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Title: Fiber optic inclination detector system having a weighted sphere with reference points

A fiber optic inclination detector system for determining the angular displacement of an object from a reference surface includes a simple mechanical transducer which requires a minimum number of parts and no electrical components. The system employs a single light beam which is split into two light beams and provided to the transducer. Each light beam is amplitude modulated upon reflecting off the transducer to detect inclination. The power values associated with each of the reflected light beams are converted by a pair of photodetectors into voltage signals, and a microprocessor manipulates the voltage signals to provide a measure of the angular displacement between the object and the reference surface.
  1. (Ballston Lake, NY)
Issue Date:
OSTI Identifier:
United States of America as represened by United States Department (Washington, DC) OSTI
Patent Number(s):
US 5428219
Research Org:
General Electric Company
Country of Publication:
United States
fiber; optic; inclination; detector; weighted; sphere; reference; determining; angular; displacement; surface; simple; mechanical; transducer; requires; minimum; electrical; components; employs; single; light; beam; split; beams; provided; amplitude; modulated; reflecting; detect; power; values; associated; reflected; converted; pair; photodetectors; voltage; signals; microprocessor; manipulates; provide; measure; single light; amplitude modulated; reference surface; angular displacement; electrical components; voltage signal; fiber optic; light beam; light beams; reflected light; voltage signals; optic inclination; weighted sphere; inclination detector; mechanical transducer; electrical component; /250/33/