CRIME PREVENTION DEVICE, CRIME PREVENTION SYSTEM AND METHOD FOR DETERMINING STATE OF OPENING/CLOSING BODY

摘要

[Problem] It is difficult to determine a state of an opening/closing body for opening/closing an opening section of a building. [Solution] A crime prevention device according to an exemplary aspect of the invention an excitation means for applying vibration to an opening/closing body for opening/closing an opening section of a building; a detection means for detecting the vibration of the opening/closing body to which the vibration has been applied by the excitation means; and a determination means for determining the state of the opening/closing body on the basis of the feature of the detected vibration of the opening/closing body.