IPC Subgroup
G11B 20/04 Direct recording or reproducing
Introduced: January 1985
Last revised: January 2006
Full Title
Signal processing not specific to the method of recording or reproducing; Circuits therefor > Analogue recording or reproducing > Direct recording or reproducing
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER