transfer member that, at a contact portion, causes the toner image to be transferred from the outer periphery face of the transfer belt to a recording medium; an opposing roller that is disposed to oppose the transfer member at an inner periphery side of the transfer belt; an opposing belt that is wound round the opposing roller; and a tension member that is disposed at an upstream side of a conveyance direction of the transfer belt relative to the opposing roller, the opposing belt being wound round the tension member, and the tension member causing the opposing belt to touch against the inner side of the transfer belt at the upstream side relative to the contact portion.
    • 传送装置包括传送已转印到其外周面的调色剂图像的转印带; 转印部件,其在接触部分处使得调色剂图像从转印带的外周面转印到记录介质上; 在转印带的内周侧设置成与转印部件相对的相对辊; 在相对的辊上缠绕的相对的带; 以及张力构件,其设置在所述转印带相对于所述相对辊的输送方向的上游侧,所述相对的带缠绕在所述张力构件上,并且所述张力构件使所述相对的带接触到 转印带在相对于接触部分的上游侧。