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Optasense Holdings Limited patents (2018 archive)

Recent patent applications related to Optasense Holdings Limited. Optasense Holdings Limited is listed as an Agent/Assignee. Note: Optasense Holdings Limited may have other listings under different names/spellings. We're not affiliated with Optasense Holdings Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "O" | Optasense Holdings Limited-related inventors

Optic fibre sensing

A fibre sensing apparatus (100) comprises an interrogation unit (104) to interrogate a sensing fibre with optical radiation, and to detect an optical signal returned from the fibre, and processing circuitry (114). A portion of the fibre may be excited with a test signal. ... Optasense Holdings Limited

Detection of anomalies in rail wheelsets

This application relates to methods and apparatus for the detection of anomalies in the wheelsets of rail vehicles, for instance for detection of defects such as wheel flats (303) of a wheel (301). The method using a distributed acoustic sensor (106) having a sensing optical fibre (104) deployed along at least part of a rail track (201) as a train (202) moves along that part of the track. ... Optasense Holdings Limited

Monitoring of power cables with distributed fibre optic sensing

This application relates to methods and apparatus for monitoring power cables (100) carrying multiple ac phases to detect deformation of the power cable. A distributed fibre optic interrogator unit (302) is used to interrogate a sensing optical fibre (301) coupled to the power cable to provide a measurement signal from each of a plurality of longitudinal sensing portions of the sensing optical fibre. ... Optasense Holdings Limited

Detecting failure locations in power cables

This application relates to methods and apparatus for determining the location of a fault (204) in a power cable (100) of a power distribution network. The method involves monitoring at least one electrical parameter of the power distribution network to detect the occurrence of a fault in the power cable and determine at least one time window (twin) for the occurrence of the fault. ... Optasense Holdings Limited

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Optasense Holdings Limited in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Optasense Holdings Limited with additional patents listed. Browse our Agent directory for other possible listings. Page by