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    • 21. 发明授权
    • Hand-gripable presentation marker carrier
    • 手持式显示标记载体
    • US08032966B1
    • 2011-10-11
    • US11187102
    • 2005-07-23
    • Scott Keller
    • Scott Keller
    • B47L21/00
    • B43L21/00B43K23/001B43K23/08B43L21/04
    • A hand-gripable presentation marker carrier is disclosed for holding and quickly accessing a plurality of different color presentation markers. The carrier includes a hand-gripable support element including a plurality of marker-tip receiving structures disposed along a surface of the hand-gripable support element, the surface of the hand-gripable support element supporting each of the marker-tip receiving structures. The carrier can also include an eraser housing for receiving an eraser assembly. The plurality of presentation markers are held perpendicularly with respect to the surface of the support element, and each marker-tip receiving structure is shaped so as to grip a marker at its tip-end and hold it to the common hand-gripable support element regardless of the orientation of the common hand-gripable support element. The eraser assembly is sized such that it fits snugly within the eraser housing, and can be inserted and removed from the eraser housing with convenient and comfortable force.
    • 公开了用于保持和快速访问多个不同颜色呈现标记的手持式表示标记载体。 载体包括可手握的支撑元件,其包括沿着手持式支撑元件的表面设置的多个标记 - 尖端接收结构,手持式支撑元件的表面支撑每个标记尖端接收结构。 载体还可以包括用于接收橡皮擦组件的橡皮擦外壳。 多个呈现标记相对于支撑元件的表面垂直地保持,并且每个标记 - 尖端接收结构被成形为在其尖端处握住标记物并且将其保持在普通的可手持支撑元件上 的普通手持支撑元件的方向。 橡皮擦组件的尺寸使其适合贴合在橡皮擦外壳内,并可以方便舒适的力量从橡皮擦外壳中插入和取出。
    • 23. 发明授权
    • Multi-wavelength based ozone measurement method and apparatus
    • 基于多波长的臭氧测量方法和装置
    • US6010665A
    • 2000-01-04
    • US953157
    • 1997-10-17
    • Victor J. DosoretzBaruch MazorScott KellerDaniel Behr
    • Victor J. DosoretzBaruch MazorScott KellerDaniel Behr
    • G01J3/42G01N21/31G01N21/29
    • G01N21/3151G01J3/42G01N21/31
    • Systems and methods for providing an ultra-stable measurement of the density of a fluid/gas species such as ozone in a mixture. The technique is based on information extracted from multi-wavelength light absorption, at which the species exhibits different absorption properties (coefficient values). The technique provides real-time compensation for short- and long-term instability in the light source and detector, and for detectable changes in the optical characteristics of the cell, thus improving the accuracy of the measurement while making frequent zeroing of the instrument unnecessary. In addition, the invention provides a high-performance technique for measuring ultra-high ozone densities using absorption at the Chappuis band.The invention provides in an embodiment a system and method for detection of a gas component such as ozone in a gas mixture utilizing a light source providing light output in the visible spectrum corresponding to maximum and minimum absorption wavelengths for the gas component of interest. A process gas containing ozone or other gas component to be measured is supplied to a cell or cuvette having an optical input end and an optical output end. The light sources are desirably coupled to a first ("sample") optical path which provides light from the sources to the optical input end of the cell, and to a second ("reference") optical path which does not pass through the sample gas. A sensor apparatus is disposed to receive the light transmitted through the cell, and through the second optical path. The second optical path serves as a reference path, while the first optical path serves as a measurement path. The sensor apparatus provides electrical outputs representative of the intensity of light impinging thereon, the outputs being provided to a processor operative to calculate the concentration of the ozone or other gas component of interest in the gas cell.
    • 用于提供混合物中流体/气体物质如臭氧的密度的超稳定测量的系统和方法。 该技术基于从多波长光吸收中提取的信息,其中该物种具有不同的吸收特性(系数值)。 该技术为光源和检测器中的短期和长期不稳定性提供实时补偿,以及对电池的光学特性的可检测变化,从而在不需要频繁调零仪器的同时提高测量精度。 另外,本发明提供了一种利用Chappuis带吸收测量超高臭氧密度的高性能技术。 本发明在一个实施方案中提供了一种用于在气体混合物中检测诸如臭氧的气体组分的系统和方法,所述气体混合物利用提供对于感兴趣的气体组分的最大和最小吸收波长的可见光谱中的光输出的光源。 将含有待测量的臭氧或其他气体成分的工艺气体供给具有光学输入端和光学输出端的电池或比色皿。 光源期望地耦合到第一(“采样”)光路,其提供从光源到光电输入端的光以及不通过样品气体的第二(“参考”)光路 。 设置传感器装置以接收透过单元的光,并通过第二光路。 第二光路用作参考路径,而第一光路用作测量路径。 传感器装置提供表示入射到其上的光的强度的电输出,该输出被提供给处理器,该处理器可操作以计算气体池中感兴趣的臭氧或其它气体成分的浓度。