CT Scanner with anode scan monitor

Details CT Scanner with anode scan monitor CT Scanner with anode scan monitor

1978-04-19

1980-07-08

Smith, Alfred E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250355, A61B 600

Patent

active

042119251

ABSTRACT:
In a variant of the type of radiographic apparatus known as CT scanners a scanning X-ray tube is used to provide a planar fan-shaped distribution and to scan the distribution in its plane. Means are also provided to rotate the system about an axis perpendicular to the plane. In order to properly relate operation of the system, it is desirable to monitor the progress of the tube scan. This invention disposes a detector into the radiation and a pair of gratings acting together to modulate the radiation, incident on the detector, in relation to the scan position. The detector output is processed to give pulses which can be used to regulate the tube scan.

REFERENCES:
patent: 2946892 (1960-07-01), Bas-Taymay
patent: 3778614 (1973-12-01), Hounsfield
patent: 3866047 (1975-02-01), Hounsfield
patent: 3924129 (1975-12-01), Le May
patent: 3946234 (1976-03-01), Hounsfield
patent: 4010370 (1977-03-01), Le May
patent: 4035647 (1977-07-01), Hounsfield et al.
patent: 4123659 (1978-10-01), Oliver

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