Seismic sensor with thermal stabilization

Details Seismic sensor with thermal stabilization Seismic sensor with thermal stabilization

2008-05-20

2008-05-20

Lobo, Ian J (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

C367S188000

Reexamination Certificate

active

11337834

ABSTRACT:
A seismometer comprising a pressure sealed enclosure; an electrical component; an axis mechanics assembly having moving components, the axis mechanics assembly being in electrical communication with the electrical component; and a thermally insulating assembly mechanically supporting and surrounding the axis mechanics assembly for minimizing heat flow from the pressure sealed enclosure to the axis mechanics assembly and for enabling transmission of a seismic signal to the axis mechanics assembly, wherein the pressure sealed enclosure encloses the axis mechanics assembly, the thermally insulating assembly, and the electrical component.

REFERENCES:
patent: 3662327 (1972-05-01), White
patent: 4519252 (1985-05-01), McMahon
patent: 6363035 (2002-03-01), Canuteson et al.
patent: 3-138568 (1991-06-01), None
patent: 1509769 (1989-09-01), None
MJ Usher, IW Buckner and RF Burch,A miniature wideband horizontal-component feedback seismometer, Journal of Physics E: Scientific Instruments, 1977, 8 pages, vol. 10, Great Britain.
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Winifred Hanka,Which Parameters influence the Very Long Period Performance of a Seismological Station?, downloaded from http://www.gfz-potsdam.de/geofon/manual/welcome.html, on Feb. 19, 2004, GEOFON Network, 13 pages, Potsdam, Germany.
RV Jones, JCS Richards,The design and some applications of sensitive capacitance micrometers, Journal of Physics E: Scientific Instruments, 1973, pp. 589-600, vol. 6, Great Britain.
Erhard Wielandt,Seismic Sensors and their Calibration, downloaded from http://www.geophys.uni-stuttgart.de/seismometry/man—html/man—html.html, 28 pages, on Mar. 15, 2000 Stuttgart, Germany.
E. Wielandt, G. Streckeisen,The leaf-spring seismometer: design and performance, Bulletin of the Seismological Society of America, Dec. 1982, vol. 72, No. 6, pp. 2349-2367, Eidgenossische Technische Hochshule, Institute fur Geophysik, Zurich, Switzerland.
U.K. Patent Search Report dated May 15, 2006 from Great Britain Patent Application GB0601348.6.

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