Exit beam indicator for radiographic equipment
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United States of America Patent
Stats
-
Oct 21, 1986
Grant Date -
N/A
app pub date -
Sep 12, 1984
filing date -
Sep 12, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An indicator for indicating a dimension of an X-ray beam defined by a collimator has a base member positioned on the other side of the patient from the X-ray beam source. A pair of light sources are mounted on the base member for linear movement and for angular movement so that the beams of light may be positioned into congruency with the edges of the X-ray field defined by the collimator and converge at the source of the X-ray beam. The light sources may be moved by a cable having selectively movable segments to which the light sources are attached or by lead screws.
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Cited Art Landscape
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