IPC Subgroup
G05D 23/3 Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
Introduced: September 1968
Last revised: January 2006
Full Title
Control of temperature > characterised by the use of electric means > Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
Classification Context
- Section:
- PHYSICS
- Class:
- CONTROLLING; REGULATING
- Subclass:
- SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
1 direct subcode
Child Classifications
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- G05D 23/32 with provision for adjustment of the effect of the auxiliary heating device, e.g. as a function of time