Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G11B 5/40

Protective measures on heads, e.g. against excessive temperature (G11B5/31 takes precedence; protection against wear G11B5/255 )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Protective measures on heads, e.g. against excessive temperature

CPC: Protective measures on heads, e.g. against excessive temperature (G11B5/31 takes precedence; protection against wear G11B5/255 )

Full Title

Full titles differ between systems:

IPC:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor > Protective measures on heads, e.g. against excessive temperature

CPC:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence) > Protective measures on heads, e.g. against excessive temperature (G11B5/31 takes precedence; protection against wear G11B5/255 )

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