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    • 3. 发明授权
    • Lens meter
    • 镜头表
    • US6061123A
    • 2000-05-09
    • US937182
    • 1997-09-29
    • Yukio IkezawaEiichi YanagiYasufumi FukumaTakeyuki Kato
    • Yukio IkezawaEiichi YanagiYasufumi FukumaTakeyuki Kato
    • G01M11/02G01B9/00
    • G01M11/0235
    • A lens meter is provided in which a measurement light beam emitted from a light source (21) is projected onto a lens (L) to be inspected, an amount in travel of the measurement light beam which has passed through the lens (L) is then detected by a TV camera (34), and the refractive characteristics of the lens (L) based on the detection result are computed by an arithmetic and control circuit (35) and are displayed by a display unit (3). In the lens meter, the arithmetic and control circuit (35) computes cylindrical power of a distance portion (40) of the lens (L) in consideration of cylindrical power and a direction of a cylindrical axis from the detection result of the TV camera (34), and then computes cylindrical power in distortion areas (42, 43) except the distance portion (40), a progressive portion (41), and a near portion (41') in consideration of the cylindrical power and the direction of the cylindrical axis. After that, the arithmetic and control circuit (35) subtracts the cylindrical power of the distance portion (40) from the cylindrical power of the distortion areas (42, 43). Based on the obtained subtraction results, the arithmetic and control circuit (35) computes boundary lines (44, 45) between the distance, progressive, and near portions (40, 41, 41') and the distortion areas (42, 43) except these portions, and allows the display unit (3) to display the boundary lines (44, 45).
    • 提供了一种透镜计,其中从光源(21)发射的测量光束投影到要检查的透镜(L)上,穿过透镜(L)的测量光束的行进量为 然后由电视摄像机(34)检测出,根据检测结果,通过算术和控制电路(35)计算透镜(L)的折射特性,并由显示单元(3)显示。 在镜头计量器中,算术和控制电路(35)根据电视摄像机的检测结果考虑圆柱形光焦度和圆柱轴线方向,计算透镜(L)的距离部分(40)的圆柱光焦度 34),然后考虑到圆柱形功率和方向的方向,计算除了距离部分(40),渐进部分(41)和近部分(41')之外的失真区域(42,43)中的圆柱形功率 圆柱轴。 之后,算术和控制电路(35)从失真区域(42,43)的圆柱形功率中减去距离部分(40)的圆柱形功率。 根据获得的减法结果,算术和控制电路(35)计算距离,渐进和近部分(40,41,41')和畸变区域(42,43)之间的边界线(44,45),除了 这些部分,并且允许显示单元(3)显示边界线(44,45)。
    • 4. 发明授权
    • Lens meter
    • 镜头表
    • US06236453B1
    • 2001-05-22
    • US09313663
    • 1999-05-18
    • Yukio IkezawaEiichi YanagiYasufumi FukumaTakeyuki Kato
    • Yukio IkezawaEiichi YanagiYasufumi FukumaTakeyuki Kato
    • G01B900
    • G01M11/0235
    • A lens meter is provided which comprises a light source for generation of a measuring light beam and a pattern forming plate provided in an optical path of the measuring light beam. The pattern forming plate has a central pattern for measuring lens characteristics of a narrow area on an eyeglass lens and a plurality of peripheral patterns for measuring lens characteristics of a wide area on the eyeglass lens. The pattern forming plate can be switched between a normal measuring mode which receives the image of the central pattern based on the measuring light beam transmitted through the narrow area of the eyeglass lens and also measures the narrow area alone and displays the measured values and a wide-area measuring mode which receives a great number of images of the peripheral patterns based on the measuring light beam transmitted through the wide area of the eyeglass lens and also measures the wide area and performs mapping display.
    • 提供一种透镜计,其包括用于产生测量光束的光源和设置在测量光束的光路中的图案形成板。 图案形成板具有用于测量眼镜镜片上的窄区域的透镜特性的中心图案和用于测量眼镜镜片上的广泛区域的透镜特性的多个外围图案。 图案形成板可以在基于透过​​眼镜镜片的狭窄区域的测量光束接收中心图案的图像的正常测量模式之间切换,并且还单独测量窄区域并显示测量值和宽 - 测量模式,其基于通过眼镜透镜的广泛区域传输的测量光束接收大量的外围图案的图像,并且还测量广域并执行映射显示。
    • 6. 发明授权
    • Lens meter
    • 镜头表
    • US5910836A
    • 1999-06-08
    • US937184
    • 1997-09-29
    • Yukio IkezawaEiichi YanagiYasufumi FukumaTakeyuki Kato
    • Yukio IkezawaEiichi YanagiYasufumi FukumaTakeyuki Kato
    • G01M11/02G01B9/00
    • G01M11/0235
    • A lens meter is provided which comprises a light source for generation of a measuring light beam and a pattern forming plate provided in an optical path of the measuring light beam. The pattern forming plate has a central pattern for measuring lens characteristics of a narrow area on an eyeglass lens and a plurality of peripheral patterns for measuring lens characteristics of a wide area on the eyeglass lens. The pattern forming plate can be switched between a normal measuring mode which receives the image of the central pattern based on the measuring light beam transmitted through the narrow area of the eyeglass lens and also measures the narrow area alone and displays the measured values and a wide-area measuring mode which receives a great number of images of the peripheral patterns based on the measuring light beam transmitted through the wide area of the eyeglass lens and also measures the wide area and performs mapping display.
