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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G02F 2/02

Frequency-changing of light, e.g. by quantum counters

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light > Frequency-changing of light, e.g. by quantum counters

CPC:

Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light (G02F1/35 takes precedence) > Frequency-changing of light, e.g. by quantum counters

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