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PCE
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DIFF Subgroup
G11B 5/80

Card carriers

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor > Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum > Card carriers

CPC:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence) > Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum > Card carriers

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