DETECTION UNIT, SUSPICIOUS PERSON DETECTION UNIT, AND SUSPICIOUS PERSON DETECTION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a detection unit which has a simple structure and which is compact as a whole.SOLUTION: A detection unit (10) consists of only: a trigger transmission part (12) and (13); an ID receiving part (14) and (15); an output circuit which outputs a signal to outside; and a control part (11) which controls the output circuit so that, when ID is received by the ID signal receiving part (14) and (15), a signal indicating the reception is output from the output circuit.