IPC Subgroup
G11B 27/06 Cutting and rejoining; Notching, or perforating record carriers otherwise than by recording styli
Introduced: September 1968
Last revised: January 2006
Full Title
Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel > Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers > Cutting and rejoining; Notching, or perforating record carriers otherwise than by recording styli
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER