Radiation diaphragm with filter indicator
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United States of America Patent
Stats
-
Mar 14, 2000
Grant Date -
N/A
app pub date -
Jun 23, 1998
filing date -
Jul 9, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A radiation diaphragm has an arrangement for introducing at least one radiation filter into the beam path of a radiation bundle emanating from a radiation transmitter. A light transmitter is provided for creating a light beam which optically represents the area of the radiation beam. A filter identifier is provided in the diaphragm housing for changing the color of the light beam dependent on whether a radiation filter is located in the radiation beam path. Based on the color of the light beam incident on the examination subject, it is possible to determine whether a radiation filter is located in the radiation beam path, and if so, which filter.
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