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    • 61. 发明授权
    • Electro-optical system for cancellation of the effects of red blood cells in a sample of biological cells
    • 用于消除生物细胞样品中红细胞影响的电光系统
    • US3893767A
    • 1975-07-08
    • US40881773
    • 1973-10-23
    • COULTER ELECTRONICS
    • FULWYLER MACK JZIFFER GARRET FRANCISPAQUETTE GERARD ADELARDGILMORE MICHAEL THOMAS
    • G01N21/27G01N15/00G01N15/14G01N21/31G01N33/483G01N33/49G01N35/00G06T1/00H04N7/18G01M1/00
    • G01N15/1468G01N21/314
    • Method and apparatus for differentially analyzing biological cells, especially white blood cells, in a sample that includes red blood cells, without destroying or removing the red blood cells from the sample, such as a blood smear. Apparatus for illuminating the cell sample with light including that of approximately 415 nanometers in wavelength. White blood cells are almost transparent at this color; however, whenever the light of 415 nanometers wavelength passes through a portion of the illuminated sample that includes a red cell, a sufficient quantity of light energy is absorbed by the red cell to cause the resulting detection of light energy to be a tag signal below a chosen threshold value. Tag signals thus representative of the red blood cells can be stored in a memory such that the location of the red blood cells can be utilized for subsequent analysis of the sample when the sample is exposed to light of different wavelengths. In one such analysis, normal mature red blood cells can be distinguished from reticulocytes. Also, the signals representative of the red blood cells can be removed from an electrical representation of the entire sample.
    • 在包括红细胞的样品中差异分析生物细胞,特别是白细胞的方法和装置,而不破坏或去除样品中的红细胞,例如血液涂片。 用于用包括波长约415纳米的光照射细胞样品的装置。 这种颜色的白细胞几乎是透明的; 然而,每当415纳米的波长的光通过包含红色电池的照射样品的一部分时,足够量的光能被红色电池吸收,导致光能的检测成为低于 选择阈值。 因此,代表红细胞的标签信号可以存储在存储器中,使得当样品暴露于不同波长的光时,红细胞的位置可用于样品的随后分析。 在一个这样的分析中,正常的成熟红细胞可以与网织红细胞区分开来。 此外,可以从整个样品的电表示中去除代表红细胞的信号。
    • 62. 发明授权
    • Counter for condensation nuclei in air
    • 空气中冷凝核的计数器
    • US3850524A
    • 1974-11-26
    • US34198973
    • 1973-03-16
    • MAX PLANCK GESELLSCHAFT
    • KANTER H
    • G01J1/04G01N15/02G01N15/06G01M1/00
    • G01N15/065
    • The condensation chamber of a recording counter for small airborne dust particles is first flushed with the air to be tested by drawing the air through inlet and discharge valves by a suction pump, the chamber is sealed, and its contents are saturated with moisture while being compressed isothermally in a ratio of 1:1.18 to 1.25. Upon subsequent adiabatic decompression through a suddenly opened valve of relatively large flow section, water droplets form on the nuclei provided by dust particles and are photographed so that they may be counted on the developed film. The apparatus is operated automatically in cycles at chosen intervals.
    • 用于小型空气传播的尘埃颗粒的记录计数器的冷凝室首先通过抽吸泵通过入口和排出阀抽吸空气而被冲洗的空气,室被密封,并且其内容物被水分饱和, 以1:1.18至1.25的比例等压压缩。 在通过相当大的流动截面的突然打开的阀进行的绝热减压之后,在由灰尘颗粒提供的核上形成水滴,并且被照相以便它们可以在显影的膜上计数。 该设备以选定的间隔周期自动运行。