IPC Subgroup
G11B 31/02 with automatic musical instruments
Introduced: September 1968
Last revised: January 2006
Full Title
Arrangements for the associated working of recording or reproducing apparatus with related apparatus > with automatic musical instruments
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER