IPC Subgroup
G05D 23/2 with sensing elements having variation of electric or magnetic properties with change of temperature
Introduced: September 1968
Last revised: January 2006
Full Title
Control of temperature > characterised by the use of electric means > with sensing elements having variation of electric or magnetic properties with change of temperature
Classification Context
- Section:
- PHYSICS
- Class:
- CONTROLLING; REGULATING
- Subclass:
- SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
3 direct subcodes
Child Classifications
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- G05D 23/22 the sensing element being a thermocouple
- G05D 23/24 the sensing element having a resistance varying with temperature, e.g. thermistor
- G05D 23/26 the sensing element having a permeability varying with temperature