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The method used to determine the transfer value

A technology for transmitting values ​​and transmitting measurements, which is applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve problems such as complex systems and increased number of logic components, and achieve good result quality, quality improvement, and increased flexibility.

Active Publication Date: 2018-09-18
SIEMENS HEALTHCARE DIAGNOSTICS PRODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the system becomes quite complex and the number of logic elements required increases

Method used

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  • The method used to determine the transfer value
  • The method used to determine the transfer value
  • The method used to determine the transfer value

Examples

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Embodiment Construction

[0042] figure 1 The transmission measurement setup 1 shown shows how a standard lock-in amplifier operates. It firstly has a frequency generator 2 with a downstream modulator 4 . The modulator 4 modulates the signal from the frequency generator 2, which generally oscillates around zero to achieve a uniform on and off oscillation of the light source 6, which in this case is a light emitting diode. The light source 6 is thus pulsed at the frequency of the frequency generator 2 . Alternatively, it is also possible to use a continuous light source 6 with a reticle having an appropriate rotation frequency.

[0043] The light source 6 emits light through a sample 8, which in the present case is a blood sample (not shown in detail) in an automatic analysis instrument. In this case, a chemical reaction is carried out on the blood sample, during which the absorption of the light emitted by the light source 6 is determined by means of transmission measurements. The transmitted light...

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Abstract

The invention is in the field of in vitro diagnostics and relates to a method for determining the value of the transmission of an optical signal pulsed at a frequency through a sample in an automatic analytical instrument. The invention also relates to a transmission measurement device for an automatic analytical instrument comprising a light source pulsed at a frequency and a photodetector with a downstream A / D converter.

Description

technical field [0001] The invention is in the field of in vitro diagnostics and relates to a method for determining the transmission value of an optical signal pulsed at a frequency through a sample in an automatic analysis instrument. The invention also relates to a transmission measurement device for an automatic analytical instrument comprising a light source pulsed at a frequency and a photodetector with a downstream A / D converter. Background technique [0002] Currently, various detection and analysis methods for determining physiological parameters of bodily fluid samples (eg blood, plasma, serum or urine) or other biological samples are carried out in an automated manner within suitable analytical instruments. [0003] Current analytical instruments are capable of performing various types of detection reactions and analyzes on a variety of samples. Common analytical instruments used in clinical laboratories or blood banks generally include an area for supplying samp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N35/00
CPCG01N21/59G01N2201/0696G01N33/5002
Inventor 沃尔夫冈·施泰内巴赫
Owner SIEMENS HEALTHCARE DIAGNOSTICS PRODS
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