Method and apparatus for determining and displaying x-ray radiation by a radiographic device
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United States of America Patent
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Sep 8, 2009
Grant Date -
Jun 26, 2008
app pub date -
Dec 19, 2007
filing date -
Dec 23, 2006
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Abstract
Methods for determining and displaying x-ray radiation generated by a radiographic device may include storing in a memory a plurality of tables that correlate voltage and current values of an x-ray tube to a predicted radiation rate for a given radiographic device. Actual or approximate voltage and current values are then obtained from an operating x-ray tube. Based on these values, a predicted instant (or “dynamic”) radiation late is selected from one of the stored tables and is displayed to the practitioner. In addition, the method may approximate an accumulated radiation dose by measuring the time periods over which predicted radiation rates are generated and calculating a running total. Apparatus for conducting such methods is also disclosed.
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