| 摘要 |
PROBLEM TO BE SOLVED: To provide a lock easily replaceable with a conventional lock while adding a sensor. SOLUTION: An opening 101 is arranged in a door 100, and wiring 3 is laid by penetrating through this opening. A first lock body 1 and a detecting part 2 are arranged on the outdoor side of the door 100, and a second lock body 2 and a receiving part 6 are arranged on the indoor side. The detecting part 2 has an imaging part 21, a proximity sensor 25 and a projector 26, and is connected with the wiring 3. The receiving part 6 is stored in a casing 60. The receiving part 6 has a display part 61, a communication part 62, a recording part 63, a control part 64 and a battery 65, and is connected with the wiring 3. An opening used for a mechanism for supporting an ordinary lock can be used for the opening 101. COPYRIGHT: (C)2007,JPO&INPIT
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