IPC Subgroup
G06C 7/02 Keyboards
Introduced: September 1968
Last revised: January 2006
Full Title
Input mechanisms > Keyboards
Classification Context
- Section:
- PHYSICS
- Class:
- COMPUTING OR CALCULATING; COUNTING
- Subclass:
- DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
Related Keywords
KEYBOARDS for mechanical digital computers
3 direct subcodes
Child Classifications
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