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PCE
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DIFF Subgroup
G02B 27/46

Systems using spatial filters

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Optical systems or apparatus not provided for by any of the groups , > Diffraction optics > Systems using spatial filters

CPC:

Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 > Diffraction optics (G02B27/60 takes precedence) > Systems using spatial filters

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