| Class 332 | MODULATORS |
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![[List of Pre Grant Publications for class 332 subclass 100]](../as.gif) | ![[List of Patents for class 332 subclass 100]](../ps.gif) | 100 | FREQUENCY SHIFT KEYING MODULATOR OR MINIMUM SHIFT KEYING MODULATOR |
| | 101 |  Including logic element (e.g., logic gate or flip-flop) |
| | 102 | Including discrete semiconductor device |
| | 103 | PHASE SHIFT KEYING MODULATOR OR QUADRATURE AMPLITUDE MODULATOR |
| | 104 | Including logic element (e.g., logic gate or flip-flop) |
| | 105 | Including discrete semiconductor device |
| | 106 | PULSE OR INTERRUPTED CONTINUOUS WAVE MODULATOR |
| | 107 | Including stabilization or alternatively distortion, noise or other interference prevention, reduction or compensation |
| | 108 | Plural modulation |
| | 109 | Pulse width modulator |
| | 110 |  Including discrete semiconductor device having three or more electrodes |
| | 111 | Including electron discharge device |
| | 112 | Pulse position, frequency, phase, or spacing modulator |
| | 113 | Including discrete semiconductor device having three or more electrodes |
| | 114 | Including electron discharge device |
| | 115 | Pulse amplitude modulator |
| | 117 | FREQUENCY MODULATOR |
| | 118 | Including measuring or indicating |
| | 119 | Plural modulation |
| | 123 | Including stabilization or alternatively distortion, noise or other interference prevention, reduction, or compensation |
| | 124 | Nonlinearity reduction or compensation |
| | 125 | Automatic amplitude stabilization or control |
| | 126 | Automatic frequency stabilization or control |
| | 129 | Including microwave or distributed parameter structure |
| | 135 | Including discrete semiconductor device |
| | 137 | Including electron discharge device |
| | 144 | PHASE MODULATOR |
| | 145 | Including amplitude modulator |
| | 146 | Including discrete semiconductor device |
| | 147 | Including electron discharge device |
| | 149 | AMPLITUDE MODULATOR |
| | 150 | Including measuring or indicating |
| | 151 | Plural modulation |
| | 155 | Percent modulation control or automatic amplitude control of carrier or modulating signal |
| | 156 | Overmodulation prevention |
| | 157 | Average carrier amplitude controlled by modulating signal |
| | 158 | Carrier output suppressed during absence of modulating signal |
| | 159 | Including stabilization or alternatively distortion, noise or other interference prevention, reduction or compensation |
| | 160 | Reduction or compensation of nonlinearity in modulation characteristic |
| | 161 | Reduction of carrier phase or frequency variations or modulation |
| | 162 | Using feedback to reduce distortion, noise or other interference |
| | 163 | Including microwave or distributed parameter structure |
| | 167 | Suppressed carrier double sideband type |
| | 170 | Single or vestigial sideband type |
| | 172 | Modulating signal applied to a bridge circuit |
| | 173 | Magnetic field varied by modulating signal |
| | 174 | Resistive or dissipative device controlled by modulating signal (e.g., loss modulator) |
| | 175 | Variable reactance controlled by modulating signal |
| | 176 | Nonlinear device controlled by modulating signal |
| | 178 | Including discrete semiconductor device |
| | 179 | Including electron discharge device |
| | 183 | MODULATION CONVERTER HAVING PRE-MODULATED INPUT (E.G., FM TO AM) |
| | 185 | MISCELLANEOUS |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |