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Synchronous wavelength drive and data acquisition conversion for a sequential spectrophotometer

  • US 4,660,977 A
  • Filed: 02/22/1985
  • Issued: 04/28/1987
  • Est. Priority Date: 02/22/1985
  • Status: Expired due to Term
First Claim
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1. A sequential spectrophotometer system having a light source, a scanning monochromator device having a movable prism, a stepper motor coupled to the monochromator for periodically changing the monochromator device wavelength, a photomultiplier for detecting the intensity of the output light from the monochromator device and providing an electrical signal corresponding thereto, data acquisition means responsive to the electrical signal from the photomultiplier for measuring same, and a recording device for providing indicia representative of the measured electrical signal, the improvement comprising:

  • means for effecting a data acquisition during a prism displacement.

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