IPC Subgroup
G11B 21/08 Track changing or selecting
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 > Track changing or selecting
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER