| 摘要 |
PROBLEM TO BE SOLVED: To enable detection of disconnections in a flexible wiring board, using a simple construction in a connection structure of the flexible wiring board to a circuit board. SOLUTION: In a connection structure, the flexible wiring board 10, where a wiring part 12 for a signal is formed on an insulating main board 11 having flexibility, is connected with a printed board 20 as a circuit board. A wiring part 13 for detection, which is independent of the wiring part 12, is formed on the main board 11, and a disconnection detecting circuit 22, which generates a signal when the wiring part 13 is disconnected, is formed on the printed board 20.
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