IPC Subgroup
G11B 23/14 providing ability to repeat location, e.g. using sprocket holes
Introduced: September 1968
Last revised: January 2006
Full Title
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus > providing ability to repeat location, e.g. using sprocket holes
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER