| 摘要 |
PROBLEM TO BE SOLVED: To provide: a defogger capable of reducing electromagnetic noise irradiated from a heating coil and having high electromagnetic noise reduction effects; and a window pane including the defogger.SOLUTION: A defogger placeable on a window pane includes a reciprocating heating coil. An outward path and a return path of the heating coil are adjacent to each other with a distance at which mutual induction occurs. A window pane includes the defogger. For example, it is preferable to establish d<√(2×a×b/e), where a is a radius of the heating coil, b is a length that the outward path and the return path lie in parallel, e is Napier's number, and d is a distance between the center of the outward path in a line width direction and the center of the return path in the line width direction.SELECTED DRAWING: Figure 1 |
