DIFF Main Group
G11B 17/00 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 Title
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.
Child Classifications
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- 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