| 摘要 |
PROBLEM TO BE SOLVED: To provide a multi-stage operation switch capable of supplying different signals according to the pressure applied on the switch. SOLUTION: The multi-stage operation switch has a switch printed-circuit board which is connected to a printed-circuit board of electronic apparatus and has one or more contacts installed on the upper side and an elastic plate which is installed on the upper side of the switch printed-circuit board and connects electrically the contact and the contact when applied with a pressure. The elastic plate has a first projection part which is formed projected from the end part to the upper direction, a second projection part which is connected to the first projection part and is formed projected to the same direction as the first projection part, and a first slanted part which is bent from the end part of the elastic plate to the opposite direction to the first projection part. COPYRIGHT: (C)2010,JPO&INPIT
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