Maintenance of linearity of support beam
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United States of America Patent
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May 26, 1992
Grant Date -
N/A
app pub date -
Aug 15, 1989
filing date -
Aug 15, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for controlling deflections of an elongate body transverse to a longitudinal axis of the body, the system including: a sensor mounted on the body for producing an output signal when the body experiences a deflection in at least one direction transverse to its axis; heating and/or cooling elements thermally coupled to the body at a location for heating or cooling the body in a manner to thermally deflect the body in a direction transverse to the longitudinal axis; and a control unit, connected between the sensor and the heating or cooling elements, responsive to the output signal produced by the sensor.
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