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    • 1. 发明授权
    • Progressive multifocal lens
    • 渐进多焦点镜片
    • US5506630A
    • 1996-04-09
    • US249980
    • 1994-05-27
    • Yasunori UenoToshiaki UmedaFumio Takahashi
    • Yasunori UenoToshiaki UmedaFumio Takahashi
    • G02C7/06G02C7/02
    • G02C7/065G02C7/061
    • In a progressive multifocal lens of the present invention, the values of a curvature .rho.m of a refracting surface along the principal meridional curve and a curvature .rho.s of the refracting surface in a direction perpendicular to the principal meridional curve become maximum at approximately the center of a nearsight portion on the principal meridional curve, decrease toward the peripheral region of the nearsight portion along the principal meridional curve, are substantially different from each other at least from the lower portion of a farsight portion to approximately the center of a intermediate portion, are substantially equivalent from approximately the center of the intermediate portion to the lower portion of the intermediate portion, and are substantially different from each other from the lowest portion of the intermediate portion and the nearsight portion.
    • 在本发明的渐进多焦点透镜中,沿着主子午线曲线的折射面的曲率rho和折射面在与主子午线曲线垂直的方向上的曲率rho的值在大约中心处变得最大 在主子午线曲线上的近视部分沿着主子午线向近视部分的周边区域的减小至少从远视部分的下部到中间部分的中心彼此基本不同, 从中间部分的大致中心到中间部分的下部基本相等,并且从中间部分和近视部分的最低部分基本上彼此不同。
    • 2. 发明授权
    • Progressive multifocal lens
    • 渐进多焦点镜片
    • US5510860A
    • 1996-04-23
    • US249969
    • 1994-05-27
    • Yasunori UenoToshiaki UmedaFumio Takahashi
    • Yasunori UenoToshiaki UmedaFumio Takahashi
    • G02C7/06G02C7/02G02B7/06
    • G02C7/065G02C7/061
    • A progressive multifocal lens of the present invention has, along a principal meridional curve, a farsight portion having a refracting power corresponding to a distant view, a nearsight portion having a refracting power corresponding to a near view, and an intermediate portion, located between the farsight and nearsight portions, for continuously connecting the refracting powers of the farsight and nearsight portions, wherein a refracting surface has a shape such that the angle .theta. formed by normal lines of the refracting surface at respective points on each of vertical crossing curves of the lens refracting surface and a principal meridional curve is changed gently and monotonously away from the principal meridional curve along the respective vertical crossing curves in a direction perpendicular to the principal meridional curve.
    • 本发明的渐进多焦点透镜沿着主子午线曲线具有具有对应于远视的折射力的远视部分,具有对应于近视的折射力的近视部分和位于 远视和近视部分,用于连续地连接远视和近视部分的折射力,其中折射表面具有这样的形状,使得在透镜的每个垂直交叉曲线上的各个点处的折射表面的法线形成的角度θ 折射表面和主子午线在垂直于主子午线曲线的方向上沿着相应的垂直交叉曲线轻轻地并且单调地离开主子午线。
    • 3. 发明授权
    • Progressive multifocal lens
    • 渐进多焦点镜片
    • US5523807A
    • 1996-06-04
    • US249962
    • 1994-05-27
    • Toshiaki UmedaYasunori UenoFumio Takahashi
    • Toshiaki UmedaYasunori UenoFumio Takahashi
    • G02C7/06G02C7/02G02C7/04
    • G02C7/063G02C7/061
    • In a progressive multifocal lens of the present invention, the horizontal sectional shape of a refracting surface of the lower portion of a farsight portion defines a non-circular arc in which a horizontal section curvature is increased and then decreased away from an intersecting point with the principal meridional curve along a horizontal crossing curve, the horizontal sectional shape of a refracting surface of the upper portion of a nearsight portion defines a non-circular arc in which a horizontal section curvature is decreased and then made approximately constant away from an intersecting point with the meridional curve along a horizontal crossing curve, the gradient of the decrease of a horizontal section curvature is approximately constant from the upper portion of the nearsight portion to the lower portion thereof, the horizontal sectional shape of a refracting surface of the center of an intermediate portion in which a horizontal section curvature is decreased away from an intersecting point with the principal meridional curve along a horizontal crossing curve, and the gradient of the decrease of a horizontal section curvature is increased approaching the nearsight portion from the center of the intermediate portion.
    • 在本发明的渐进多焦点透镜中,远视部分的下部的折射面的水平截面形状限定了非圆弧,其中水平截面曲率增加,然后从与 沿水平交叉曲线的主子午线曲线,近视部分上部的折射表面的水平截面形状限定了非圆弧,其中水平截面曲率减小,然后远离与 沿着水平交叉曲线的子午线曲线,水平截面曲率的减小的梯度从近视部分的上部到其下部大致恒定,中间的中心的折射表面的水平截面形状 水平剖面曲率从int中减小的部分 具有沿着水平交叉曲线的主子午线曲线的非共振点,并且水平截面曲率的减小的梯度增加,从中间部分的中心接近近视部分。
    • 5. 发明授权
    • Ophthalmic lenses having progressively variable refracting power
    • 具有逐渐变化的屈光力的眼科镜片
    • US5000559A
    • 1991-03-19
    • US313892
    • 1989-02-23
    • Fumio TakahashiYasunori UenoRyuji Aizawa
    • Fumio TakahashiYasunori UenoRyuji Aizawa
    • G02C7/02
    • G02C7/063G02C7/061
    • Ophthalmic lenses having progressively variable refracting power are designed to have good aberrational balance, a wide field of view, large clear vision areas, and minimal image distortion and shift. Aberration density is reduced in a progressively variable refracting power area in a side portion of the principal meridional curve from a lower position in a portion for distance vision correction, through an intermediate portion, to a portion for near vision correction. Optical cross-sectional and longitudinally sectional shapes of the refracting surfaces optimize aberration balance in the entire area of the refracting surfaces. In the side areas, an average refracting power on the lens surface and a value associated with the Gaussian curvature are used as parameters to define lens aberration quantitatively.
    • 具有逐渐变化的屈光力的眼镜被设计为具有良好的像差平衡,宽视场,大的清晰视野区域和最小的图像失真和偏移。 在主子午线曲线的侧部中的逐渐变化的折射光焦度区域中,通过中间部分,通过中间部分到用于近视矫正的部分,从远处视力矫正部分的下部位置减小畸变密度。 折射表面的光学横截面和纵向截面形状优化折射表面的整个区域中的像差平衡。 在侧面区域中,使用透镜表面上的平均折射力和与高斯曲率相关联的值作为定量地定义透镜像差的参数。
    • 7. 发明授权
    • Ophthalmic lenses having a progressively variable focal power
    • 具有逐渐变化的焦距的眼科镜片
    • US4988182A
    • 1991-01-29
    • US313470
    • 1989-02-22
    • Fumio TakahashiYasunori UenoRyuji Aizawa
    • Fumio TakahashiYasunori UenoRyuji Aizawa
    • G02C7/06G02C7/02
    • G02C7/065G02C7/061
    • An ophthalmic lens having a progressively variable refracting power, includes a portion for distance vision which has a refracting power of a far scene along a principal meridional curve, a portion for near vision which has a refracting power of a near scene, and an intermediate portion defined between the portions for distance vision and near vision to connect these portions by continuously changing refracting power. Changes in curvature .rho.m along the principal meridional curve and curvature .rho.s along a direction perpendicular thereto are optimized on the principal meridional curve, thereby detecting an optimal shape. The curvature .rho.m along the principal meridional curve and the curvature .rho.s in a direction perpendicular to the principal meridional curve are maximum in an upper position in the portion for near vision on the principal meridional curve, decreased toward a periphery of the portion for near vision along the principal meridional curve, substantially satisfy condition .rho.m=.rho.s in an area from at least a lower position in the portion for distance vision to almost the center of the intermediate portion, and satisfy condition .vertline..rho.m-.rho.s.vertline..noteq.0 in the area from the center of the intermediate portion to the portion for near vision. The ophthalmic lens has a shape which satisfies the above requirements.
