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    • 4. 发明申请
    • LASER POWER CONTROL ARRANGEMENTS IN ELECTRO-OPTICAL READERS
    • 电光读取器中的激光功率控制装置
    • WO2010047995A1
    • 2010-04-29
    • PCT/US2009/060448
    • 2009-10-13
    • SYMBOL TECHNOLOGIES, INC.VINOGRADOV, Igor,DRZYMALA, Mark,HANDSHAW, Darran,MITELMAN, Yuly,LIU, Rong,
    • VINOGRADOV, Igor,DRZYMALA, Mark,HANDSHAW, Darran,MITELMAN, Yuly,LIU, Rong,
    • G06K7/10
    • G06K7/10584G06K7/10702G06K7/10851
    • A laser power control arrangement and method in an electro-optical reader for reading indicia includes an energizable laser for emitting a laser beam having an output power along a path. An internal light detector, e.g., a monitor photodiode, is mounted inside the laser for monitoring the output power of the laser. An external light detector, e.g., an auxiliary photodiode, is mounted outside the laser for monitoring the output power of the laser independently of the internal light detector. A guide, advantageously a light pipe or a diffuser, is positioned outside the laser in the path of the laser beam for guiding the laser beam from the laser to the external light detector. A controller is operatively connected to each light detector, for controlling a monitored output power of the laser beam by deenergizing the laser when the monitored output power of the laser beam exceeds a safe power level limit.
    • 用于读取标记的电光读取器中的激光功率控制装置和方法包括用于发射具有沿着路径的输出功率的激光束的可激励激光器。 内部光检测器,例如监视器光电二极管,安装在激光器的内部,用于监视激光器的输出功率。 外部光检测器,例如辅助光电二极管安装在激光器的外部,用于独立于内部光检测器监视激光器的输出功率。 引导件,有利地是光管或扩散器,位于激光束的路径内,用于将激光束从激光器引导到外部光检测器。 控制器可操作地连接到每个光检测器,用于当激光束的监视的输出功率超过安全功率电平限制时,通过对激光器通电来控制激光束的监视的输出功率。
    • 5. 发明申请
    • ARRANGEMENT FOR AND METHOD OF GENERATING UNIFORM DISTRIBUTED LINE PATTERN FOR IMAGING READER
    • 用于成像读取器的均匀分布式线图的生成方法和方法
    • WO2010036517A1
    • 2010-04-01
    • PCT/US2009/056620
    • 2009-09-11
    • SYMBOL TECHNOLOGIES, INC.LIU, Rong,TSI-SHI, David,YU, Ming,
    • LIU, Rong,TSI-SHI, David,YU, Ming,
    • G06K7/10
    • G06K7/10732G06K7/10831G06K7/109G06K2207/1011
    • A module and an arrangement for, as well as a method of, generating a generally uniform distributed line pattern of light on a symbol to be read by image capture employs a light source for generating light along an optical axis in a distribution having different extents along intersecting directions generally perpendicular to the axis, a linear lens array having a plurality of compound curvature lenses spaced apart from one another along one of said directions, for receiving the light from the light source, and for optically modifying the light from the light source to generate the generally uniform distributed line pattern of light on the symbol, each lens having a concave curvature for diverging the light along said one direction, and a convex curvature for collimating the light along the other of said directions, and a solid-state imager having an array of image sensors for capturing return light from the symbol over a field of view having different extents along the intersecting directions.
