US Patent Class 332
MODULATORS-- Main Headings



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Current as of: June, 1999
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CLASS NOTES
100  DF  FREQUENCY SHIFT KEYING MODULATOR OR MINIMUM SHIFT KEYING MODULATOR {2}
103  DF  PHASE SHIFT KEYING MODULATOR OR QUADRATURE AMPLITUDE MODULATOR {2}
106  DF  PULSE OR INTERRUPTED CONTINUOUS WAVE MODULATOR {5}
117  DF  FREQUENCY MODULATOR {6}
144  DF  PHASE MODULATOR {3}
149  DF  AMPLITUDE MODULATOR {14}
183  DF  MODULATION CONVERTER HAVING PRE-MODULATED INPUT (E.G., FM TO AM) {1}
185  DF  MISCELLANEOUS