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    • 1. 发明申请
    • Double progressive spectacle lens
    • 双渐进眼镜镜片
    • US20060007392A1
    • 2006-01-12
    • US11128302
    • 2005-05-13
    • Gregor EsserWalter HaimerlEdda WehnerAndrea WelkHelmut AltheimerMartin Zimmerman
    • Gregor EsserWalter HaimerlEdda WehnerAndrea WelkHelmut AltheimerMartin Zimmerman
    • G02C7/06
    • G02C7/068G02C7/061
    • A double-progressive spectacle lens in which the progressive action is distributed over the front and rear surfaces of the double-progressive spectacle lenses and described by the quotient Q Q=Addvfl/AddGesamt where Addvfl represents the increase in the surface dioptric power along the principal line on the front surface between the distance area and the near area, and ADDGesamt represents the increase in the total dioptric power along the principal line between the distance area and the near area, and the fraction Q increases with growing distance area effect F: ⅆ Q ⁡ ( F ) ⅆ F ⩾ 0.
    • 双渐进式眼镜镜片,其中逐行动作分布在双渐进式眼镜镜片的前表面和后表面上,并由商Q <β线内公式描述=“在线公式”结束=“ 引用“?> Q =添加 /添加 <?in-line-formula description =”In-line Formulas“end =”tail“?> SUB> vfl 表示沿着距离区域和近区域之间的前表面上的主线的表面屈光度的增加,并且ADD Gesamt 表示总屈光力的增加 沿着距离区域和近区域之间的主线,分数Q随着距离区域效应的增加而增加F: F 0
        • 2. 发明授权
        • Double progressive spectacle lens
        • 双渐进眼镜镜片
        • US07210779B2
        • 2007-05-01
        • US11128302
        • 2005-05-13
        • Gregor EsserWalter HaimerlEdda WehnerAndrea WelkHelmut AltheimerMartin Zimmerman
        • Gregor EsserWalter HaimerlEdda WehnerAndrea WelkHelmut AltheimerMartin Zimmerman
        • G02C7/06
        • G02C7/068G02C7/061
        • A double-progressive spectacle lens in which the progressive action is distributed over the front and rear surfaces of the double-progressive spectacle lenses and described by the quotient Q Q=Addvfl/AddGesamt where Addvfl represents the increase in the surface dioptric power along the principal line on the front surface between the distance area and the near area, and ADDGesamt represents the increase in the total dioptric power along the principal line between the distance area and the near area, and the fraction Q increases with growing distance area effect F: ⅆ Q ⁡ ( F ) ⅆ F ⩾ 0.
        • 双渐进式眼镜镜片,其中逐行动作分布在双渐进式眼镜镜片的前表面和后表面上,并由商Q <β线内公式描述=“在线公式”结束=“ 引用“?> Q =添加 /添加 <?in-line-formula description =”In-line Formulas“end =”tail“?> SUB> vfl 表示沿着距离区域和近区域之间的前表面上的主线的表面屈光度的增加,并且ADD Gesamt 表示总屈光力的增加 沿着距离区域和近区域之间的主线,分数Q随着距离区域效应的增加而增加F: F MFRAC> 0. < / MN>
            • 10. 发明申请
            • Dual-Beam Sector Antenna and Array
            • 双光束天线阵列
            • US20110205119A1
            • 2011-08-25
            • US13127592
            • 2009-11-12
            • Igor TimofeevMartin ZimmermanHuy Cao
            • Igor TimofeevMartin ZimmermanHuy Cao
            • H01Q21/08H01Q1/24H01Q3/24G01S13/00
            • H01Q3/26H01Q1/246H01Q3/28H01Q3/30H01Q3/40H01Q21/061H01Q21/24H01Q25/00H01Q25/002H01Q25/02
            • A low sidelobe beam forming method and dual-beam antenna schematic are disclosed, which may preferably be used for 3-sector and 6-sector cellular communication system. Complete antenna combines 2-, 3- or -4 columns dual-beam sub-arrays (modules) with improved beam-forming network (BFN). The modules may be used as part of an array, or as an independent 2-beam antenna. By integrating different types of modules to form a complete array, the present invention provides an improved dual-beam antenna with improved azimuth sidelobe suppression in a wide frequency band of operation, with improved coverage of a desired cellular sector and with less interference being created with other cells. Advantageously, a better cell efficiency is realized with up to 95% of the radiated power being directed in a desired cellular sector.
            • 公开了一种低旁瓣波束形成方法和双波束天线原理图,其可优选用于3扇区和6扇区蜂窝通信系统。 完整的天线将2-,3-或-4列双光束子阵列(模块)与改进的波束形成网络(BFN)相结合。 这些模块可以用作阵列的一部分,也可以用作独立的2波束天线。 通过集成不同类型的模块以形成完整的阵列,本发明提供了一种改进的双波束天线,其在宽频带操作中具有改进的方位旁瓣抑制,具有改进的期望蜂窝扇区的覆盖范围,并且通过 其他细胞。 有利地,通过高达95%的辐射功率被引导到期望的蜂窝扇区中来实现更好的小区效率。