Self leveling sensor/device package

Details Self leveling sensor/device package Self leveling sensor/device package

1996-04-29

1998-10-06

Hofsass, Jeffery

Communications: electrical

Continuously variable indicating

34087007, 248638, 74 55, G08C 1916

Patent

active

058183531

ABSTRACT:
Self leveling apparatus that includes a frame, a device that is to be leveled, and a leveling mechanism such as a double ring gimbal having an inner gimbal ring and an outer gimbal ring. The outer gimbal ring is secured to the frame and the inner gimbal ring is secured to the device and to the outer ring. The inner ring comprises a viscous or preloaded bearing that allows the device to swing around an inner ring axle to thereby level itself in that axis and prevent spurious movement of the device. The outer gimbal ring and inner gimbal ring are attached by outer axles that comprise a viscous or preloaded bearing that allow the inner gimbal ring to swing around the outer axles thereby level the inner gimbal ring in that axis and prevent spurious movement of the device. A disclosed embodiment of the invention includes a magnetometer sensor that is coupled to signal processing and telemetry electronics and a power source that are leveled to keep axes of the sensor oriented along horizontal and vertical axes.

REFERENCES:
patent: 4520973 (1985-06-01), Clark et al.
patent: 4854703 (1989-08-01), Ammann
patent: 5368271 (1994-11-01), Kiunke et al.
patent: 5419212 (1995-05-01), Smith

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