IPC Subgroup
G05D 23/27 with sensing element responsive to radiation
Introduced: September 1968
Last revised: January 2006
Full Title
Control of temperature > characterised by the use of electric means > with sensing element responsive to radiation
Classification Context
- Section:
- PHYSICS
- Class:
- CONTROLLING; REGULATING
- Subclass:
- SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES