Fibre optic cable sensing apparatus | Patent Application Number 17906566
17906566
Not Appealed
Patent NumberUS 12270699 B2
Publication NumberUS 20230160742 A1
Filled DateFeb 26, 2021
Priority DateFeb 26, 2021
Inventor/ApplicantsRobert Ellwood
Alastair Godfrey
Alastair Godfrey
ExaminesYAZBACK, MAHER
Art Unit2877
Technology Center2800
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1. A fibre optic cable structure, comprising: an optical fibre for distributed fibre optic sensing; the fibre optic cable structure being configured to comprise: at least one longitudinal section of a first type which exhibits a first change in effective optical path length of the optical fibre in response to a given applied force and which is adjacent to at least one longitudinal section of a second type which exhibits a second change in effective optical path length of the optical fibre in response to an equivalent applied force, wherein the first change is of one polarity and the second change is of the opposite polarity.
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