| 摘要 |
PROBLEM TO BE SOLVED: To provide a lock system capable of preventing fraudulent unlocking while it can be unlocked by turning a crescent from the outside of the building in emergency.SOLUTION: A body 12 of a lock device 11 is attached to one glass door 3 of a double sliding door 1 of each room in a building. Each body 12 has: a crescent 13 which is locked to a bracket attached to the other glass door 4 of the double sliding door 1; unlocking means for removing the crescent 13 from the bracket by turning it; a light-receiving part 36 for receiving an infrared signal from a remote control 35; and a lock control part 38 for turning the crescent 13 when the light-receiving part 36 receives the infrared signal. An emergency button 47 is connected to an emergency control part 49 having a light emission part 50 for transmitting the infrared signal, the emergency button 47 is arranged outside of the building, and the light emission part 50 is arranged in the inside of any of the rooms. The emergency control part 49 transmits the infrared signal when the emergency button 47 is pressed down. |
