IPC Subgroup
G11B 15/44 Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
Introduced: September 1968
Last revised: January 2006
Full Title
Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function > Driving; Starting; Stopping; Arrangements for control or regulation thereof > Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER