发明名称 |
Dimmer switch for use with lighting circuits having three-way switches |
摘要 |
A smart dimmer switch for control of a lighting load from an AC voltage source can replace any switch in a three-way or four-way lighting control system. The smart dimmer switch can be connected on the line-side or the load-side of a three-way system with a standard three-way switch in the other location. Further, the dimmer switch can replace a four-way switch in a four-way system and is operable to be coupled to two standard three-way switches. The dimmer switch includes either one or two semiconductor switches to control the intensity of the connected lighting load. The dimmer switch preferably includes a sensing circuit for detecting an electrical characteristic (i.e., either a voltage or a current) at a terminal of the dimmer to determine the state of the connected three-way switch(s) or four-way switch. The dimmer switch preferably controls the state of the semiconductor switch in response to either a toggle of any of the other switches in the system or an actuation of a toggle button of the dimmer switch.
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申请公布号 |
US7687940(B2) |
申请公布日期 |
2010.03.30 |
申请号 |
US20060447496 |
申请日期 |
2006.06.06 |
申请人 |
LUTRON ELECTRONICS CO., INC. |
发明人 |
MOSEBROOK DONALD;ROGAN CHRISTOPHER M.;STEFFIE JAMIE J.;KEAGY JON M.;DETMER STEVEN E. |
分类号 |
H01H35/00;H05B37/02 |
主分类号 |
H01H35/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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