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    • 1. 发明申请
    • ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME
    • 变焦镜头和图像拾取装置包括它们
    • US20110292520A1
    • 2011-12-01
    • US13109779
    • 2011-05-17
    • Ken WadaYoshihisa Tashiro
    • Ken WadaYoshihisa Tashiro
    • G02B15/14
    • G02B15/161G02B3/14
    • A zoom lens includes a first variable refractive power element that changes a refractive power thereof in a positive direction by changing a shape of an interface between different media during zooming from a wide angle end to a telephoto end; and a second variable refractive power element that changes a refractive power thereof in a negative direction by changing a shape of an interface between different media during zooming from a wide angle end to a telephoto end. An imaging magnification of at least one of the variable refractive power elements increases during zooming from the wide angle end to the telephoto end. Variations in chromatic aberration and other distortions are controlled when predetermined conditional expressions are satisfied.
    • 变焦透镜包括:第一可变折射光焦度元件,其通过在从广角端到远摄端的变焦期间改变不同介质之间的界面的形状来改变其在正方向上的折射力; 以及第二可变屈光力元件,其通过在从广角端到望远端的变焦期间改变不同介质之间的界面的形状来改变其在负方向上的折射力。 在从广角端到望远端的变焦期间,可变屈光力元件中的至少一个的成像放大率增加。 当满足预定的条件表达式时,可以控制色差和其他失真的变化。
    • 2. 发明申请
    • ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME
    • 变焦镜头和图像拾取器具
    • US20110222165A1
    • 2011-09-15
    • US13112231
    • 2011-05-20
    • Yoshihisa Tashiro
    • Yoshihisa Tashiro
    • G02B15/14
    • G02B15/177
    • A zoom lens comprises a first lens group having a negative refractive power and a second lens group having a positive refractive power in order from object to image sides, an interval between the first and second lens groups changes in a zoom operation, the first lens group is constituted by negative and positive lenses in order from the object to image sides, the negative and positive lenses of the first lens group are arranged at intervals, the second lens group is constituted by three lenses including positive and negative lenses in order from the object to image sides, and a radius of curvature of a lens surface at the object side of the negative lens constituting the first lens group, a shape of a negative lens having the maximum refractive power constituting the second lens group, and a refractive power of the second lens group are appropriately set.
    • 变焦透镜包括具有负折光力的第一透镜组和具有正折射力的第二透镜组,从物体到图像侧,从第一和第二透镜组之间的间隔在变焦操作中变化,第一透镜组 由物体到像侧依次由负透镜和正透镜构成,第一透镜组的负透镜和正透镜间隔地布置,第二透镜组由包括正透镜和负透镜的三个透镜构成,从物体 以及构成第一透镜组的负透镜的物体侧的透镜表面的曲率半径,构成第二透镜组的具有最大折光力的负透镜的形状,以及折射光焦度 第二透镜组被适当地设定。
    • 3. 发明授权
    • Zoom lens system and optical apparatus including the same
    • 变焦透镜系统和包括其的光学装置
    • US07619834B2
    • 2009-11-17
    • US12037044
    • 2008-02-25
    • Kenji ObuKen WadaTakashi OkadaYoshihisa Tashiro
    • Kenji ObuKen WadaTakashi OkadaYoshihisa Tashiro
    • G02B9/60G02B15/14
    • G02B15/177G02B1/00
    • A zoom lens system includes a first lens unit having a negative refractive power, at least one lens unit having a positive refractive power, and an optical element composed of a material having an Abbe number and a partial dispersion that satisfy a predetermined condition. The first lens unit, an aperture stop, and the at least one lens unit are arranged in this order from the object side to the image side. The zoom lens system performs zooming while changing the distance between the lens units. The focal length fN of the optical element, the distance Lt from the aperture stop to the optical element in the telephoto end state, the overall length of the zoom lens system Tt in the telephoto end state, and the focal lengths fw and ft in the wide-angle end and telephoto end states are set at appropriate values.
    • 变焦透镜系统包括具有负屈光力的第一透镜单元,具有正折光力的至少一个透镜单元和由具有满足预定条件的阿贝数和部分色散的材料组成的光学元件。 第一透镜单元,孔径光阑和至少一个透镜单元从物体侧到像侧依次布置。 变焦镜头系统在改变镜头单元之间的距离的同时进行变焦。 光学元件的焦距fN,在远摄端状态下从孔径光阑到光学元件的距离Lt,远摄端状态下的变焦透镜系统Tt的总长度,以及焦距fw和ft 广角端和远摄端状态设置为适当的值。
    • 4. 发明授权
    • Zoom lens and image pickup device including the same
    • 变焦镜头和摄像装置包括它
    • US08520313B2
    • 2013-08-27
    • US12904963
    • 2010-10-14
    • Ken WadaYoshihisa TashiroTsunefumi Tanaka
    • Ken WadaYoshihisa TashiroTsunefumi Tanaka
    • G02B15/00G02B1/06
    • G02B15/173G02B3/14G02B13/18
    • A zoom lens includes, a plurality of lens units arranged along an optical axis and configured to move from a wide angle end to a telephoto end during a zooming operation of the zoom lens; a first refractive power variable element whose refractive power is changed in a positive direction by changing shapes of boundary surfaces of different media when zooming from the wide-angle end to the telephoto end; and a second refractive power variable element whose refractive power is changed in a negative direction by changing shapes of boundary surfaces of different media when zooming from the wide-angle end to the telephoto end. When zooming from the wide-angle end to the telephoto end, imaging magnifications of the first refractive power variable element and the second refractive power variable element are increased.
