Electricity: measuring and testing – Magnetic – Magnetometers
Reexamination Certificate
2006-03-28
2008-09-30
Aurora, Reena (Department: 2862)
Electricity: measuring and testing
Magnetic
Magnetometers
C331S065000
Reexamination Certificate
active
07429858
ABSTRACT:
In one embodiment, an integrated magnetometer has a deformable, electrically conducting beam that is mounted on a substrate and adapted to oscillate with respect to the substrate. When the oscillating beam is exposed to a magnetic field, the magnetic field induces an oscillating electromotive force that generates an oscillating electrical signal along the beam. The magnetometer has a detection circuit that detects this oscillating electrical signal and, based on the results of this detection, determines the magnetic-field strength and/or the magnetic-field gradient.
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“Theory of Amplifier-Noise Evasion in an Oscillator Employing a Nonlinear Resonator,” by B. Yurke et al., Physical Review A, May 1995, vol. 51, No. 5, pp. 4211-4229.
Greywall Dennis S.
Yurke Bernard
Aurora Reena
Lucent Technologies - Inc.
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