US PATENT SUBCLASS 324 / 207.18
.~.~.~.~.~ Differential type (e.g., LVDT)

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

200  DF  MAGNETIC {24}
207.11  DF  .~ Displacement {7}
207.13  DF  .~.~ Having particular sensor means {4}
207.15  DF  .~.~.~ Inductive {1}
207.16  DF  .~.~.~.~ Electrically energized {3}
207.18.~.~.~.~.~ Differential type (e.g., LVDT)

DEFINITION

Classification: 324/207.18

Differential type (e.g., LVDT):

(under subclass 207.16) Subject matter wherein (1) a sensor measures two separate stimuli and provides an output proportionate to the difference between them or (2) a transformer uses two or more primary sensor signals, or (3) a transformer uses two or more secondary sensor signals to provide a differential output.

(1) Note. LVDT is an abbreviation meaning linear variable differential transformer.