BATTERY-POWERED DEVICE, BATTER DRIVE METHOD, AND PROGRAM

PROBLEM TO BE SOLVED: To provide a battery-powered device, a battery drive method, and a program capable of extending battery-driven operation time in consideration of a low device cost, a low calculation cost, and influence by temperature characteristics of a battery.SOLUTION: A temperature sensor...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMURA KOTARO, SASAKA YUJI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CALCULATING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMPUTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SIGNALLING SYSTEMS FOR STORING ELECTRIC ENERGY TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a battery-powered device, a battery drive method, and a program capable of extending battery-driven operation time in consideration of a low device cost, a low calculation cost, and influence by temperature characteristics of a battery.SOLUTION: A temperature sensor 11 of a sensor node 1 measures an ambient temperature of the sensor node 1 and transmits measurement data indicating the measurement result to a driving interval calculation unit 16. The driving interval calculation unit 16 calculates driving intervals of the temperature sensor 11, a humidity sensor 12, an illuminance sensor 13, and a pressure sensor 14 from the measurement data received from the temperature sensor 11 using a driving interval evaluation function stored in a storage unit 15. A drive unit 17 drives the temperature sensor 11, humidity sensor 12, illuminance sensor 13, and pressure sensor 14 at the driving intervals calculated by the driving interval calculation unit 16. A battery 18 supplies a drive power to each sensor. A transmission unit 19 transmits measurement data for the temperature sensor 11, humidity sensor 12, illuminance sensor 13, and pressure sensor 14 to the outside.