Airborne gravity surveying
First Claim
1. Apparatus for airborne gravity surveying which comprisesan airborne vehicle,means on said vehicle for controlling the flight of said vehicle along a preplotted path at a preselected level responding to vertical movement, including means to move the vehicle vertically without changing its pitch,said controlling means comprising a plurality of altimeters for determining the preselected level for correction of the path of the vehicle and providing signals for recording on a tape,said controlling means comprising navigating means providing signals for recording on a tape for indicating deviation of the flight of the vehicle from the preplotted path vertically and horizontally and for correction of the path of the vehicle,signal means including gravity meter and magnetic means providing signals for recording on a tape,means for digitalizing the signals from said gravity meter means at a predetermined sample rate and at a high order of sensitivity,recording means including a tape for recording signals from said altimeter means, said navigation means, said signal means and said digitalizing means, andcomputer means for indicating the departure of the vehicle from the preplotted path.
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Accused Products
Abstract
Method and apparatus are disclosed for airborne gravity surveying in which the airborne vehicle is stabilized with respect to speed, direction of heading and altitude, and in which the gravity meter has adequate sensitivity and signals that are recorded at a high sample rate on a magnetic tape, in which the aircraft position is computed using a multi-range navigation system that is located geodetically.
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Citations
17 Claims
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1. Apparatus for airborne gravity surveying which comprises
an airborne vehicle, means on said vehicle for controlling the flight of said vehicle along a preplotted path at a preselected level responding to vertical movement, including means to move the vehicle vertically without changing its pitch, said controlling means comprising a plurality of altimeters for determining the preselected level for correction of the path of the vehicle and providing signals for recording on a tape, said controlling means comprising navigating means providing signals for recording on a tape for indicating deviation of the flight of the vehicle from the preplotted path vertically and horizontally and for correction of the path of the vehicle, signal means including gravity meter and magnetic means providing signals for recording on a tape, means for digitalizing the signals from said gravity meter means at a predetermined sample rate and at a high order of sensitivity, recording means including a tape for recording signals from said altimeter means, said navigation means, said signal means and said digitalizing means, and computer means for indicating the departure of the vehicle from the preplotted path.
Specification
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- Resources
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Current AssigneeCarson Services Incorporated
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Original AssigneeCarson Helicopters, Inc.
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InventorsCarson, Franklin D., Gumert, William R.
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Primary Examiner(s)Gill, James J.
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Application NumberUS06/309,906Time in Patent Office886 DaysField of Search73/382, 324/330, 324/331US Class Current73/382.00RCPC Class CodesG01V 7/16 specially adapted for use o...
