Flexible probe for insertion into an auxiliary pipe extending from a main pipe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 4, 2000
Grant Date -
N/A
app pub date -
Mar 18, 1999
filing date -
May 22, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible probe for insertion into an auxiliary pipe indicates the proximity of the auxiliary pipe to a device within a main pipe. The probe includes an apparatus for generating a magnetic field for detection within the main pipe. An indicator associated with the probe generates a signal when the probe is adjacent the main pipe. The magnetic field generating apparatus includes a coil with an electronic circuit for generating an alternating current signal and also includes a switch operable when the probe contacts the main pipe.
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