Portable hand held doppler fetal heart rate probe with selective power settings
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United States of America Patent
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Oct 27, 1998
Grant Date -
N/A
app pub date -
Jun 12, 1996
filing date -
Jun 12, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A probe in a hand held ultrasonic Doppler fetal heart beat detector and monitoring system comprising a crystal for transmitting ultrasonic energy, a variable power source connected to said crystal for driving the crystal at a selected power setting and a microprocessor for selecting a power setting for the variable power source.
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Family
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