Scanning apparatus and method
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United States of America Patent
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-
Nov 29, 1988
Issued Date -
N/A
app pub date -
Jan 14, 1987
filing date -
Jul 23, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A scanning apparatus and method for scanning an object including a frame, a transducer for obtaining information from an object and a motor oscillating the transducer. The motor comprises a spring/solenoid combination driven at the resonant frequency of the spring/motor system. The actual displacement of the transducer is measured and compared to a desired displacement to provide a control signal to the motor. The scanning apparatus is at least partially enclosed by a housing containing a heat transfer fluid for damping the resonant vibration of the apparatus.
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