    • 变焦镜头包括:多个透镜单元,沿着光轴布置并被配置为在变焦镜头的变焦操作期间从广角端部移动到望远端; 第一屈光力量可变元件,其在从广角端到望远端变焦时,通过改变不同介质的边界面的形状,在正方向上变化; 以及第二屈光力可变元件,其在从广角端到望远端变焦时,通过改变不同介质的边界面的形状,在负方向上变化。 当从广角端到望远端放大时,增加了第一光焦度可变元件和第二屈光度可变元件的成像倍率。
    • 5. 发明申请
    • ZOOM LENS AND IMAGE PICKUP APPARATUS EQUIPPED WITH ZOOM LENS
    • 变焦镜头和图像拾取设备配有变焦镜头
    • US20120314299A1
    • 2012-12-13
    • US13488086
    • 2012-06-04
    • Yoshihisa TashiroToyokatsu Fujisaki
    • Yoshihisa TashiroToyokatsu Fujisaki
    • G02B15/14
    • G02B13/0065G02B13/009G02B13/12G02B15/17G02B15/173
    • A zoom lens includes, a first lens unit of a positive refractive power, a second lens unit of a negative refractive power, a reflective element, and a rear lens group including two or more lens units and an aperture stop, in which the first lens unit, the second lens unit, and two or more lens units of the rear lens group are moved while the reflective element is stationary during zooming, wherein movement amounts M1 and M2 of the first and second lens units during zooming, a movement amount Ms of the aperture stop, and focal lengths fw and ft of the entire zoom lens at the wide-angle end and the telephoto end, respectively, lateral magnifications β2w and β2t of the second lens unit, a distance LSw from the first lens surface to the aperture stop at the wide-angle end are appropriately set.
    • 变焦透镜包括:正屈光力的第一透镜单元,负折光力的第二透镜单元,反射元件和包括两个或更多个透镜单元的后透镜组和孔径光阑,其中第一透镜 单元,第二透镜单元和后透镜组的两个或更多个透镜单元在变焦期间反射元件静止时移动,其中第一和第二透镜单元在变焦期间的移动量M1和M2,移动量Ms 孔径光阑,以及广角端和远摄端的整个变焦透镜的焦距fw和ft分别为第二透镜单元的横向放大倍率2gr和2gr和2b,距离第一透镜的距离LSw 适当设定在广角端的孔径光阑的表面。
    • 6. 发明申请
    • ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME
    • 变焦镜头和图像拾取器具
    • US20100284093A1
    • 2010-11-11
    • US12776466
    • 2010-05-10
    • Yoshihisa Tashiro
    • Yoshihisa Tashiro
    • G02B15/177
    • G02B15/177
    • A zoom lens comprises a first lens group having a negative refractive power and a second lens group having a positive refractive power in order from object to image sides, an interval between the first and second lens groups changes in a zoom operation, the first lens group is constituted by negative and positive lenses in order from the object to image sides, the negative and positive lenses of the first lens group are arranged at intervals, the second lens group is constituted by three lenses including positive and negative lenses in order from the object to image sides, and a radius of curvature of a lens surface at the object side of the negative lens constituting the first lens group, a shape of a negative lens having the maximum refractive power constituting the second lens group, and a refractive power of the second lens group are appropriately set.
    • 变焦透镜包括具有负折光力的第一透镜组和具有正折射力的第二透镜组,从物体到图像侧,从第一和第二透镜组之间的间隔在变焦操作中变化,第一透镜组 由物体到像侧依次由负透镜和正透镜构成,第一透镜组的负透镜和正透镜间隔地布置,第二透镜组由包括正透镜和负透镜的三个透镜构成,从物体 以及构成第一透镜组的负透镜的物体侧的透镜表面的曲率半径,构成第二透镜组的具有最大折光力的负透镜的形状,以及折射光焦度 第二透镜组被适当地设定。
    • 7. 发明申请
    • Exhaust gas cleaning system
    • 废气净化系统
    • US20060201144A1
    • 2006-09-14
    • US10551442
    • 2004-05-27
    • Masashi GabeYoshihisa Tashiro
    • Masashi GabeYoshihisa Tashiro
    • F01N3/10
    • F01N9/002F01N3/0231F01N3/0235F01N13/0097F01N2250/02F01N2430/08F01N2430/085F01N2510/065F02B37/00F02D41/029F02D41/401F02D41/402F02D41/403F02D2200/0802Y02T10/144Y02T10/44Y02T10/47
    • An exhaust gas purifying system causes less torque fluctuation and is capable of preventing the occurrence of white smoke in a regeneration control operation for regenerating a continuous regeneration DPF 3. When the continuous regeneration DPF 3 with an oxidation catalyst 3Aa on the upstream side of a filter 3Ab is controlled to regenerate, an exhaust throttle valve 31 provided in an exhaust passage 2 is closed and a delay multi-step injection control is performed to increase the temperature of the exhaust gas if an exhaust temperature T1 at the inlet of the oxidation catalyst 3Aa is less than the activation temperature Ta of the oxidation catalyst. After the exhaust temperature T1 at the inlet of the oxidation catalyst 3Aa has risen to the activation temperature Ta of the oxidation catalyst or higher, the exhaust throttle valve 31 is opened in a stepwise or continuous manner so that the exhaust temperature T2 at the inlet of the filter 3Ab rises to a lower limit temperature of PM forced combustion Tb1 or higher.
