Electric maze learning device or game apparatus and printed...

Details Electric maze learning device or game apparatus and printed... Electric maze learning device or game apparatus and printed...

H - Electricity

05

K

H05K 1/16 (2006.01) A63F 9/00 (2006.01) G09B 5/00 (2006.01) G09B 23/18 (2006.01) H01R 31/08 (2006.01) H05K 3/00 (2006.01) H05K 3/22 (2006.01) H05K 3/40 (2006.01) H05K 1/00 (2006.01) H05K 3/04 (2006.01)

Patent

CA 2094312

2800.03 PATENT Abstract of the Invention A printed circuit board switch and a method for producing it are shown. The switch includes a conductive plug of a first diameter, and a printed circuit board. The printed circuit board defines a first hole of substantially the first diameter, a pair of half circles of a substantially smaller second diameter on opposite sides of the first hole extending outward and away from the center of the first hole, and first and second conductive switch poles on at least one side of the board on opposites sides of the first hole and extending into and along opposite sides of the sides of the first hole. With this switch configuration, closure of the first and second conductive switch poles is effected when the conductive plug is inserted into the first hole. 26

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