| 摘要 |
<p>PROBLEM TO BE SOLVED: To eliminate wiring between door and door frame or wall, etc., and to provide an electric lock system having a good appearance. SOLUTION: An electric lock system is equipped with an electric lock 2 installed at a door 1, an electric lock control section and a locking and unlocking decision device 3 for deciding locking or unlocking of an electric lock 2 and outputting a control signal for controlling the electric lock 2. An AC power source is supplied to the locking and unlocking decision device 3, and signals are transmitted between the locking and unlocking decision device 3 through wires 81 , 82 and transmission device A. The transmission device A constitutes a data carrier system consisting of a reader/writer section 5, provided to a door frame 10 and a data carrier section 52 provided to the door 1. Then, the reader/writer section 51 and data carrier section 52 are equipped with coils respectively, and the coils are so arranged that they are approached in a state to close the door 1 and are opposed to each other.</p> |
