초음파를 이용한 가시광인식 수동형 트랜스폰더
A Passive Transponder for Visible Light Identification Using Ultrasonic wave
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In this paper, we newly developed a passive transponder for visible light identification (VLID) using ultrasonic wave. The solar cell in the transponder receives the reader light and generates current for supplying power to the transponder circuit. At the same time the solar cell detects the interrogating signal in the visible light from the reader. The transponder recognizes the interrogating signal and generates the responding signal using ultrasonic wave. In experiments, we used 40 kHz ultrasonic wave for the responding signal from the transponder. The maximum read distance was about 3.4 m when the transponder was exposed to the reader light of 24W LED array.
Abstract
In this paper, we newly developed a passive transponder for visible light identification (VLID) using ultrasonic wave. The solar cell in the transponder receives the reader light and generates current for supplying power to the transponder circuit. At the same time the solar cell detects the interrogating signal in the visible light from the reader. The transponder recognizes the interrogating signal and generates the responding signal using ultrasonic wave. In experiments, we used 40 kHz ultrasonic wave for the responding signal from the transponder. The maximum read distance was about 3.4 m when the transponder was exposed to the reader light of 24W LED array.
참고문헌 (6)
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- S. H. Lee, "A passive transponder for visible light identification using a solar cell", IEEE Sensors Journal, 15(10), pp.5398~5403 (2015)
- C. Julian Chen, "Physics of Solar Energy", pp.177~208 (2011), Wiley
- J. David N. Cheeke, "Fundamentals and applications of ultrasonic waves" (2002), CRC Press