G - Physics – 01 – H
Patent
G - Physics
01
H
349/65
G01H 11/08 (2006.01) G01V 1/20 (2006.01)
Patent
CA 1284210
ABSTRACT A pressure sensing transducer comprises a central region which comprises a potting material and which is surrounded by a helix of piezo electric coaxial cable. The transducer includes a barrier that suppresses transmission of external pressure variations to the central region. In addition, the overall radial stiff- ness of the potting material and barrier is suf- ficiently low that the electrical signal generated by the coaxial cable have a d31 polarity (corresponding to axial stretching and contracting of the cable).
524503
Atkinson Edward Browell
Barnett Peter Nicholas
Booth Michael Charles
Fox David Richard
Penneck Richard John
Fetherstonhaugh & Co.
Focas Limited
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