| 摘要 |
PROBLEM TO BE SOLVED: To provide a distribution device of an information wiring which raises confidentiality in information communication and enables connection of an input information line to be changed readily according to conditions. SOLUTION: Information wirings 3a, 3b, 3c,...,3n are laid from each of rooms 1a, 1b, 1c,...,1n in a house to a main device 2, and the main device 2 is provided with change-over switches 6a, 6b, 6c,...,6n of input information lines 5, 5a to each of the information wirings 3a, 3b, 3c,...,3n.
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