US PATENT SUBCLASS 378 / 98.7
.~.~.~ With automatic image brightness control

Current as of: June, 1999
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378 /   HD   X-RAY OR GAMMA RAY SYSTEMS OR DEVICES

91  DF  ELECTRONIC CIRCUIT {7}
98  DF  .~ With display or signaling {1}
98.2  DF  .~.~ Televison {8}
98.7.~.~.~ With automatic image brightness control

DEFINITION

Classification: 378/98.7

With automatic image brightness control:

(under subclass 98.2) Subject matter wherein the X-ray television system includes means for automatically adjust or maintain constant the image brightness of the video display.

SEE OR SEARCH THIS CLASS, SUBCLASS:

97, and 108, for control of X-ray dosage.