| 发明名称 |
Inductively coupled power, useful for wireless elevator hall fixtures |
| 摘要 |
Fixtures (27) at a doorway of a landing are formed integrally with a frame (17). Power is provided by an inductive coupler (32) having a core (70) and primary (75). The core is thin ferrite and extend significantly beyond the coils in the plane the coils are wound, to provide en extremely low resistance path for the efficient transfer of AC power.
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| 申请公布号 |
US7479861(B2) |
申请公布日期 |
2009.01.20 |
| 申请号 |
US20050552383 |
申请日期 |
2005.10.07 |
| 申请人 |
OTIS ELEVATOR COMPANY |
发明人 |
ZEPKE BRUCE E.;VERONESI WILLIAM A.;ZACCHIO JOSEPH;STUCKY PAUL A.;BELLAMY DENNIS W.;NETTER CHRISTIAN M.;VECCHIOTTI ALBERTO;BACELLAR ADRIANA H.;BACELLAR LUIZ F.;HAAS DEBORAH C. |
| 分类号 |
H01F17/06;B66B1/34;B66B1/46;B66B3/00 |
主分类号 |
H01F17/06 |
| 代理机构 |
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