US PATENT SUBCLASS 250 / 264
.~.~.~ Having plural detectors

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

253  DF  GEOLOGICAL TESTING OR IRRADIATION {3}
256  DF  .~ Well testing apparatus and methods {9}
262  DF  .~.~ With particular detector signal circuit {2}
264.~.~.~ Having plural detectors

DEFINITION

Classification: 250/264

(under subclass 262) Subject matter wherein there are plural detectors and the individual detectors may be connected to the same electrical circuit or to separate electrical circuits and includes methods corresponding to the apparatus.

(1) Note. Included are plural detectors connected to an anti-coincidence or coincident circuit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

265+, for well-logging circuits having plural detectors where no novelty is in the electrical circuit.