Guiding record carriers not specifically of filamentary or web form, or of supports therefor (guiding cards or sheets G06K13/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Guiding record carriers not specifically of filamentary or web form, or of supports therefor

CPC: Guiding record carriers not specifically of filamentary or web form, or of supports therefor (guiding cards or sheets G06K13/00)

Full titles differ between systems:

IPC:

Guiding record carriers not specifically of filamentary or web form, or of supports therefor

CPC:

Guiding record carriers not specifically of filamentary or web form, or of supports therefor (guiding cards or sheets G06K13/00)

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

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G11B 17/005 CPC only CPC only
G11B 17/02 Details +1 CPC IPC+CPC Available in IPC and CPC
G11B 17/08 from consecutive-access magazine of disc records IPC+CPC Available in IPC and CPC
G11B 17/22 from random access magazine of disc records +4 CPC IPC+CPC Available in IPC and CPC
G11B 17/32 Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing since 1974 IPC+CPC Available in IPC and CPC
G11B 17/34 Guiding record carriers during transducing operation, e.g. for track following (G11B17/32 takes precedence) since 1985 IPC+CPC Available in IPC and CPC

Class G11,2013–2023, worldwide · Source: EPO PATSTAT

Class G11,2013–2023, worldwide · Source: EPO PATSTAT