IPC Main Group
H03C 3/00 Angle modulation
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- MODULATION
Scope Notes
Glossary: FM Frequency Modulation PLL PLLs Phase Locked Loop VCO Voltage Controlled Oscillator | Limiting references: Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal Modulating electromagnetic waves
Related Keywords
ANGLE(S) modulation of electric oscillations
7 direct subcodes
Child Classifications
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- H03C 3/02 Details
- H03C 3/1 by means of variable impedance
- H03C 3/3 by means of transit-time tube
- H03C 3/34 by deflection of electron beam in discharge tube
- H03C 3/36 by means of light-sensitive element
- H03C 3/38 by converting amplitude modulation to angle modulation
- H03C 3/42 by means of electromechanical devices