    • 废气净化系统引起较少的扭矩波动,并且能够防止在用于再生连续再生DPF 3的再生控制操作中发生白烟。 当将过滤器3 Ab的上游侧的氧化催化剂3Aa的连续再生DPF 3控制为再生时,设置在排气通路2内的排气节流阀31关闭,并进行延迟多步骤喷射控制, 如果氧化催化剂3Aa的入口处的排气温度T 1小于氧化催化剂的活化温度Ta,则增加废气的温度。 在氧化催化剂3Aa的入口处的排气温度T 1升高到氧化催化剂的活化温度Ta以上时,排气节流阀31以逐步或连续的方式打开,使排气温度T 2在 过滤器3 Ab的入口上升到PM强制燃烧Tb 1以下的下限温度。
    • 9. 发明授权
    • Zoom lens and image pickup apparatus equipped with zoom lens
    • 变焦镜头和配有变焦镜头的摄像设备
    • US08928989B2
    • 2015-01-06
    • US13488086
    • 2012-06-04
    • Yoshihisa TashiroToyokatsu Fujisaki
    • Yoshihisa TashiroToyokatsu Fujisaki
    • G02B15/14G02B13/00G02B15/17G02B15/173G02B13/12
    • G02B13/0065G02B13/009G02B13/12G02B15/17G02B15/173
    • A zoom lens includes, a first lens unit of a positive refractive power, a second lens unit of a negative refractive power, a reflective element, and a rear lens group including two or more lens units and an aperture stop, in which the first lens unit, the second lens unit, and two or more lens units of the rear lens group are moved while the reflective element is stationary during zooming, wherein movement amounts M1 and M2 of the first and second lens units during zooming, a movement amount Ms of the aperture stop, and focal lengths fw and ft of the entire zoom lens at the wide-angle end and the telephoto end, respectively, lateral magnifications β2w and β2t of the second lens unit, a distance LSw from the first lens surface to the aperture stop at the wide-angle end are appropriately set.
    • 变焦透镜包括:正屈光力的第一透镜单元,负折光力的第二透镜单元,反射元件和包括两个或更多个透镜单元的后透镜组和孔径光阑,其中第一透镜 单元,第二透镜单元和后透镜组的两个或更多个透镜单元在变焦期间反射元件静止时移动,其中第一和第二透镜单元在变焦期间的移动量M1和M2,移动量Ms 孔径光阑,以及广角端和远摄端的整个变焦透镜的焦距fw和ft分别为第二透镜单元的横向放大倍率2gr和2gr和2b,距离第一透镜的距离LSw 适当设定在广角端的孔径光阑的表面。
    • 10. 发明授权
    • Zoom lens and image pickup apparatus having the same
    • 具有相同的变焦镜头和摄像装置
    • US08514497B2
    • 2013-08-20
    • US13408880
    • 2012-02-29
    • Yoshihisa Tashiro
    • Yoshihisa Tashiro
    • G02B15/14
    • G02B15/177G02B13/18
    • A zoom lens includes, in order from an object side to an image side, a first lens unit having a negative refractive power and a second lens unit having a positive refractive power. A distance between the first lens unit and the second lens unit varies during zooming. The first lens unit includes, in order from the object side to the image side, a negative lens and a positive lens of which an object-side lens surface has a convex shape. An Abbe number of a material of the positive lens of the first lens unit, a focal length of the first lens unit, a distance between an image-side lens surface of the first lens unit and an object-side lens surface of the second lens unit at a telephoto end, and focal lengths of the entire zoom lens at a wide-angle end and the telephoto end are appropriately set.
    • 变焦透镜从物体侧到像侧依次包括具有负屈光力的第一透镜单元和具有正折光力的第二透镜单元。 第一透镜单元和第二透镜单元之间的距离在变焦期间变化。 第一透镜单元从物体侧到像侧依次包括负透镜和物镜侧透镜表面具有凸形的正透镜。 第一透镜单元的正透镜的材料的阿贝数,第一透镜单元的焦距,第一透镜单元的图像侧透镜表面与第二透镜的物体侧透镜表面之间的距离 在远摄端的单位,并且广角端的整个变焦透镜的焦距和远摄端的焦距被适当地设定。