| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible printed board which does not cause the destruction of an element, etc., even if inserted in reverse. SOLUTION: A plurality of signal lines having different widths for different types are arranged to be symmetric widthwise with regard to the central line of a printed board. Even if the flexible printed board is inserted in reverse for connection, the plurality of signal lines having different widths for different types maintain their order of arrangement. Since the signal lines of different types maintain their order of arrangement even when the board is inserted in reverse for connection, neither improper connection nor short-circuit occurs between circuits connected via the flexible printed board. COPYRIGHT: (C)2008,JPO&INPIT
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