Electricity: measuring and testing – Of geophysical surface or subsurface in situ – By aerial survey
Reissue Patent
2011-03-15
2011-03-15
Whittington, Kenneth J (Department: 2858)
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
By aerial survey
C343S707000
Reissue Patent
active
RE042217
ABSTRACT:
An airborne time domain electromagnetic surveying system is provided. The system includes a tow assembly with a flexible support frame. The flexible support frame spaced apart from the aircraft includes a transmitter section with a transmitter loop and a receiver section with a sensor aligned with the central axis of the transmitter section. The flexible support frame has a lightweight modular structure that enables the surface area of the transmitter section to be increased and decreased to suit particular survey applications. The transmitter loop sends a pulse in an “ON” interval, and in an “OFF” interval the sensor measures the earth response to the pulse. The tow assembly also includes a sensor for generating selected survey data in the “ON” interval. A transmitter driver enables the creation of earthbound pulse. The system components are linked to a computer and control computer program linked thereto for controlling the functions thereof. The invention also includes a method for producing survey data using the tow assembly of the invention.
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Kuzmin Petr Valentinovich
Morrison Edward Beverly
Tishin Pavel
Geotech Airborne Limited
Novak Druce & Quigg LLP
Whittington Kenneth J
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