| 摘要 |
PROBLEM TO BE SOLVED: To provide an unlocking device capable of unlocking an electric lock with a simple constitution, without reducing convenience.SOLUTION: A detection part 12 detects a tag 9-existent range from a plurality of ranges set on the basis of intensity of a radio wave from a reader 7 received by a tag 9 and intensity of a radio wave from a reader 8. A determination part 13 determines whether or not the tag 9 approaches a door on the basis of a detection result of the detection part 12. A lock control part 14 unlocks an electric lock 3 when identification information received from the tag 9 to the reader 7 and the reader 8 is stored in a storage device 11 when determines that the tag 9 approaches the door by the determination part 13. |
