| 摘要 |
FIELD: protection of objects against non-authorized access. SUBSTANCE: when person leaves monitored object, he checks operating order of object by test board, and closes object. When object is to be accessed, it is opened by space which is allowed by protection device, hand is passed through into object and security alarm device is switched off droppingly and allows access to object without calling emergency signal. EFFECT: method eliminates possibility to observe operations for switching security system from protection to accessing state. |
