DIFF Subgroup
G02B 6/34 utilising prism or grating
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings > Coupling light guides > Optical coupling means > utilising prism or grating
CPC:
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings > Coupling light guides > Optical coupling means (G02B6/36, G02B6/42 take precedence) > utilising prism or grating
No child classifications to compare. This is a leaf node in both IPC and CPC.