Thermal accelerometer with reduced sensitivity to external...

Details Thermal accelerometer with reduced sensitivity to external... Thermal accelerometer with reduced sensitivity to external...

2006-08-29

2006-08-29

Williams, Hezron (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

C073S514090

Reexamination Certificate

active

07096734

ABSTRACT:
The thermal accelerometer of the invention comprises an enclosure having disposed therein a central filament powered by alternating electric current of zero mean amplitude and having a frequency lying between first and second resonant modes of vibration of the central filament, the central filament lying between detector filaments adjacent to reaction filaments powered by alternating electric current of zero mean amplitude and having a frequency lying between the first and second resonant modes of vibration of the reaction filaments.

REFERENCES:
patent: 4232553 (1980-11-01), Benedetto et al.
patent: 6453571 (2002-09-01), Crossan, Jr.
patent: 0 664 456 (1995-07-01), None
patent: 2 817 351 (2002-05-01), None
Leung, A.M. et al., “Micromachined Accelerometer Based on Convection Heat Transfer”, Micro Electro Mechanical Systems, 1998. Mems 98. Proceedings., The Eleventh Annual International Workshop on Heidelberg, Germany, Jan. 25-29, 1998, New York, NY, USA, IEEE, US, pp. 627-630.

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