Fiberoptic sensor using tapered and bundled fibers
Patent 5438873 Issued on August 8, 1995. Estimated Expiration Date: 
June 8, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 8, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesFlexible optical transducer Fibre optic coupler Extrinsic fiber optic displacement sensors and displacement sensing systems Gauge for measuring strong shock waves Patent #: 5315364 InventorsAssigneeApplicationNo. 255411 filed on 06/08/1994US Classes:73/705PhotoelectricExaminersPrimary: Raevis, RobertAttorney, Agent or FirmInternational ClassG01L 009/00AbstractAn improved fiberoptic pressure sensing system is disclosed by tapering the tip end of an optical fiber, or alternatively, by tapering or bundling a fiber or group of fibers within a connector. By selectively joining together fibers with a taper while tailoring numerical apertures of the connected fibers, a fiberoptic pressure sensing system is provided with an enhanced ability to increase sensitivity and signal-to-noise performance.Other References
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