Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1992-12-29
1994-04-05
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
25022721, 356 39, 356 41, 128634, G01N 3348, A61B 500
Patent
active
053007697
ABSTRACT:
A method and system for controlling the intervals during which light signals are sampled in a fiber-optic sensing system compensates for signal artifacts that are caused by movement of the fiber-optic waveguide during the sampling. The method and system sample the light signals at intervals that are shorter than the intervals during which displacement of the optical waveguide occurs in normal use. The short-sampling intervals result in the individual sampling of different wavelengths of light being exposed to the same changes in transmission characteristics of the optical waveguide which causes signal artifacts. Accordingly, when subsequent processing of the collected signals occurs, the effects of the signal artifacts are compensated for.
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Dahlin Jeffrey J.
Duke Steven B.
Holic, Jr. John F.
Lundell William G.
Yim Jeffrey B.
Abbott Laboratories
Lee John R.
Nelms David C.
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