Communications – electrical: acoustic wave systems and devices – Beam stabilization or compensation
Patent
1993-03-18
1994-07-19
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Beam stabilization or compensation
367130, 367106, 367 19, G01V 138
Patent
active
053316037
ABSTRACT:
A magnetic heading sensor alignment and roll reducing device is provided. A enerally cylindrical assembly has a first end and a second end. Each end has a plurality of grooves located equiangularly on a circle with the center thereof located at the cylindrical assembly's center longitudinal axis. Bearings, positioned at and supported by the first and second ends, support a magnetic heading sensor at either end thereof. The bearings provide the sensor with rotational freedom about the center longitudinal axis. A counterweight is affixed to the sensor such that its center of gravity and the sensor's center of gravity are located at a common axial loci. A plurality of longitudinal spring strips are provided to fit into corresponding ones of the grooves on the first and second ends of the cylindrical assembly. The spring strips cooperate with the inner surface of a tubular housing when the device is inserted therein. All materials used to construct the device are non-magnetic.
REFERENCES:
patent: 5034712 (1991-07-01), Strong
Baker Daniel L.
Strong David N.
Lall Prithvi C.
McGowan Michael J.
Oglo Michael F.
Pihulic Daniel T.
The United States of America as represented by the Secretary of
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