Radiant energy – Inspection of solids or liquids by charged particles – Analyte supports
Patent
1977-11-14
1979-09-18
Smith, Alfred E.
Radiant energy
Inspection of solids or liquids by charged particles
Analyte supports
250409, 250413, A61B 602, H05G 120, H05G 122
Patent
active
041684362
ABSTRACT:
Computed tomography apparatus having a continuously rotating X-ray projection and detection unit and circuits for controlling the X-ray tube to produce a radiation pulse of predetermined amplitude and duration for each increment of angular motion of the rotating unit. The X-ray tube is controlled by high-voltage switching elements which apply a voltage pulse of precisely measured duration from a charging circuit which supplies a controlled level DC voltage for driving the X-ray tube. A main control circuit responds to position indicating signals from the rotating unit to repetitively operate the charging circuit and the switching elements whereby highly reproducible X-ray pulses irradiate a subject under examination to enable generation of high quality sectional images, i.e., tomograms.
REFERENCES:
patent: 2879404 (1959-03-01), Rogers et al.
patent: 3069548 (1962-12-01), Bavor et al.
patent: 3333104 (1967-07-01), Bougle
patent: 4048503 (1977-09-01), Taylor
Aradate Hiroshi
Suzuki Tooru
Grigsby T. N.
Smith Alfred E.
Tokyo Shibaura Electric Co. Ltd.
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