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Single-Package Motion Gesture Sensor for Portable Applications

Authors
Kong, Ki-HoKim, Yong SinKim, Ju EonKim, SukiBaek, Kwang-Hyun
Issue Date
11월-2013
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
motion gesture sensor; contactless interface; proximity; optical block
Citation
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, v.59, no.4, pp.848 - 853
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS
Volume
59
Number
4
Start Page
848
End Page
853
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/101712
DOI
10.1109/TCE.2013.6689698
ISSN
0098-3063
Abstract
Proximity-based motion gesture sensors (MGSs) using IR LEDs have been widely researched for contactless human-machine interfaces. Conventional MGSs have incorporated discrete photodiodes into a receiver, which prevents them from being adopted for portable handheld devices because of their large size and high profile. This paper proposes a proximity-based contactless MGS that embeds photodiodes and a motion detection algorithm into a single package. The area and height of the proposed optical structure including photodiodes and an optical block are reduced by 96.2% and 71.7%, respectively, compared with the most recently developed MGS. Furthermore, the proposed sensor achieves a recognition rate of over 99.5% on average at various speeds of hand movements. A prototype system is implemented and tested for validation(1).
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