    • 在通过图像捕获读取的符号上产生大致均匀的光线分布线图案的模块和方法,使用沿着沿着不同程度的分布沿光轴产生光的光源 大致垂直于轴的相交方向的线性透镜阵列具有沿着所述方向中的一个彼此间隔开的多个复合曲率透镜,用于接收来自光源的光,并且用于将来自光源的光光学地修改为 在符号上产生大致均匀的光线分布线图案,每个透镜具有用于沿着所述一个方向发散光的凹曲率和用于沿着所述方向的另一个准直光的凸曲率;以及固态成像器,其具有 一组图像传感器,用于捕获沿着相交的di具有不同程度的视野的符号的返回光 rections。
    • 7. 发明申请
    • PAPER PROCESSING TOOL WITH THREE-LEVER ACTUATION
    • 具有三次执行的纸张加工工具
    • WO2009075679A1
    • 2009-06-18
    • PCT/US2007/087157
    • 2007-12-12
    • ACCO BRANDS USA LLCLIU, Rong
    • LIU, Rong
    • B26F1/02B26D5/08
    • B26F1/36B26D5/08B26D5/10B26F1/02
    • A paper processing tool (20) includes a base (32) having a receiving area (28) for selectively receiving a sheet of paper. The tool further includes a first lever(46) having a handle portion(58), the first lever(46) being pivotable relative to the base(32) about a first axis (A). An intermediate lever(64) is pivotable relative to the base (32) about a second axis (B) in response to movement of the first lever (46). At least one cutting element (24A,B,C)is arranged along a cutting plane (D4), the at least one cutting element (24A, B, C) being configured to selectively engage the sheet of paper. A drive lever (88) is actuable by the intermediate lever (64) to move the at least one cutting element (24A, B, C) relative to the base(32). The drive lever(88) is pivotable relative to the base (32) about a third axis (C) parallel to the cutting plane (D4).
    • 纸张处理工具(20)包括具有用于选择性地接收纸张的接收区域(28)的底座(32)。 所述工具还包括具有手柄部分(58)的第一杠杆(46),所述第一杠杆(46)围绕第一轴线(A)相对于所述基座可枢转。 响应于第一杠杆(46)的运动,中间杆(64)能够围绕第二轴线(B)相对于基座(32)枢转。 至少一个切割元件(24A,B,C)沿着切割平面(D4)布置,所述至少一个切割元件(24A,B,C)构造成选择性地接合纸张。 驱动杆(88)可由中间杆(64)致动,以相对于基座(32)移动至少一个切割元件(24A,B,C)。 驱动杆(88)可相对于基座(32)围绕平行于切割平面(D4)的第三轴线(C)枢转。
    • 8. 发明申请
    • CPC ILLUMINATION APPARATUS FOR AN IMAGING-BASED BAR CODE READER
    • 基于成像的条码读取器的CPC照明设备
    • WO2009070435A1
    • 2009-06-04
    • PCT/US2008/082970
    • 2008-11-10
    • SYMBOL TECHNOLOGIES, INC.YU, MingLIU, RongHE, Duanfeng
    • YU, MingLIU, RongHE, Duanfeng
    • G06K9/00
    • G06K7/10732G02B3/0062G02B27/0966G06K7/10742G06K2207/1011
    • An illumination apparatus for an imaging-based bar code reader having a field of view defined by an imaging system of the bar code reader directed toward a target bar code. The illumination apparatus includes: a collector cup comprising a compound parabolic concentrator and defining a longitudinal axis; an illumination source positioned to direct illumination toward a first end of the collector cup, the collector cup directing illumination from the illumination source toward a second end of the collector cup; a first lens array positioned at the second end of the collector cup orthogonal to the collector cup longitudinal axis to receive and focus illumination from the collector cup and a second lens array orthogonal to the collector cup longitudinal axis receiving focused illumination from the first lens array. The lens arrays combining to focus illumination from the collector cup into an illumination pattern.
    • 一种用于基于成像的条形码读取器的照明装置,其具有由朝向目标条形码的条形码读取器的成像系统限定的视场。 照明装置包括:收集器杯,其包括复合抛物面聚光器并限定纵向轴线; 定位成朝向收集杯的第一端引导照明的照明源,收集器杯将照明源的照明引导到收集杯的第二端; 第一透镜阵列,位于收集器杯的与收集器杯纵向轴线正交的第二端处,以接收和聚焦来自收集器杯的照明;以及第二透镜阵列,其与收集器杯纵向轴线正交,从第一透镜阵列接收聚焦照明。 组合的透镜阵列将来自收集杯的照明聚焦成照明图案。