Angle modulation (H03C5/00, H03C7/00 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Angle modulation

CPC: Angle modulation (H03C5/00, H03C7/00 take precedence)

Full titles differ between systems:

IPC:

Angle modulation

CPC:

Angle modulation (H03C5/00, H03C7/00 take precedence)

Of 8 combined children, 7 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

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H03C 3/005 CPC only CPC only
H03C 3/02 Details IPC+CPC Available in IPC and CPC
H03C 3/10 by means of variable impedance (H03C3/30 - H03C3/38 take precedence) IPC+CPC Available in IPC and CPC
H03C 3/30 by means of transit-time tube IPC+CPC Available in IPC and CPC
H03C 3/34 by deflection of electron beam in discharge tube IPC+CPC Available in IPC and CPC
H03C 3/36 by means of light-sensitive element IPC+CPC Available in IPC and CPC
H03C 3/38 by converting amplitude modulation to angle modulation IPC+CPC Available in IPC and CPC
H03C 3/42 by means of electromechanical devices (H03C3/28 takes precedence) since 1980 IPC+CPC Available in IPC and CPC