Journal of Capital Medical University ›› 1989, Vol. 10 ›› Issue (3): 203-206.

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Extension of the Function of a Polygraph by a Microcomputer

Ruan Jian1, Niu Weizhen2   

  1. 1. Department of Experiment Supervisino, Capital Institute of Medicine;2. Department of Physiology, Capital Institute of Medicine
  • Received:1987-09-15 Revised:1900-01-01 Online:1989-07-15 Published:1989-07-15

Abstract: A signal acquisition and output system controlled by a microcomputer was used to extend the function of polygraph (Model SJ-41). As a result, its frequency response increased to 1000Hz. His bundle electrograms of the rabbit and guinea pig in situ could be clealy recorded by using this technique.

Key words: microcomputer, polygraph, His bundle electrogram, rabbit