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    • 12. 发明申请
    • AUTOMATIC ANALYZING APPARATUS
    • 自动分析仪
    • US20130243657A1
    • 2013-09-19
    • US13988083
    • 2011-10-19
    • Keiko YoshikawaHajime Yamazaki
    • Keiko YoshikawaHajime Yamazaki
    • G01N21/17
    • G01N21/17F21Y2115/10G01N21/272G01N2021/3181G01N2035/00346G01N2201/0231G01N2201/0624G01N2201/0695G01N2201/1211
    • An automatic analyzing apparatus which can make an adjustment to a target temperature so as to stabilize the light intensity of an LED and also can make the adjustment to that temperature in a short time is provided. The automatic analyzing apparatus in which an LED is used for a light source 114 includes a temperature adjusting mechanism 201 for the LED, and the temperature adjusting mechanism 201 includes a metal member 202 provided with the light source 114, a pair of metal pipes (water-flowing pipes) 203 buried in the metal member 202 and allowing constant-temperature bath water to flow therein, and pins (small metal piece members) 204 bringing only a heat-generating lead 252 of the light source 114 into direct contact with the metal member 202. Therefore, the temperature adjusting mechanism 201 can make an adjustment to a target temperature so as to stabilize the light intensity of the LED, and the adjustment to that temperature can be made in a short time.
    • 一种自动分析装置,其可以对目标温度进行调节,以稳定LED的光强度,并且还可以在短时间内对该温度进行调节。 其中LED用于光源114的自动分析装置包括用于LED的温度调节机构201,温度调节机构201包括设置有光源114的金属构件202,一对金属管(水 埋入金属构件202中并允许恒温槽水流入其中的引脚(小金属构件)204,仅使光源114的发热引线252与金属直接接触 因此,温度调节机构201可以调节目标温度以稳定LED的光强度,并且可以在短时间内对该温度进行调节。
    • 14. 发明申请
    • Detector Arrangement for Blood Culture Bottles With Colorimetric Sensors
    • 带有比色传感器的血液培养瓶的检测器布置
    • US20120021455A1
    • 2012-01-26
    • US13185898
    • 2011-07-19
    • Bradford G. Clay
    • Bradford G. Clay
    • C12Q1/04C12M1/34
    • G01N33/84C12M41/26C12M41/34C12M41/36G01N21/3151G01N21/78G01N21/783G01N21/80G01N2021/3181G01N2201/127
    • A detector arrangement for a blood culture bottle incorporating a colorimetric sensor which is subject to change of color due to change in pH or CO2 of a sample medium within the blood culture bottle. The detector arrangement includes a sensor LED illuminating the colorimetric sensor, a reference LED illuminating the colorimetric sensor, a control circuit for selectively and alternately activating the sensor LED and the reference LED, and a photodetector. The photodetector measures reflectance from the colorimetric sensor during the selective and alternating illumination of the colorimetric sensor with the sensor LED and the reference LED and generates intensity signals. The reference LED is selected to have a peak wavelength of illumination such that the intensity signals of the photodetector from illumination by the reference LED are not substantially affected by changes in the color of the colorimetric sensor.
    • 一种用于血液培养瓶的检测器装置,其包含由于血培养瓶内的样品介质的pH或CO 2的变化而使颜色变化的比色传感器。 检测器装置包括照亮比色传感器的传感器LED,照亮比色传感器的参考LED,用于选择性地和交替地激活传感器LED和参考LED的控制电路和光电检测器。 光电检测器在比色传感器与传感器LED和参考LED的选择性和交替照明期间测量来自比色传感器的反射率,并产生强度信号。 参考LED被选择为具有照明的峰值波长,使得来自参考LED的照明的光电检测器的强度信号基本上不受比色传感器的颜色的变化的影响。
    • 15. 发明授权
    • Optical product detection sensor
    • 光学产品检测传感器
    • US07924424B2
    • 2011-04-12
    • US12428738
    • 2009-04-23
    • Joseph EricksonEugene TokhtuevChristopher Owen
    • Joseph EricksonEugene TokhtuevChristopher Owen
    • G01N21/00
    • A61M5/1684A61M2205/3313G01N21/85G01N2021/3133G01N2021/3148G01N2021/3181G01N2201/0627
    • An optical detection sensor detects presence or absence of a product within a fluid delivery medium. An emitter directs radiation into the fluid delivery medium and detectors detect transmitted light at a plurality of wavelengths. The output of each detector and combinations of outputs of multiple detectors are associated with at least one out-of-product threshold. In addition, a color ratio is established. A controller compares the detector outputs and combination outputs with the associated out-of-product threshold(s). If any of the thresholds are satisfied, the controller compares the color ratio with an associated out-of-product threshold to verify an out-of-product event has occurred and reduce errors due to batch-to-batch variation of the product. The sensor is able to determine presence or absence of a variety of products having different color, transparency or turbidity.
    • 光学检测传感器检测流体输送介质内产品的存在或不存在。 发射器将辐射器引导到流体输送介质中,并且检测器检测多个波长的透射光。 每个检测器的输出和多个检测器的输出的组合与至少一个产品外阈值相关联。 另外,建立了颜色比。 控制器将检测器输出和组合输出与相关的产品外阈值进行比较。 如果满足任何阈值,则控制器将颜色比与相关的产品外阈值进行比较,以验证产品外部事件已发生,并减少由于产品的批次间变化引起的错误。 传感器能够确定具有不同颜色,透明度或浊度的各种产品的存在或不存在。
    • 19. 发明授权
    • System and method for trace species detection using cavity attenuated phase shift spectroscopy with an incoherent light source
    • 使用具有非相干光源的腔衰减相移光谱进行痕量物种检测的系统和方法
    • US07301639B1
    • 2007-11-27
    • US10987637
    • 2004-11-12
    • Paul L. KebabianAndrew Freedman
    • Paul L. KebabianAndrew Freedman
    • G01N21/00
    • G01N21/31G01N21/031G01N2021/3181
    • This invention provides a system and method that enables the use of incoherent light sources, such as light emitting diodes, to provide for the detection of gaseous species which exhibit broadband absorption features (e.g., nitrogen dioxide and the halogen gases). The light emitting diode (LED) is an ideal light source for such an arrangement in that it can be modulated at high frequencies (allowing for omission of external modulation equipment) and provides sufficient illumination within a reasonably narrow wavelength band as compared to, for instance, an incandescent light source. A further advantage of a LED as a light source compared to alternatives such as a gas discharge or arc lamp is that the light output of the LED is highly stable, limited by the stability of the current source used to drive it. Use of a confocal or near-confocal resonant optical cavity maximizes coupling of the light source to the cavity.
    • 本发明提供一种能够使用非相干光源(例如发光二极管)来提供显示宽带吸收特征(例如二氧化氮和卤素气体)的气态物质的检测的系统和方法。 发光二极管(LED)是用于这种布置的理想光源,因为它可以以高频率(允许省略外部调制设备)进行调制,并且在相当窄的波长带内提供足够的照明,例如与 ,白炽光源。 与诸如气体放电或弧光灯的替代品相比,LED作为光源的另一个优点是LED的光输出是高度稳定的,受用于驱动它的电流源的稳定性的限制。 使用共聚焦或近共聚焦共振光学腔使光源与空腔的耦合最大化。