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Publication of BE717145ApublicationCriticalpatent/BE717145A/xx
G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
G01K3/00—Thermometers giving results other than momentary value of temperature
G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
G—PHYSICS
G08—SIGNALLING
G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B17/00—Fire alarms; Alarms responsive to explosion
G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch