BATTERY-POWERED CONTROL DEVICE |
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| 申请号 | US15789666 | 申请日 | 2017-10-20 | 公开(公告)号 | US20180116039A1 | 公开(公告)日 | 2018-04-26 |
| 申请人 | Lutron Electronics Co., Inc.; | 发明人 | Matthew V. Harte; Jeffrey S. Hayes; Stephen M. Luwig, JR.; Robert C. Newman, JR.; Jaykrishna A. Shukla; | ||||
| 摘要 | Provided herein are examples of a remote control device that provides a retrofit solution for an existing switched control system. The remote control device may comprise a control circuit, a rotatable portion, a magnetic ring coupled to the rotatable portion, and first and second Hall-effect sensor circuits configured to generate respective first and second sensor control signals in response to magnetic fields generated by the magnetic elements. The control circuit may operate in a normal mode when the rotatable portion is being rotated, and in a reduced-power mode when the rotatable portion is not being rotated. The control circuit may disable the second Hall-effect sensor circuit in the reduced-power mode. The control circuit may detect movement of the rotatable portion in response to the first sensor control signal in the reduced-power mode and enable the second Hall-effect sensor circuit in response to detecting movement of the rotatable portion. | ||||||
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