Electronic Integrator for Measurement of Partitions of the Lung Volume An electronic integrator, for use with an airflow meter, was designed to overcome the disadvantages of respirometers when used for research in speech breathing physiology, such as the inherent inertia which may produce an undesirable impedance to the expiratory airstream. An effort was also made to overcome certain limitations of ... Research Article
Research Article  |   December 01, 1968
Electronic Integrator for Measurement of Partitions of the Lung Volume
 
Author Affiliations & Notes
  • James C. Hardy
    The University of Iowa, Iowa City, Iowa
  • Terry D. Edmonds
    The University of Iowa, Iowa City, Iowa
Article Information
Research Articles
Research Article   |   December 01, 1968
Electronic Integrator for Measurement of Partitions of the Lung Volume
Journal of Speech, Language, and Hearing Research, December 1968, Vol. 11, 777-786. doi:10.1044/jshr.1104.777
History: Received April 1, 1968
 
Journal of Speech, Language, and Hearing Research, December 1968, Vol. 11, 777-786. doi:10.1044/jshr.1104.777
History: Received April 1, 1968

An electronic integrator, for use with an airflow meter, was designed to overcome the disadvantages of respirometers when used for research in speech breathing physiology, such as the inherent inertia which may produce an undesirable impedance to the expiratory airstream. An effort was also made to overcome certain limitations of integrators which restrict their use. The experimental instrument has minimal drift and a nearly infinite discharge time constant. Also, it may provide for the simultaneous recording of partitions of lung volume and airflow rate.

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