APPARATUS AND METHOD FOR GENERATING A SEISMIC SIGNAL
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United States of America Patent
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Issued Date -
Sep 6, 2007
app pub date -
Feb 9, 2007
filing date -
Feb 10, 2006
priority date (Note) -
Abandoned
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Abstract
A seismic signal generating system comprises a hammer positionable to impact a baseplate assembly. An actuator acts cooperatively with the hammer to urge the hammer to impact the baseplate assembly. A friction brake is actuated to impart a friction force to the hammer. The friction force restrains motion of the hammer until the brake is released. A method of generating a seismic signal comprises coupling a hammer to an actuator. The hammer is restrained from motion using a friction brake. The friction brake is released such that the actuator urges the hammer into contact with a baseplate assembly generating a seismic signal.
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