Integrated magneto-seismic sensor

Details Integrated magneto-seismic sensor Integrated magneto-seismic sensor

1974-11-08

1976-06-29

Gill, James J.

Measuring and testing

Miscellaneous

73 712, 340 38L, 340258D, G01D 702, G01D 2104

Patent

active

039657515

ABSTRACT:
To detect and discriminate by magnetic and seismic means any metallic intruding object, sensors are emplaced in areas into which the object to be detected and identified is expected to enter. In prior like sensors, separate magnetic and seismic sensors were used. The subject invention combines the magnetic and seismic sensing functions into an integrated device, the common structure of which is sensitive to magnetic and seismic signatures simultaneously.

REFERENCES:
patent: 1948104 (1934-02-01), Firestone et al.
patent: 2429094 (1947-10-01), Kent et al.
patent: 2707776 (1955-05-01), Cruzan
patent: 3754223 (1973-08-01), Shtrikman
patent: 3754225 (1973-08-01), Gleason
patent: 3846790 (1974-11-01), Erdman et al.

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