US PATENT SUBCLASS 250 / 300
.~.~.~.~ With detector control or regulating

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

281  DF  IONIC SEPARATION OR ANALYSIS {7}
294  DF  .~ Static field-type ion path-bending selecting means {3}
298  DF  .~.~ Magnetic field path-bending means {1}
299  DF  .~.~.~ With detector {1}
300.~.~.~.~ With detector control or regulating

DEFINITION

Classification: 250/300

(under subclass 299) Subject matter including means to change the response of the ion responsive means or to keep it constant.