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    • 2. 发明申请
    • Projection image display apparatus and projection optical system
    • 投影图像显示装置和投影光学系统
    • US20100182571A1
    • 2010-07-22
    • US12655994
    • 2010-01-12
    • Jun NishikawaHideki YamamotoJunichi Iwai
    • Jun NishikawaHideki YamamotoJunichi Iwai
    • G03B21/28G03B21/14
    • H04N9/3167G02B26/0816G02B27/1066G02B27/143G02B27/26G02B27/283G03B21/005G03B35/22G03B35/26G03B37/04H04N9/3147H04N13/363
    • A projection image display apparatus includes: a light source; an illumination optical system that uniformly irradiates a surface of an image modulation element serving as a primary image surface with a light beam emitted from the light source; and a projection optical system that enlarges and projects image information on the primary image surface modulated by the image modulation element onto a screen serving as a secondary image surface, and that includes a first optical system that forms an intermediate image from the image information, a single-image second optical system that enlarges and projects the intermediate image to display a single image on the screen, a plural-image second optical system that enlarges and projects the intermediate image to display plural images on the screen, and an optical path switching mechanism that selectively guides a light beam from the first optical system to the single-image or plural-image second optical system.
    • 投影图像显示装置包括:光源; 照明光学系统,其以从光源发射的光束均匀地照射用作主要像面的图像调制元件的表面; 以及投影光学系统,其将由图像调制元件调制的原始图像面上的图像信息放大并投影到作为次要图像表面的屏幕上,并且包括从图像信息形成中间图像的第一光学系统, 扩大和投影中间图像以在屏幕上显示单个图像的单图像第二光学系统,放大并投影中间图像以在屏幕上显示多个图像的多图像第二光学系统,以及光路切换机构 其选择性地将来自第一光学系统的光束引导到单图像或多图像第二光学系统。
    • 3. 发明授权
    • Projector and phase difference plate and method of arranging phase difference plate
    • 投影仪和相位差板及相位差板的安排方法
    • US07199849B2
    • 2007-04-03
    • US10497760
    • 2003-10-06
    • Junichi IwaiHideki Yamamoto
    • Junichi IwaiHideki Yamamoto
    • G02F1/1335
    • H04N9/3105G02B5/3025G02B5/3083G02B27/283G02F2001/133638
    • Provided are a projector capable of correcting a polarization state properly and improving image quality, a retardation plate being used in a projector or the like and being capable of correcting a polarization state properly, and a method of placing a retardation plate. A quarter-wave plate (22) is placed between a reflective spatial light modulator (21) and a PBS (20). The quarter-wave plate (22) includes a combination of a first retardation plate (41) and a second retardation plate (42) each producing a different phase difference. The phase differences produced by two retardation plates (41), (42) are set to be suitable amounts of phase difference according to a position state, so in spite of the fact that the quarter-wave plate (22) including the combination of two retardation plates, the quarter-wave plate (22) can correct the polarization state properly with performance equal to or higher than that in the case where the quarter-wave plate includes a single plate.
    • 提供了能够正确地校正偏振状态并提高图像质量的投影仪,在投影仪等中使用的能够正确地校正偏振状态的延迟板以及放置相位差板的方法。 四分之一波片(22)被放置在反射空间光调制器(21)和PBS(20)之间。 四分之一波片(22)包括各自产生不同相位差的第一延迟板(41)和第二延迟板(42)的组合。 由两个延迟板(41),(42)产生的相位差根据位置状态设定为适当的相位差量,所以尽管四分之一波片(22)包括两个 延迟板,四分之一波片(22)可以正确地校正偏振态,其性能等于或高于四分之一波片包括单个板的情况下的性能。
    • 4. 发明申请
    • PROJECTION DISPLAY APPARATUS
    • 投影显示设备
    • US20100195006A1
    • 2010-08-05
    • US12693802
    • 2010-01-26
    • Junichi IwaiHideki YamamotoYuji Manabe
    • Junichi IwaiHideki YamamotoYuji Manabe
    • G02F1/13363
    • G03B35/26G02F1/133553G02F1/1347G02F2001/13355G02F2203/34H04N9/3167H04N13/337H04N13/363
    • A projection display apparatus includes a light source configured to emit light, at least one reflective liquid crystal device configured to generate an image by modulating a polarization of the light emitted from the light source and reflecting the light, an imaging lens configured to form a real image of the image generated by the reflective liquid crystal device, a quarter-wave plate disposed between the reflective liquid crystal device and the imaging lens, an image splitter configured to include at least one reflecting plane and spatially split the real image into at least two split real images by reflecting the real image on the reflecting plane, at least two projection lenses configured to form the split real images again on a screen, and a phase difference corrector configured to correct a phase difference between a p-polarized light and an s-polarized light generated by the reflecting plane.
