| 摘要 |
PROBLEM TO BE SOLVED: To provide a receiver of a notice broadcast system which achieves the reduction of the manufacturing costs and the simplification of the installation work of each device of the notice broadcast system.SOLUTION: A receiver 20 of a notice broadcast system 1 receives an optical signal transmitted from a center device and conducts at least notice broadcasts. The receiver 20 of the notice broadcast system comprises: an optical input terminal 28 receiving the input of the optical signal; a photoelectric conversion part 44a converting the optical signal input from the optical input terminal 28 into an electric signal; and a broadcast output part 31 which outputs the electric signal output from the photoelectric conversion part 44a, thereby conducting the at least notice broadcasts. The receiver 20 comprises a housing 21 housing at least the photoelectric conversion part 44a, and the photoelectric conversion part 44a may be attached to or detached from the housing 21. |
