Method and apparatus for a merged power-communication cable in door security environment

摘要

A method controlling access to a door using a merged power communication cable. An access controlled door lock in door is operated using merged power-communication cable. Access control identification mechanism in door may operate using merged power-communication cable. The access controlled door lock may include a piezoelectric controlled door lock or a standalone door lock or a solenoid controlled door lock. A processing module may operate in door to control access with power interface receiving at least part of the electrical power from the merged power-communication cable. The invention includes a strike plate containing a magnetic sensor aligns by a latch hole to a latch included an access control door lock. The invention also includes using a door conduit to provide the merged power-communication cable to at least the processing module in the door. Door 18 Access control card reader 310 Local - -- Access Security controlled Door Closet door lock Latch Control oor80 Side &oDtaol F r Door 14 8 430dui Request Power EXIt switch 30 Door Frame Fig. 1A 4 Prior Art 16Door Door Side Local Security Door Closet 50 Frame 50 Access - Switch Dram Door Control 3920 Frm conduit Module 46 Fig. 1 B