IPC Subgroup
H03D 3/14 by means of semiconductor devices having more than two electrodes
Introduced: September 1968
Last revised: January 2006
Full Title
Demodulation of angle-modulated oscillations > by detecting phase difference between two signals obtained from input signal > by combining signals additively or in product demodulators > by means of semiconductor devices having more than two electrodes
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER