Patents Represented by Attorney McDonnell Boehenen Hulbert & Berghoff LLP

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  • High sensitivity fibre optic vibration sensing device
    Patent number: 7282697
    Abstract: A vibration sensing device, an acceleration sensing system and a method of manufacturing a vibration sensing device wherein the vibration sensing device comprises a flexible disk that is mounted symmetrically about a radial plane and has a mass located on the disk substantially symmetrical about this radial plane which exerts a force that is greater towards the edge than it is towards the centre of the disk. The vibration sensing device is sensitive to on-axis signals and insensitive to cross axis signals.
    Type: Grant
    Filed: January 15, 2003
    Date of Patent: October 16, 2007
    Assignee: Qinetiq Limited
    Inventors: Sean Dormer Thomas, Mark Allen Lee, Philip John Nash, David John Hill