CPC Subgroup
G11B 5/027 Analogue recording
Full Title
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (G11B11/00 take precedence) > Recording, reproducing, or erasing methods; Read, write or erase circuits therefor > Analogue recording
3 direct subcodes
Child Classifications
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- G11B 5/03 Biasing
- G11B 5/035 Equalising