only one component having a compound lens (G02B9/30 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: only one component having a compound lens

CPC: only one component having a compound lens (G02B9/30 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – > having three components only > arranged + – + > only one component having a compound lens

CPC:

Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - (G02B15/00 takes precedence) > having three components only > arranged + - + > only one component having a compound lens (G02B9/30 takes precedence)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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G02B 9/20 the rear component having the compound IPC+CPC Available in IPC and CPC
G02B 9/22 the middle component having the compound IPC+CPC Available in IPC and CPC