High sensitivity fibre optic vibration sensing device

Details High sensitivity fibre optic vibration sensing device High sensitivity fibre optic vibration sensing device

2007-10-16

2007-10-16

Epps, Georgia (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C073S514010

Reexamination Certificate

active

10502371

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.

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