Fiber optic rotary joint using a reflective surface and tangentially mounted rotor and stator optical fibers
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United States of America Patent
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Jun 25, 1985
Grant Date -
N/A
app pub date -
Mar 21, 1983
filing date -
Mar 21, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fiber optic rotary joint which couples an optical signal across a rotary interface includes an annular reflective wall formed on a stator and an optic fiber mounted on the stator having one end in close proximity to the annular reflective wall. A rotor includes a rotor optic fiber which has one end positioned in close proximity and tangential to the annular reflective wall. A signal emitted by one of the optic fibers will be reflected in short chordal paths along the annular reflective wall and received by the other of the optic fibers.
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