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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G03B 33/10

Simultaneous recording or projection (G03B33/02, G03B33/04 G03B33/06 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Simultaneous recording or projection

CPC: Simultaneous recording or projection (G03B33/02, G03B33/04 G03B33/06 take precedence)

Full Title

Full titles differ between systems:

IPC:

Colour photography, other than mere exposure or projection of a colour film > Simultaneous recording or projection

CPC:

Colour photography, other than mere exposure or projection of a colour film (printing apparatus G03B27/00; stereoscopic colour photography G03B35/00) > Simultaneous recording or projection (G03B33/02, G03B33/04 G03B33/06 take precedence)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G03B 33/12 using beam-splitting or beam-combining systems, e.g. dichroic mirrors IPC+CPC Available in IPC and CPC
  • G03B 33/14 using lenticular screens (integral with film G03C) IPC+CPC Available in IPC and CPC
  • G03B 33/16 using colour-pattern screens (integral with film G03C) IPC+CPC Available in IPC and CPC