Auscultation apparatus
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United States of America Patent
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-
Jan 28, 2003
Grant Date -
N/A
app pub date -
Sep 11, 1997
filing date -
Feb 9, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic stethoscope including a microphone, amplifying equipment, and a loudspeaker for the user, also comprises an adjustable filter circuit. The filter circuit has a bandpass effect, and the center frequency and bandwidth of the passband can be adjusted at will throughout the audible range by the user.
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Cited Art Landscape
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