| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a metal game ball detecting sensor for eliminating problems which this kind of metal detecting sensor has, which has been put to practical use. SOLUTION: In case bodies 1A and 1B, to which a hole path portion 2 for detecting passing of a metal body and a containing portion 3 for housing a lead switch 6 and a circuit board 9 are arranged in parallel, the lead switch 6 arranged to a wall surface on the containing portion 3 side of a partition wall between the hole path portion 2 and the containing portion 3, two magnets 5A and 5B to be faced each other with the hole path portion 2 in between and arranged along the longitudinal direction of the case bodies 1A and 1B, so that a wall surface of the outside of the hole path portion 2 has which are mutually different magnetic poles from both lead terminals of the lead switch 6. The circuit board 9 in which an electric circuit and the connection part are collected into a lump are installed in the containing portion 3. An input side of the electric circuit is connected to the lead terminal of the lead switch 6, and an output side is connected to an external load connecting terminal for connecting to an external load circuit which is provided in game machine.</p> |
