Phonopneumograph possible for real-time
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Yukihiko Homma; Michiyuki Matsuzaki; Hideki Ogasawara; Mitsuru Munakata
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Article
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1985
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Elsevier Science
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English
β 514 KB
We constructed a new phonopneumograph that provides real-time tracing of lung sounds at a high speed without the steps of memory and playback by use of a thermal printer system. Accuracy of the recorded wave form was considered adequate even at the maximum speed of 750 mm/sec for detailed wave form