18584633. SENSOR DEVICE AND SYSTEM USING THE SAME (SAMSUNG ELECTRONICS CO., LTD.)
SENSOR DEVICE AND SYSTEM USING THE SAME
Organization Name
Inventor(s)
Byungwook Jung of Suwon-si (KR)
SENSOR DEVICE AND SYSTEM USING THE SAME
This abstract first appeared for US patent application 18584633 titled 'SENSOR DEVICE AND SYSTEM USING THE SAME
Original Abstract Submitted
A system includes a radio frequency (RF) device outputting an RF signal; and at least one sensor device generating a power supply voltage using the RF signal output from the RF device, and operating by the power supply voltage, wherein the sensor device includes a case; a plurality of detectors disposed in the case, and collecting environmental data of a space in which the RF device and the sensor device are input, to generate detection data; a battery supplying a power supply voltage necessary for operation of the plurality of detectors; and a charger charging the battery, wherein the charger includes an antenna installed in the case and receiving RF power from an external source, an RF-DC converter converting an alternating current voltage corresponding to the RF power into a direct current voltage, a matching circuit connected between the antenna and the RF-DC converter, and a DC-DC converter adjusting a level of the direct current voltage and charging the battery.