发明名称 |
Access Control Devices of the Electromagnetic Lock Module Type |
摘要 |
An access control device including an electromagnetic lock module for selectively locking and unlocking a door in a door frame is provided. The access control device provides a lower profiled electromagnetic lock module to improve the aesthetics and functionality of the module, supports and integrates modern accessories such as CCTV, CCD cameras, passive motion detection with automatic background correction, digital notification display, automatic source voltage selection, door and lock status indicators, and ease of installation. The present invention further provides components and circuitry to enable connection of the electromagnetic control module to 12 or 24 volts DC or to an unfiltered rectified AC power supply.
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申请公布号 |
US2013127260(A1) |
申请公布日期 |
2013.05.23 |
申请号 |
US201213618806 |
申请日期 |
2012.09.14 |
申请人 |
WEBB MICHAEL A.;CORWIN, JR. LARRY GENE;PETERSEN MATTHEW LYNN |
发明人 |
WEBB MICHAEL A.;CORWIN, JR. LARRY GENE;PETERSEN MATTHEW LYNN |
分类号 |
E05B47/00;E05B17/06;H02J1/00 |
主分类号 |
E05B47/00 |
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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