Input/output, Inc.

Glen Ragan

David M Wilson

Keith Elder

Dale J Lambert

Peter Maxwell

Lawrence Philip Behn

Eugene D Bednar

Henry Thomas Polk

Michael Arthur Corrigan

Wilfred Bertrand

Jeffrey C Gannon

Byron Cain

Jeffery C Gannon

Steven L Roche

Michael George McMahon

John C Downey Jr

Hai T Pham

Method for operating and testing a sensor assembly (). The sensor assembly () preferably includes accelerometers with axes of sensitivity orthogonal to each other. The method preferably includes determining sensor tilt angle, determining the position of the sensor, and synchronizing the operation of the sensor.

Accelerometer transducer used for seismic recording

A plurality of seismic sensors calibration method ( ) includes: an assembling so that sensors are coupled with each sensor positioned with its axis of sensitivity in a different spatial direction calibration system step ( ), a rotating sensors step ( ), a measuring sensors output signals step ( ), a sensor output signal processing step ( ) and a storing calibration coefficient(s) step ( ).

Calibration of sensors

Growing community of inventors

Sugar Land, TX, United States of America

Glen Ragan