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    • 15. 发明申请
    • Projection lens unit
    • 投影镜头单元
    • US20070058239A1
    • 2007-03-15
    • US11519020
    • 2006-09-12
    • Yasuhiro SekineTakeki Nakada
    • Yasuhiro SekineTakeki Nakada
    • G02B26/00
    • G02B26/0833G02B7/02H04N5/7458
    • The setting distance between a DMD element and a projection lens is maintained accurately to display a high-quality image on a screen or the like. A projection lens unit is one in which light from a light source lamp side is reflected on the DMD element as image light and is subsequently projected at a projection lens. The projection lens unit includes a coupling tool that fixes the DMD element and the projection lens integrally in a state where the distance therebetween is accurately supported to a set value. The coupling tool has a color wheel fitting portion positioning and supporting a color wheel, a relay lens fitting portion positioning and supporting a relay lens, a reflection mirror fitting portion positioning and supporting a reflection mirror, a DMD element mounting portion in which the DMD element is mounted and supported, and a projection lens portion in which the projection lens is mounted and supported.
    • DMD元件与投影透镜之间的设置距离保持精确,以在屏幕等上显示高质量的图像。 投影透镜单元是其中来自光源灯侧的光作为图像光在DMD元件上反射并随后投影在投影透镜的单元。 投影透镜单元包括将DMD元件和投影透镜在其间的距离精确地支撑到设定值的状态下一体地固定的联接工具。 耦合工具具有定位和支撑色轮的色轮配件部分,定位和支撑中继透镜的中继透镜配件部分,定位和支撑反射镜的反射镜配合部分,DMD元件安装部分,其中DMD元件 被安装和支撑的投影透镜部分和安装和支撑投影透镜的投影透镜部分。
    • 17. 发明授权
    • Lens apparatus for projection
    • 投影镜头设备
    • US06798584B2
    • 2004-09-28
    • US10327904
    • 2002-12-26
    • Susumu MatsumotoKumajiro SekineYasuhiro SekineYasaburou Ootaka
    • Susumu MatsumotoKumajiro SekineYasuhiro SekineYasaburou Ootaka
    • G02B900
    • G02B13/00
    • A lens apparatus for projection includes a plurality of lenses on an optical axis. A shading plate 11 for covering the peripheral portion of the lens to block off light entering the peripheral portion is provided as a single member on the optical axis with the lenses to omit an inking process. In addition, the shading plate 11 is integrally provided with a contrast compensating plate 13 for compensating a projected image, so that it is not required to provide any portions for supporting the contrast compensating plate 13. Moreover, a shading wall 23 for blocking off light leaking out of the peripheral portion of the lens is provided on the peripheral portion of the shading plate 11. Thus, it is possible to provide a lens apparatus for projection, which has a simple structure and which can be easily assembled to reduce the producing costs.
    • 用于投影的透镜装置包括在光轴上的多个透镜。 在透镜上设置用于覆盖透镜的周边部分以阻挡进入周边部分的光的遮光板11作为光轴上的单个部件,以省略墨迹处理。 此外,遮光板11一体地设置有用于补偿投影图像的对比度补偿板13,从而不需要提供用于支撑对比度补偿板13的任何部分。此外,遮光壁23用于遮挡光 在遮光板11的周边部分上设置有从透镜的周边部分漏出的透镜装置。因此,可以提供一种结构简单且易于组装以便降低生产成本的投影透镜装置 。
    • 18. 发明授权
    • Lens apparatus for projection
    • 投影镜头设备
    • US06552859B1
    • 2003-04-22
    • US09690808
    • 2000-10-18
    • Susumu MatsumotoKumajiro SekineYasuhiro SekineYasaburou Ootaka
    • Susumu MatsumotoKumajiro SekineYasuhiro SekineYasaburou Ootaka
    • G02B900
    • G02B13/00
    • A lens apparatus for projection includes a plurality of lenses on an optical axis. A shading plate 11 for covering the peripheral portion of the lens to block off light entering the peripheral portion is provided as a single member on the optical axis with the lenses to omit an inking process. In addition, the shading plate 11 is integrally provided with a contrast compensating plate 13 for compensating a projected image, so that it is not required to provide any portions for supporting the contrast compensating plate 13. Moreover, a shading wall 23 for blocking off light leaking out of the peripheral portion of the lens is provided on the peripheral portion of the shading plate 11. Thus, it is possible to provide a lens apparatus for projection, which has a simple structure and which can be easily assembled to reduce the producing costs.
    • 用于投影的透镜装置包括在光轴上的多个透镜。 在透镜上设置用于覆盖透镜的周边部分以阻挡进入周边部分的光的遮光板11作为光轴上的单个部件,以省略墨迹处理。 此外,遮光板11一体地设置有用于补偿投影图像的对比度补偿板13,从而不需要提供用于支撑对比度补偿板13的任何部分。此外,遮光壁23用于遮挡光 在遮光板11的周边部分上设置有从透镜的周边部分漏出的透镜装置。因此,可以提供一种结构简单且易于组装以便降低生产成本的投影透镜装置 。