    • 具有逐渐变化的屈光力的眼科镜片包括:具有沿着主子午线曲线的远场景的折射力的远距视觉部分,具有近场景的折射力的近视的部位,以及中间部 定义在用于远距离视觉和近视的部分之间,以通过连续变化的折射力来连接这些部分。 沿着主子午线曲线和沿垂直于其的方向的曲率rho的变化在主子午线曲线上优化,从而检测最佳形状。 在主子午线曲线上的曲率以及与主子午线曲线垂直的方向上的曲率rhos在主子午线曲线近视的部分的上部位置是最大的, 沿着主子午线曲线的视觉,基本上满足从距离视野部分的至少较低位置到几乎中间部分的中心的区域中的条件rho m = rho s,并且满足条件| rho m-rho s| NOTEQUAL 0在从中间部分的中心到用于近视力的部分的区域中。 眼用透镜具有满足上述要求的形状。
    • 8. 发明授权
    • Eye examination apparatus, method for manufacturing spectacle lens, spectacle lens, method for manufacturing multifocal eyeglasses, and multifocal eyeglasses
    • 眼科检查仪器,眼镜镜片制造方法,眼镜镜片,多焦点眼镜制造方法及多焦点眼镜
    • US08262225B2
    • 2012-09-11
    • US13018541
    • 2011-02-01
    • Yasunori UenoKenichi TakahashiNorikazu Hamanaka
    • Yasunori UenoKenichi TakahashiNorikazu Hamanaka
    • A61B3/02A61B3/00
    • A61B3/1035A61B3/103
    • An eye examination apparatus includes an accommodation power acquisition unit, a corrected accommodation power calculation unit, a drive unit and an accommodative microfluctuation measurement unit. The accommodation power acquisition unit acquires an accommodation power which is determined from a difference between a near point and a distant point of an examined eye. The corrected accommodation power calculation unit calculates an integrated value of the accommodation power and a correction coefficient. The drive unit drives a vision target in a direction of an optical axis of the examined eye. The accommodative microfluctuation measurement unit controls the drive unit to cause the vision target to be arranged onto a corrected accommodation position corresponding to the integrated value, such that the accommodative microfluctuation measurement unit measures an eye accommodation function based on a frequency of appearance of a high frequency component representative of ciliary body accommodative microfluctuation.
    • 眼睛检查装置包括调节电力获取单元,校正调节力计算单元,驱动单元和调节微调测量单元。 调节力获取单元获取由检查眼睛的近点和远点之间的差确定的调节力。 校正调节力计算单元计算调节力和校正系数的积分值。 驱动单元沿被检眼的光轴的方向驱动视觉目标。 调节微量测量单元控制驱动单元以使视觉目标被布置在对应于积分值的校正的调节位置上,使得调节微调测量单元基于高频出现的频率来测量眼睛调节功能 代表睫状体调节性微血管的成分。
    • 9. 发明申请
    • EYE EXAMINATION APPARATUS, METHOD FOR MANUFACTURING SPECTACLE LENS, SPECTACLE LENS, METHOD FOR MANUFACTURING MULTIFOCAL EYEGLASSES, AND MULTIFOCAL EYEGLASSES
    • 眼睛检查装置,用于制造眼镜片的镜片,镜片镜片,制造多镜片眼镜的方法和多眼镜片
    • US20110187996A1
    • 2011-08-04
    • US13018541
    • 2011-02-01
    • Yasunori UenoKenichi TakahashiNorikazu Hamanaka
    • Yasunori UenoKenichi TakahashiNorikazu Hamanaka
    • A61B3/09G02C7/06
    • A61B3/1035A61B3/103
    • An eye examination apparatus includes an accommodation power acquisition unit, a corrected accommodation power calculation unit, a drive unit and an accommodative microfluctuation measurement unit. The accommodation power acquisition unit acquires an accommodation power which is determined from a difference between a near point and a distant point of an examined eye. The corrected accommodation power calculation unit calculates an integrated value of the accommodation power and a correction coefficient. The drive unit drives a vision target in a direction of an optical axis of the examined eye. The accommodative microfluctuation measurement unit controls the drive unit to cause the vision target to be arranged onto a corrected accommodation position corresponding to the integrated value, such that the accommodative microfluctuation measurement unit measures an eye accommodation function based on a frequency of appearance of a high frequency component representative of ciliary body accommodative microfluctuation.
    • 眼睛检查装置包括调节电力获取单元,校正调节力计算单元,驱动单元和调节微调测量单元。 调节力获取单元获取由检查眼睛的近点和远点之间的差确定的调节力。 校正调节力计算单元计算调节力和校正系数的积分值。 驱动单元沿被检眼的光轴的方向驱动视觉目标。 调节微量测量单元控制驱动单元以使视觉目标被布置在对应于积分值的校正调节位置上,使得调节微调测量单元基于高频出现的频率来测量眼睛调节功能 代表睫状体调节性微血管的成分。