Structural form of radiating elements, e.g. cone, spiral, umbrella; (H01Q1/08, H01Q1/14 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Structural form of radiating elements, e.g. cone, spiral, umbrella

CPC: Structural form of radiating elements, e.g. cone, spiral, umbrella; (H01Q1/08, H01Q1/14 take precedence)

Full Title

Full titles differ between systems:

IPC:

Details of, or arrangements associated with, antennas > Structural form of radiating elements, e.g. cone, spiral, umbrella

CPC:

Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00) > Structural form of radiating elements, e.g. cone, spiral, umbrella; (H01Q1/08, H01Q1/14 take precedence)

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

Child Classifications

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H01Q 1/362 CPC only CPC only
H01Q 1/364 +2 CPC CPC only CPC only
H01Q 1/38 formed by a conductive layer on an insulating support IPC+CPC Available in IPC and CPC