| 摘要 |
PROBLEM TO BE SOLVED: To provide a burglarproof wire screen for a sash window, which has a high burglarproof effect, itself of which can be treated as a single commodity and which is exchanged freely to an existing wire screen. SOLUTION: In the burglarproof wire screen for the sash window with a lattice, a special lock capable of mutually fixing the wire screen and a glass door, an electronic coder and an alarm device incorporated into a control section and a part such as a battery are incorporated into a frame, the damage of a net or a vertical sash bar is detected in addition to displacement from the position of the fixing of the frame and the state in which the special lock is unlocked is detected and an alarm is given by the abnormal detection of either one sensor so far as a password code is input.
|
