Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 14, 2010
Patent Application Number
11845273
Date Filed
August 27, 2007
Patent Primary Examiner
Patent abstract
A gravity gradiometer is described which comprises a pair of sensor bars arranged in housings. Transducers are arranged adjacent the bars for measuring movement of the bars in response to the gravity gradient tensor. At least one of the transducers has a sensing coil and a capacitor plate having a concentric arrangement with the sensing coil for providing one plate of a capacitor used in a balancing circuit for measuring the balance of the sensor mass.
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