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- Patents > 2009-10-29 > SECTION H ELECTRICITY > BASIC ELECTRONIC CIRCUITRY
- AMPLIFIERS (11)
- AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES (16)
- CODING, DECODING OR CODE CONVERSION, IN GENERAL (26)
- CONTROL OF AMPLIFICATION (1)
- DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER (3)
- GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS (2)
- IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS (6)
- PULSE TECHNIQUE (30)