IPC Subgroup
G06K 1/12 otherwise than by punching
Introduced: September 1968
Last revised: January 2006
Full Title
Methods or arrangements for marking the record carrier in digital fashion > otherwise than by punching
Classification Context
- Section:
- PHYSICS
- Class:
- COMPUTING OR CALCULATING; COUNTING
- Subclass:
- GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS