公开(公告)号：US07012724B2

公开(公告)日：2006-03-14

申请号：US10912231

申请日：2004-08-06

申请人： Hiromichi Atsuumi ,  Seizo Suzuki ,  Satoru Itoh

发明人： Hiromichi Atsuumi ,  Seizo Suzuki ,  Satoru Itoh

IPC分类号： G02B26/08

CPC分类号： G02B26/128 ,  Y10S359/90

摘要： In an optical scanning device and image forming apparatus according to the present invention, a light source emits a light beam, and a scanning optical unit deflects the light beam from the light source and focuses the deflected light beam to form a light spot on a scanned surface, the scanned surface being scanned by the light beam from the scanning optical unit. A temperature detection unit detects a temperature of the scanning optical unit and its neighboring locations. A temperature compensation unit adjusts a focal-point position of the light beam on the scanned surface in accordance with a change in the temperature detected by the temperature detection unit, the temperature compensation unit adjusting the focal-point position of the light beam by directly varying a focusing effect of a corrector lens on the light beam from the light source by a controlled amount of movement of the corrector lens along its optical axis that corresponds to the temperature change.

摘要翻译： 在根据本发明的光学扫描装置和图像形成装置中，光源发射光束，扫描光学单元使来自光源的光束偏转并聚焦偏转的光束，以在扫描的光束上形成光点 表面，被扫描的表面被来自扫描光学单元的光束扫描。 温度检测单元检测扫描光学单元及其相邻位置的温度。 温度补偿单元根据由温度检测单元检测到的温度变化来调整扫描面上的光束的焦点位置，温度补偿单元通过直接变化来调整光束的焦点位置 通过对应于温度变化的校正透镜沿着其光轴的受控量的运动，校正透镜对来自光源的光束的聚焦效果。

公开(公告)号：US06791729B2

公开(公告)日：2004-09-14

申请号：US10161756

申请日：2002-06-05

申请人： Hiromichi Atsuumi ,  Seizo Suzuki

发明人： Hiromichi Atsuumi ,  Seizo Suzuki

IPC分类号： G02B2608

CPC分类号： G02B26/124 ,  G02B7/028

摘要： The imaging position of an optical beam spot in an optical scanning device is adjusted. The imaging position of the optical beam spot is adjusted in both a main scanning direction and a sub-scanning direction. The imaging position of the optical beam spot in the main scanning direction is adjusted by individually adjusting, in an optical axis direction, a position of at least one lens 10 having power in the main scanning direction. The imaging position of the optical beam spot in the sub-scanning direction is adjusted by collectively adjusting, in the optical axis direction, a position of the linear image imaging optical system 100 as a whole.

摘要翻译： 调整光学扫描装置中的光束点的成像位置。 在主扫描方向和副扫描方向上调整光束光点的成像位置。 通过在光轴方向上分别调整具有主扫描方向的功率的至少一个透镜10的位置，来调节光束光斑在主扫描方向上的成像位置。 通过在光轴方向上整体地调整线性图像成像光学系统100的位置来调整光束光斑在副扫描方向上的成像位置。

公开(公告)号：US06785028B1

公开(公告)日：2004-08-31

申请号：US09716949

申请日：2000-11-22

申请人： Hiromichi Atsuumi ,  Seizo Suzuki ,  Satoru Itoh

发明人： Hiromichi Atsuumi ,  Seizo Suzuki ,  Satoru Itoh

IPC分类号： G02B2608

CPC分类号： G02B26/128 ,  Y10S359/90

摘要： In an optical scanning device and image forming apparatus according to the present invention, a light source emits a light beam, and a scanning optical unit deflects the light beam from the light source and focuses the deflected light beam to form a light spot on a scanned surface, the scanned surface being scanned by the light beam from the scanning optical unit. A temperature detection unit detects a temperature of the scanning optical unit and its neighboring locations. A temperature compensation unit adjusts a focal-point position of the light beam on the scanned surface in accordance with a change in the temperature detected by the temperature detection unit, the temperature compensation unit adjusting the focal-point position of the light beam by directly varying a focusing effect of a corrector lens on the light beam from the light source by a controlled amount of movement of the corrector lens along its optical axis that corresponds to the temperature change.

摘要翻译： 在根据本发明的光学扫描装置和图像形成装置中，光源发射光束，扫描光学单元使来自光源的光束偏转并聚焦偏转的光束，以在扫描的光束上形成光点 表面，被扫描的表面被来自扫描光学单元的光束扫描。 温度检测单元检测扫描光学单元及其相邻位置的温度。 温度补偿单元根据由温度检测单元检测到的温度变化来调整扫描面上的光束的焦点位置，温度补偿单元通过直接变化来调整光束的焦点位置 通过对应于温度变化的校正透镜沿着其光轴的受控量的运动，校正透镜对来自光源的光束的聚焦效果。

公开(公告)号：US09997093B2

公开(公告)日：2018-06-12

申请号：US15346192

申请日：2016-11-08

申请人： Hiromichi Atsuumi ,  Daisuke Ichii ,  Toshihiro Yamashiro ,  Makoto Inamoto

发明人： Hiromichi Atsuumi ,  Daisuke Ichii ,  Toshihiro Yamashiro ,  Makoto Inamoto

IPC分类号： G03B21/28 ,  G09G3/02 ,  H04N9/31 ,  G02B27/01 ,  G02B27/00

CPC分类号： G09G3/025 ,  G02B3/0056 ,  G02B26/101 ,  G02B27/0031 ,  G02B27/0101 ,  G02B27/48 ,  G02B2027/0118 ,  G02B2027/012 ,  G02B2027/0145 ,  G03B21/28 ,  G09G2380/10 ,  G09G2380/12 ,  H04N9/3135

摘要： An image display apparatus and a vehicle provided with the image display apparatus. The image display apparatus includes a light source unit to emit a laser beam, an optical deflector to deflect the laser beam two-dimensionally, and an intermediate image generator to perform two-dimensional scanning twice in a main scanning direction and a sub-scanning direction with the laser beam deflected by the optical deflector to generate an intermediate image of one frame, where the laser beam deflected by the optical deflector draws two scanning lines. In the image display apparatus, the two scanning lines have two different phases for the two-dimensional scanning for a first time and the two-dimensional scanning for a second time, respectively. In the image display apparatus, the two scanning lines have two different starting points for the two-dimensional scanning for a first time and the two-dimensional scanning for a second time, respectively.

公开(公告)号：US09013802B2

公开(公告)日：2015-04-21

申请号：US14200639

申请日：2014-03-07

申请人： Yohei Takano ,  Hiromichi Atsuumi

发明人： Yohei Takano ,  Hiromichi Atsuumi

IPC分类号： G02B15/14 ,  G02B15/16 ,  G02B15/17 ,  G02B27/00 ,  G02B15/173

CPC分类号： G02B15/14 ,  G02B15/16 ,  G02B15/17 ,  G02B15/173 ,  G02B27/0062

摘要： A zoom lens includes, in order from an object side in an optical axis a first lens group having a positive refractive power, a second lens group having a negative refractive power; a third lens group having a negative refractive power, a fourth lens group having a positive refractive power, a fifth lens group having a positive refractive power, and an aperture stop arranged between the third lens group and the fourth lens group, an interval between the first lens group and the second lens group being increased, an interval between the second lens group and the third lens group being varied, an interval between the third lens group and the fourth lens group being decreased, and an interval between the fourth lens group and the fifth lens group being decreased when changing a magnification from a wide-angle end to a telephoto end.

摘要翻译： 变焦透镜从光轴的物体侧起依次具有具有正折光力的第一透镜组，具有负折光力的第二透镜组; 具有负屈光力的第三透镜组，具有正折光力的第四透镜组，具有正折光力的第五透镜组，以及布置在第三透镜组和第四透镜组之间的间隙， 第一透镜组和第二透镜组增加，第二透镜组和第三透镜组之间的间隔变化，第三透镜​​组和第四透镜组之间的间隔减小，并且第四透镜组与第三透镜组之间的间隔 当从广角端到远摄端改变放大倍率时，第五透镜组减小。

公开(公告)号：US20110002048A1

公开(公告)日：2011-01-06

申请号：US12828648

申请日：2010-07-01

申请人： Yohei TAKANO ,  Hiromichi Atsuumi

发明人： Yohei TAKANO ,  Hiromichi Atsuumi

IPC分类号： G02B15/14

CPC分类号： G02B15/173 ,  G02B13/18

摘要： A zoom lens includes a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, and a fourth lens group having a positive refractive power, which are disposed in order from an object side, and an aperture stop disposed at an object side of the third lens group. When changing the magnification from a wide angle end to a telephoto end, an interval between the first and second lens groups increases, an interval between the second and third lens groups decreases, and an interval between the third and fourth lens groups increases. The first lens group includes a negative lens, a positive lens, and a positive lens, in order from the object side. Predetermined conditions of a refractive index of the negative lens E1 for a d line, an Abbe number for d line, and a relative partial dispersion are satisfied.

摘要翻译： 变焦透镜包括具有正折光力的第一透镜组，具有负折光力的第二透镜组，具有正折射光焦度的第三透镜组和具有正折射光焦度的第四透镜组，其按顺序布置 并且设置在第三透镜组的物体侧的孔径光阑。 当从广角端到望远端改变放大倍率时，第一和第二透镜组之间的间隔增加，第二和第三透镜组之间的间隔减小，并且第三和第四透镜组之间的间隔增加。 从物体侧开始，第一透镜组包括负透镜，正透镜和正透镜。 d线的负透镜E1的折射率的预定条件，d线的阿贝数和相对部分色散被满足。

公开(公告)号：US07616384B2

公开(公告)日：2009-11-10

申请号：US12209406

申请日：2008-09-12

申请人： Hiromichi Atsuumi

发明人： Hiromichi Atsuumi

IPC分类号： G02B15/14 ,  G02B15/02 ,  G02B15/08

CPC分类号： G02B15/173

摘要： A zoom lens includes, in order along an optical axis from a side nearest to a photographic subject to an imaging site, a first lens group I that comprises a positive refraction index and is anchored in place when performing a magnification of an image, a second lens group II that comprises a negative refraction index, a third lens group III that comprises a positive refraction index, a fourth lens group IV that comprises a positive refraction index, a fifth lens group V that comprises a negative refraction index, and a sixth lens group VI that comprises a positive refraction index, wherein, when magnifying from a wide angle end to a telephoto end, the magnification thereof is performed by moving the second lens group II, the fourth lens group IV, and the fifth lens group V, at a minimum, the first lens group I comprises a reflective optical element, which is for refracting a light path therein, an additional lens group VII, comprising a negative refraction index, is interposed between the lens groups of the zoom lens as an additional lens group thereof, at a minimum, and a magnification to a long focal distance that is even longer than the telephoto end is performed thereby.

摘要翻译： 变焦透镜从沿着摄影对象最接近成像位置的一侧沿着光轴顺序包括第一透镜组I，其包括正折射率，并且当执行图像的放大倍数时被锚定就位;第二透镜组I 包括负折射率的透镜组II，包括正折射率的第三透镜组III，包括正折射率的第四透镜组IV，包括负折射率的第五透镜组V和包括负折射率的第五透镜组V，以及第六透镜 组VI包括正折射率，其中当从广角端到远摄端放大时，通过将第二透镜组II，第四透镜组IV和第五透镜组V移动到 第一透镜组I包括用于折射其中的光路的反射光学元件，包括负折射率的附加透镜组VII介于 因此，将变焦透镜的透镜组作为其附加透镜组，至少为远，并且进行比长焦端更长的焦距的倍率。

公开(公告)号：US20090073572A1

公开(公告)日：2009-03-19

申请号：US12209406

申请日：2008-09-12

申请人： Hiromichi Atsuumi

发明人： Hiromichi Atsuumi

IPC分类号： G02B15/16 ,  G02B15/12

CPC分类号： G02B15/173

摘要： A zoom lens includes, in order along an optical axis from a side nearest to a photographic subject to an imaging site, a first lens group I that comprises a positive refraction index and is anchored in place when performing a magnification of an image, a second lens group II that comprises a negative refraction index, a third lens group III that comprises a positive refraction index, a fourth lens group IV that comprises a positive refraction index, a fifth lens group V that comprises a negative refraction index, and a sixth lens group VI that comprises a positive refraction index, wherein, when magnifying from a wide angle end to a telephoto end, the magnification thereof is performed by moving the second lens group II, the fourth lens group IV, and the fifth lens group V, at a minimum, the first lens group I comprises a reflective optical element, which is for refracting a light path therein, an additional lens group VII, comprising a negative refraction index, is interposed between the lens groups of the zoom lens as an additional lens group thereof, at a minimum, and a magnification to a long focal distance that is even longer than the telephoto end is performed thereby.

摘要翻译： 变焦透镜从沿着摄影对象最接近成像位置的一侧沿着光轴顺序包括第一透镜组I，其包括正折射率，并且当执行图像的放大倍数时被锚定就位;第二透镜组I 包括负折射率的透镜组II，包括正折射率的第三透镜组III，包括正折射率的第四透镜组IV，包括负折射率的第五透镜组V和包括负折射率的第五透镜组V，以及第六透镜 组VI包括正折射率，其中当从广角端到远摄端放大时，通过将第二透镜组II，第四透镜组IV和第五透镜组V移动到 第一透镜组I包括用于折射其中的光路的反射光学元件，包括负折射率的附加透镜组VII介于 因此，将变焦透镜的透镜组作为其附加透镜组，至少为远，并且进行比长焦端更长的焦距的倍率。

公开(公告)号：US20090059335A1

公开(公告)日：2009-03-05

申请号：US12230015

申请日：2008-08-21

申请人： Taku Amada ,  Hiromichi Atsuumi

发明人： Taku Amada ,  Hiromichi Atsuumi

IPC分类号： G02B26/10

CPC分类号： G02B26/125 ,  B41J2/471

摘要： A holding mechanism for a long length optical element, which extends in a main scanning direction that is a movement direction of a deflected luminous flux by an optical deflector, and leads the deflected luminous flux to a scanned surface, includes; a holding member which is placed in a sub-scanning direction orthogonal to the main scanning direction and holds the long length optical element in at least two places. The holding member has, an adjusting section which deflects the long length optical element in the sub-scanning direction and controls a tilt of the long length optical element in a sub-scanning cross-section and/or occurrences of a tilt distribution in a longitudinal direction in the sub-scanning cross-section.

摘要翻译： 包括：长光学元件的保持机构，其沿着作为光偏转器的偏转光束的移动方向的主扫描方向延伸并将被偏转的光束引导到扫描面， 保持构件，其放置在与主扫描方向正交的副扫描方向上，并且将长度光学元件保持在至少两个位置。 保持构件具有调整部，该调整部使副扫描方向上的长度光学元件偏转，并且在副扫描截面中控制长度光学元件的倾斜和/或纵向的倾斜分布的发生 方向在副扫描横截面。

公开(公告)号：US20080043307A1

公开(公告)日：2008-02-21

申请号：US11873635

申请日：2007-10-17

申请人： Yoshinori HAYASHI ,  Hiromichi Atsuumi

发明人： Yoshinori HAYASHI ,  Hiromichi Atsuumi

IPC分类号： G02B26/10

CPC分类号： G02B26/125

摘要： An optical scanner includes a light source, an optical coupler, an optical line image unit, a deflector, and an optical scanning unit. The optical scanning unit includes scanning lenses that guide the beams to a surface to be scanned. A surface on the deflector side of the scanning lens closest to a deflection reflecting surface has a negative power in a vertical scanning direction, and is a special toric surface in which a radius of curvature in a vertical scanning changes from an optical axis of the lens surface toward a periphery of the horizontal scanning direction. An F number of the beams toward the surface to be scanned of the scanning lens in the vertical scanning direction is larger in a peripheral part than in a central part in an effective scanning width.

摘要翻译： 光学扫描器包括光源，光耦合器，光线图像单元，偏转器和光学扫描单元。 光学扫描单元包括将光束引导到待扫描表面的扫描透镜。 最靠近偏转反射面的扫描透镜的偏转器侧的表面在垂直扫描方向上具有负的功率，并且是垂直扫描中的曲率半径从透镜的光轴变化的特殊复曲面 表面朝向水平扫描方向的周边。 在扫描透镜的垂直扫描方向上要扫描的表面的光束数目F在周边部分比在有效扫描宽度中的中心部分大。