DIFF Subgroup
G05D 23/22 the sensing element being a thermocouple
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Control of temperature > characterised by the use of electric means > with sensing elements having variation of electric or magnetic properties with change of temperature > the sensing element being a thermocouple
CPC:
Control of temperature > characterised by the use of electric means > with sensing elements having variation of electric or magnetic properties with change of temperature (G05D23/13 takes precedence) > the sensing element being a thermocouple
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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