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    • 24. 发明授权
    • Workplace screen lens
    • 工作场合屏幕镜头
    • US07338162B2
    • 2008-03-04
    • US10576929
    • 2004-10-25
    • Helmut AltheimerGregor EsserWalter HaimerlEdda WehnerAndrea Welk
    • Helmut AltheimerGregor EsserWalter HaimerlEdda WehnerAndrea Welk
    • G02C7/06
    • G02C7/065G02C7/061G02C7/066
    • A workplace screen lens, having a workplace screen lens optimized at the middle of the lens for the middle viewing distances of approximately 60 centimeters to approximately 90 centimeters, and the progressive channel at the middle of the lens is at least 4 millimeters wide. The effect increases from the middle of the lens toward the bottom with the vertical coordinate y equal to approximately 0, reaching a near vision zone with an essentially constant effect at y equal to approximately −12 millimeters. The progressive channel has a width of least 15 millimeters in the near vision zone, preferably at the near-reference point, the effect decreases from the middle of the lens up to y equal to approximately +10 millimeters to approximately +12 millimeters above the middle of the lens. The progressive length amounts to approximately 20 millimeters to approximately 25 millimeters, the main progressive length is between approximately 7 millimeters and approximately 12 millimeters, and the minimum width of the progressive channel amounts to at least 4 millimeters.
    • 工作场所屏幕镜头,在镜头中间优化了工作场所屏幕镜头,中间观看距离约为60厘米至约90厘米,而透镜中间的渐进通道至少为4毫米宽。 效果从透镜的中部向底部增加,垂直坐标y等于大约0,达到近似视觉区域,在y等于大约-12毫米处具有基本恒定的效果。 渐进通道在近视区内的宽度至少为15毫米,优选在近参考点,效果从透镜中间减小至y等于大约+10毫米至大约+12毫米高于中间 的镜头。 渐进长度约为20毫米至约25毫米,主渐进长度在约7毫米至约12毫米之间,渐进通道的最小宽度至少为4毫米。
    • 25. 发明申请
    • Workplace Screen Lens
    • 工作场所屏幕镜头
    • US20070252949A1
    • 2007-11-01
    • US10576929
    • 2004-10-25
    • Helmut AltheimerGregor EsserWalter HaimerlEdda WehnerAndrea Welk
    • Helmut AltheimerGregor EsserWalter HaimerlEdda WehnerAndrea Welk
    • G02C7/06
    • G02C7/065G02C7/061G02C7/066
    • A workplace screen lens, having a workplace screen lens optimized at the middle of the lens for the middle viewing distances of approximately 60 centimeters to approximately 90 centimeters, and the progressive channel at the middle of the lens is at least 4 millimeters wide. The effect increases from the middle of the lens toward the bottom with the vertical coordinate y equal to approximately 0, reaching a near vision zone with an essentially constant effect at y equal to approximately −12 millimeters. The progressive channel has a width of least 15 millimeters in the near vision zone, preferably at the near-reference point, the effect decreases from the middle of the lens up to y equal to approximately +10 millimeters to approximately +12 millimeters above the middle of the lens. The progressive length amounts to approximately 20 millimeters to approximately 25 millimeters, the main progressive length is between approximately 7 millimeters and approximately 12 millimeters, and the minimum width of the progressive channel amounts to at least 4 millimeters.
    • 工作场所屏幕镜头,在镜头中间优化了工作场所屏幕镜头,中间观看距离约为60厘米至约90厘米,而透镜中间的渐进通道至少为4毫米宽。 效果从透镜的中部向底部增加,垂直坐标y等于大约0,达到近似视觉区域,在y等于大约-12毫米处具有基本恒定的效果。 渐进通道在近视区内的宽度至少为15毫米,优选在近参考点,效果从透镜中间减小至y等于大约+10毫米至大约+12毫米高于中间 的镜头。 渐进长度约为20毫米至约25毫米,主渐进长度在约7毫米至约12毫米之间,渐进通道的最小宽度至少为4毫米。