    • 一种投影显示装置,包括配置为发光的光源,至少一个反射型液晶装置,被配置为通过调制从光源发射的光的偏振并反射光来产生图像;成像透镜,被配置为形成真实的 由反射型液晶装置产生的图像的图像,设置在反射型液晶装置和成像透镜之间的四分之一波片,被配置为包括至少一个反射面的图像分离器,并且将真实图像空间分割成至少两个 通过在反射平面上反射真实图像来分割真实图像,至少两个投影透镜被配置为在屏幕上再次形成分割的实像;以及相位差校正器,被配置为校正p偏振光和s偏振光之间的相位差 由反射平面产生的偏振光。
    • 5. 发明申请
    • Projector and phase difference plate and method of arranging phase difference plate
    • 投影仪和相位差板及相位差板的安排方法
    • US20050007503A1
    • 2005-01-13
    • US10497760
    • 2003-10-06
    • Junichi IwaiHideki Yamamoto
    • Junichi IwaiHideki Yamamoto
    • G02B5/30G02B27/28G02F1/13G02F1/13357G02F1/13363G03B21/00G02F1/1335
    • H04N9/3105G02B5/3025G02B5/3083G02B27/283G02F2001/133638
    • Provided are a projector capable of correcting a polarization state properly and improving image quality, a retardation plate being used in a projector or the like and being capable of correcting a polarization state properly, and a method of placing a retardation plate. A quarter-wave plate (22) is placed between a reflective spatial light modulator (21) and a PBS (20). The quarter-wave plate (22) includes a combination of a first retardation plate (41) and a second retardation plate (42) each producing a different phase difference. The phase differences produced by two retardation plates (41), (42) are set to be suitable amounts of phase difference according to a position state, so in spite of the fact that the quarter-wave plate (22) including the combination of two retardation plates, the quarter-wave plate (22) can correct the polarization state properly with performance equal to or higher than that in the case where the quarter-wave plate includes a single plate.
    • 提供了能够正确地校正偏振状态并提高图像质量的投影仪,在投影仪等中使用的能够正确地校正偏振状态的延迟板以及放置相位差板的方法。 四分之一波片(22)被放置在反射空间光调制器(21)和PBS(20)之间。 四分之一波片(22)包括各自产生不同相位差的第一延迟板(41)和第二延迟板(42)的组合。 由两个延迟板(41),(42)产生的相位差根据位置状态设定为适当的相位差量,所以尽管四分之一波片(22)包括两个 延迟板,四分之一波片(22)可以正确地校正偏振态,其性能等于或高于四分之一波片包括单个板的情况下的性能。
    • 6. 发明授权
    • Projection display apparatus
    • 投影显示装置
    • US08330879B2
    • 2012-12-11
    • US12693802
    • 2010-01-26
    • Junichi IwaiHideki YamamotoYuji Manabe
    • Junichi IwaiHideki YamamotoYuji Manabe
    • G02F1/1335
    • G03B35/26G02F1/133553G02F1/1347G02F2001/13355G02F2203/34H04N9/3167H04N13/337H04N13/363
    • A projection display apparatus includes a light source configured to emit light, at least one reflective liquid crystal device configured to generate an image by modulating a polarization of the light emitted from the light source and reflecting the light, an imaging lens configured to form a real image of the image generated by the reflective liquid crystal device, a quarter-wave plate disposed between the reflective liquid crystal device and the imaging lens, an image splitter configured to include at least one reflecting plane and spatially split the real image into at least two split real images by reflecting the real image on the reflecting plane, at least two projection lenses configured to form the split real images again on a screen, and a phase difference corrector configured to correct a phase difference between a p-polarized light and an s-polarized light generated by the reflecting plane.
    • 一种投影显示装置,包括配置为发光的光源,至少一个反射型液晶装置,被配置为通过调制从光源发射的光的偏振并反射光来产生图像;成像透镜,被配置为形成真实的 由反射型液晶装置产生的图像的图像,设置在反射型液晶装置和成像透镜之间的四分之一波片,被配置为包括至少一个反射面的图像分离器,并且将真实图像空间分割成至少两个 通过在反射平面上反射真实图像来分割真实图像,至少两个投影透镜被配置为在屏幕上再次形成分割的实像;以及相位差校正器,被配置为校正p偏振光和s偏振光之间的相位差 由反射平面产生的偏振光。
    • 10. 发明授权
    • Image recording apparatus
    • 图像记录装置
    • US08523348B2
    • 2013-09-03
    • US13072750
    • 2011-03-27
    • Hideki YamamotoYuji Sakano
    • Hideki YamamotoYuji Sakano
    • B41J2/01
    • B41J13/0009B65H5/26B65H2404/2693B65H2511/212B65H2511/414B65H2513/42B65H2220/01B65H2220/02B65H2220/11
    • An image recording apparatus including: (a) a first conveyor configured to convey a recording medium along a first conveyance path; (b) a first recording head; (c) a second conveyor configured to convey the recording medium along a second conveyance path; (d) a second recording head; (e) a third conveyor configured to convey the recording medium along a third conveyance path; and (f) a posture changer configured to change a posture of at least a downstream-side portion of the first conveyor between a first angular posture and a second angular posture, such that at least a downstream-side part of the first conveyance path is directed to the second conveyance path when the at least the downstream-side portion of the first conveyor takes the first angular posture, and such that the at least the downstream-side part of the first conveyance path is directed to the third conveyance path when the at least the downstream-side portion of the first conveyor takes the second angular posture.
    • 一种图像记录装置,包括:(a)第一传送器,其构造成沿着第一传送路径传送记录介质; (b)第一记录头; (c)第二传送器,其构造成沿着第二传送路径传送记录介质; (d)第二记录头; (e)第三传送器,其构造成沿着第三传送路径传送记录介质; 以及(f)姿态变换器,其构造为将第一输送机的至少下游侧部分的姿势改变为第一角度姿势和第二角度姿势,使得第一输送路径的至少下游侧部分为 当第一输送机的至少下游侧部分呈第一角度姿态时,指向第二输送路径,并且当第一输送路径的至少下游侧部分指向第三输送路径时, 至少第一输送机的下游侧部分呈第二角度姿势。