IPC Subgroup
H03L 7/26 using energy levels of molecules, atoms, or subatomic particles as a frequency reference
Introduced: January 1980
Last revised: January 2006
Full Title
Automatic control of frequency or phase; Synchronisation > using energy levels of molecules, atoms, or subatomic particles as a frequency reference
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES