PROBLEM TO BE SOLVED: To provide a burglar alarm that prevents entrance of intruders by illuminating a light when an intruder comes into the working range of a sensor and setting off the alarm.SOLUTION: The burglar alarm is set in a general family, an office, a warehouse, a garage, a ceiling, a field, and a storehouse, for example, and sets off a sensing alarm when a person or an animal enters the 15-degree range of the sensor, and makes intruders panic. Further, at night, not only the alarm but also illumination are turned on in response to sensing of a sensor at so that intruders will panic easily by double fears and go away.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】センサー感知機の作動範囲内に侵入者が入ると照明が点灯しベルを鳴らすことによって侵入を阻止する防犯ベルを提供する。【解決手段】防犯ベルは、一般家庭、事ム所、倉庫、車の車庫、天上裏、畑、農家のお倉などに設置され、人間、動物がセンサーの約15度の範囲に触れると感知警報ベルを鳴らし、パニック状態にさせる構成とする。また、夜はセンサーの感知でベルと共に照明が点き明るく照らすため、二重の恐怖でパニックになり去っていく構成とする。【選択図】図1
