G - Physics
01
B
33/185
G01B 5/12 (2006.01)
Patent
CA 1104341
FLUXGATE CALIPER Abstract of the Disclosure. A borehole measuring instru- ment is disclosed which has a plurality of borehole engaging mem- bers pivotally attached by articulated mechanical arm assemblies to the instrument body. A mechanical correction linkage connects one of the arm assemblies to a signal initiator slidably located in the body, which interacts with a stationary signal generator in the body to create a signal proportional to the amount of ex- tension of the arm assemblies. In one embodiment, a magnetic fluxgate was utilized as a signal generator and a magnet was utilized as the initiator. -1a-
301023
Lichtenberg Heinz D.
Roesner Raymond E.
Dresser Industries Inc.
Macrae & Co.
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