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PCE
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DIFF Subgroup
H04N 3/04

having a moving aperture

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Scanning details of television systems; Combination thereof with generation of supply voltages > by optical-mechanical means only > having a moving aperture

CPC:

Scanning details of television systems; Combination thereof with generation of supply voltages > by optical-mechanical means only (H04N3/36 takes precedence) > having a moving aperture

No child classifications to compare. This is a leaf node in both IPC and CPC.