    • 提供一种透镜计,其包括用于产生测量光束的光源和设置在测量光束的光路中的图案形成板。 图案形成板具有用于测量眼镜镜片上的窄区域的透镜特性的中心图案和用于测量眼镜镜片上的广泛区域的透镜特性的多个外围图案。 图案形成板可以在基于透过​​眼镜镜片的狭窄区域的测量光束接收中心图案的图像的正常测量模式之间切换,并且还单独测量窄区域并显示测量值和宽 - 测量模式,其基于通过眼镜透镜的广泛区域传输的测量光束接收大量的外围图案的图像,并且还测量广域并执行映射显示。
    • 9. 发明授权
    • Lens specifying device
    • 镜头指定装置
    • US06359684B2
    • 2002-03-19
    • US09381294
    • 1999-09-22
    • Yukio IkezawaTakeyuki KatoEiichi Yanagi
    • Yukio IkezawaTakeyuki KatoEiichi Yanagi
    • G01B900
    • G01M11/0235G01M11/0228
    • A lens specifying apparatus comprising a light source (21) for projecting a measuring light beam on a lens (30) under examination, an area CCD (35) image receiving element for receiving the measuring light beam transmitted by the lens (30) under examination, a filter disc (64) disposed, as means for providing spectral transmittances, at a midpoint of an optical path extending from the light source (21) to the area CCD (35), and a processing circuit (37) for calculating the refractive characteristics and spectral transmittances of the lens (30) under examination on the basis of an output of the area CCD (35) and displaying the refractive characteristics and spectral transmittances on a monitor (3).
    • 一种透镜指定装置,包括用于将检测光束投射在被检查的透镜(30)上的光源(21),用于接收被检查的透镜(30)透射的测量光束的区域CCD(35)图像接收元件 ,设置在从光源(21)延伸到区域CCD(35)的光路的中点处作为提供光谱透射的装置的滤光片(64),以及用于计算折射率的处理电路(37) 基于区域CCD(35)的输出检查透镜(30)的特性和光谱透射率,并在监视器(3)上显示折射特性和光谱透射率。
    • 10. 发明授权
    • Lens meter
    • 镜头表
    • US6145989A
    • 2000-11-14
    • US402480
    • 1999-11-16
    • Yukio IkezawaEiichi YanagiTakeyuki Kato
    • Yukio IkezawaEiichi YanagiTakeyuki Kato
    • G01M11/02A61B3/10
    • G01M11/0235
    • A lens meter having a projection system (5) provided with a projection light source (7) adapted to project a measuring beam onto a lens (14) to be examined, and a light receiving system (6) provided with a light receiving element (15) adapted to receive the measuring beam which has passed through the test lens (14), the optical characteristics of the test lens (14) being determined on the basis of a position in which the light receiving element (15) receives the measuring beam which has passed through the test lens, comprising a test lens turning mechanism (16) adapted to turn the test lens (14) around a center (0) of a turning movement corresponding to that of a turning movement of an eyeball in a spectacle lens-worn state.
    • PCT No.PCT / JP99 / 00577 Sec。 371日期:1999年11月16日 102(e)日期1999年11月16日PCT提交1999年2月10日PCT公布。 公开号WO99 /​​ 41582 日期1999年8月19日一种具有投影系统(5)的镜片,具有投影光源(7),该投影光源适于将测量光束投影到待检查的透镜(14)上;以及光接收系统(6) 适于接收已经通过测试透镜(14)的测量光束的光接收元件(15),测试透镜(14)的光学特性基于光接收元件(15)的位置来确定 )接收已经通过测试透镜的测量光束,包括测试透镜转动机构(16),该测试透镜转动机构(16)适于将测试透镜(14)绕转动运动的中心(0)转动 眼球在眼镜镜片佩戴状态。