DocumentCode
1205682
Title
An LED-Transistor Photoplethysmograph
Author
Lee, Alison L. ; Tahmoush, Albert J. ; Jennings, J.Richard
Author_Institution
Walter Reed Army Institute of Research, Washington, D.C. 20012.
Issue
3
fYear
1975
fDate
5/1/1975 12:00:00 AM
Firstpage
248
Lastpage
250
Abstract
A commercial transducer combining a gallium arsenide infrared emitting diode and silicon phototransistor has been adapted for use as a photoelectric plethysmograph. This device is superior to the tungsten lamp-photoconductive cell plethysmograph generally available.
Keywords
Blood; Circuits; Gallium arsenide; Photoconductivity; Photodetectors; Phototransistors; Silicon; Transducers; Tungsten; Voltage; Blood Circulation; Electronics, Medical; Humans; Oxygen; Plethysmography; Transducers; Transistors;
fLanguage
English
Journal_Title
Biomedical Engineering, IEEE Transactions on
Publisher
ieee
ISSN
0018-9294
Type
jour
DOI
10.1109/TBME.1975.324491
Filename
4120906
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