104 エレベーターのかご扉引き込まれ検出装置の開発
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概要
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About 50% of the accidents that involves passengers happen near the door. Each elevator company has taken measures to prevent children's hands from getting pinched in the door. Today, a popular method is to stop the door motion when it detects a signal. However, OTIS's method is to prevent the accidents. It is to stop the door motion when the hands are sucked. It detects the trouble when the accident is about to happen. We have established the product performance and evaluation method to prevent the accidents and to secure safety. We have developed two devices. One is a "Mechanical" device using a micro switch and the other is an "Optical" device that detects change of light beam. We have made test pieces based on physical characteristic data of human body, and evaluated the device.
- 2009-01-21