IPC Subgroup
G11B 5/027 Analogue recording
Introduced: July 1974
Last revised: January 2006
Full Title
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor > Recording, reproducing or erasing methods; Read, write or erase circuits therefor > Analogue recording
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
2 direct subcodes
Child Classifications
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- G11B 5/03 Biasing
- G11B 5/035 Equalising