with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner > with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings

CPC:

Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner (H03J7/00, H03J9/00 take precedence; for bandspreading H03J3/10) > with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

Child Classifications

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H03J 5/0209 CPC only CPC only
H03J 5/0218 +2 CPC CPC only CPC only
H03J 5/0245 +3 CPC CPC only CPC only
H03J 5/04 operated by hand IPC+CPC Available in IPC and CPC
H03J 5/14 operated by auxiliary power +2 CPC IPC+CPC Available in IPC and CPC