Method and apparatus for measuring acceleration and vibration using freely suspended fiber sensor
Patent 6008898 Issued on December 28, 1999. Estimated Expiration Date: 
April 25, 2016. 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.
April 25, 2016. 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 References 3602037 Flat tactile sensor Temperature compensated fiber fabry-perot filters Interferometric fiber optic displacement sensor Patent #: 5420688 InventorsAssigneeApplicationNo. 637872 filed on 04/25/1996US Classes:356/519, Having partially reflecting plates in series (e.g., Fabry-Perot type)250/227.19, With coherent interferrometric light356/477Using fiber or waveguide interferometerExaminersPrimary: Turner, Samuel A.Attorney, Agent or FirmForeign Patent References
International ClassG01B 009/02Foreign Application Priority Data1995-04-26 DEAbstractAn arrangement for measuring acceleration and vibration employs a fiber-optic interferometer comprising a monomode optical fiber through which light is guided and, having exited the fiber, is then reflected back therethrough, the exit end of the fiber being capable of transverse vibrations.Other References
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