Method and means for measuring geophone parameters

Details Method and means for measuring geophone parameters Method and means for measuring geophone parameters

1980-06-30

1981-10-20

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

73 1DV, G01V 1300

Patent

active

042964830

ABSTRACT:
A geophone testing apparatus includes a plurality of force detectors upon each of which is mounted a corresponding geophone. An electrical step function is applied to the active elements of the geophones to generate mechanical output transients. The mechanical output transients are detected by the force detectors which generate corresponding electrical signals. The signals are analyzed to determine the sensitivity, damping and natural frequency of each of the geophones under test. A multiplexer is provided so that all of the geophones may be tested at the same time.

REFERENCES:
patent: 2748348 (1956-05-01), McCarter
patent: 2796756 (1957-06-01), Yates et al.
patent: 3959770 (1976-05-01), Schaefer
patent: 4043175 (1977-08-01), Fredriksson et al.
patent: 4233677 (1980-11-01), Brown et al.

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