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http://dx.doi.org/10.6109/jkiice.2014.18.11.2759

A Study on High-precision Autofocus Matching Device for Smoke Detector Based on IR Laser  

Kim, Gwan-Hyung (Department of Computer Engineering, Tongmyong University)
Shin, Dong-Suk (Department of Computer Engineering, Tongmyong University)
Oh, Am-Suk (Department of Media Engineering, Tongmyong University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.18, no.11, 2014 , pp. 2759-2764 More about this Journal
Abstract
Smoke detector is commonly used to reduce fire detection time. However, technical problems regarding its inaccuracy of laser beam-receiving point on the surface of the sensor associated with incoming interference are identified when the laser transmitter and receiver are installed at a distance of about 100m. In this paper, we propose the auto focus alignment algorithm with high precision to adjust tilting angle of lasers caused by environmental interference so that solve existing issues using multi-level worm gear set.
Keywords
Fire Detectors; IR Smoke Detectors; IR Laser; High-Precision Control; Focus Matching;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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