Slit radiography apparatus
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United States of America Patent
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May 20, 1997
Issued Date -
N/A
app pub date -
Jul 31, 1996
filing date -
Feb 1, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A slit radiography apparatus is provided with an absorption device comprising electrically controllable piezoelectric tongues. Upper and/or lower deflections of the tongues are limited to a maximum by trips outside the X-ray fan beam. More than one strip can be present as seen in the length direction from the fixed ends of the tongues Thus deflections of the tongues are limited and great phase changes in the control signals without resultant oscillations can take place during the time the tongue are restricted in their movement by the strip.
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Cited Art Landscape
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