IPC Subgroup
G01R 13/1 with intermittent recording by representing the variable by the length of a stroke or by the position of a dot
Introduced: September 1968
Last revised: January 2006
Full Title
Arrangements for displaying electric variables or waveforms > for producing permanent records > Electromechanical recording system using a mechanical direct-writing method > with intermittent recording by representing the variable by the length of a stroke or by the position of a dot
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES