IPC Subgroup
G11B 21/14 manually
Introduced: September 1968
Last revised: January 2006
Full Title
Head arrangements not specific to the method of recording or reproducing > Driving or moving of heads > Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position > manually
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER