Illegal intruder danger signal for crime prevention

摘要

(57) Abstract Objective As for this device, intruder from outside window and the like destruction tsuThe occasion where the te illegally it invaded, the alarm which accompanies to the portion of the window frame insideFrom the machine the danger signal give the alert to outside, the intruder invaded illegally denselyWith there is a dot which offers the danger signal which can inform. Constitution Key hook near median of window frame inside such as windowLower part and the like to install in the place where it is not conspicuous, the window outside and insideThe space due to sliding becomes the resonance bodyIt made a condition, furthermore, outside compared to the intruder invaded illegallyOccasion, alarm sound give the alert to outside, the intruder invaded illegallyInforming possibly being formed, it becomes it is.