IPC Subgroup
G11B 5/633 of cinematographic films or slides with integral magnetic track
Introduced: January 1985
Last revised: January 2006
Full Title
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor > Record carriers characterised by the selection of the material > of cinematographic films or slides with integral magnetic track
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
Related Keywords
recording aspects of CINEMATOGRAPHY combined with sound recording