An IR Proximity-Based 3D Motion Gesture Sensor for Low-Power Portable Applications
- Authors
- Kim, Jeong Seok; Yun, Seong Jin; Seol, Dong Jin; Park, Hee Ju; Kim, Yong Sin
- Issue Date
- 12월-2015
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Motion gesture; proximity; photosensor; integrated; human-machine interface
- Citation
- IEEE SENSORS JOURNAL, v.15, no.12, pp.7009 - 7016
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE SENSORS JOURNAL
- Volume
- 15
- Number
- 12
- Start Page
- 7009
- End Page
- 7016
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/91831
- DOI
- 10.1109/JSEN.2015.2471845
- ISSN
- 1530-437X
- Abstract
- The conventional infrared (IR) proximity-based three-directional (3D) motion gesture sensors (MGSs) detect hand motion by using either a single IR LED and multiple photosensors or multiple IR LEDs and a single photosensor. Since an IR LED is the most power hungry component, MGSs with a single IR LED and multiple photosensors are preferred for low-power applications. In this configuration, the recognition rate of an MGS is the function of the space between each photosensor. In order to achieve a high recognition rate, external photosensors resulting in a large form factor are inevitable. In this paper, a 3D MGS for low-power portable applications is proposed. The proposed optical blocks allow for a small form factor and ultra-low profile packaging by integrating photosensors in a single chip.
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