IPC Subgroup
H03D 7/2 by means of transit-time tubes
Introduced: September 1968
Last revised: January 2006
Full Title
Transference of modulation from one carrier to another, e.g. frequency-changing > by means of transit-time tubes
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER