Push-button switch with display device
First Claim
Patent Images
1. A push-button mechanism with a surface display for switching an electric circuit between open and closed states, said push-button mechanism comprising:
- a pair of make-break electric switches connected in series;
means for connecting said pair of electric switches to the electric circuit;
a push-button having an upper surface and a touch panel, providing the surface display, incorporated into said upper surface,a switch base;
connecting means for connecting said push-button to said switch base and providing for reciprocating movement of said push-button relative to said switch base;
means for opening and closing a first of said pair of electric switches responsive to operation of said touch panel;
means for opening and closing a second of said pair of electric switches responsive to said reciprocating movement, whereby the switching of the electric circuit requires both the operation of said touch panel and the reciprocating movement of the push-button.
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Abstract
In a push-button switch with a display device for opening and closing an electric circuit by pressing an operating button, a touch panel is disposed on the top side of the operating button. First a second switch device which relies upon the touch panel is operated using the operating button, and then a first switch device which relies upon pressing of the operating button is operated, thereby preventing erroneous operation.
180 Citations
7 Claims
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1. A push-button mechanism with a surface display for switching an electric circuit between open and closed states, said push-button mechanism comprising:
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a pair of make-break electric switches connected in series; means for connecting said pair of electric switches to the electric circuit; a push-button having an upper surface and a touch panel, providing the surface display, incorporated into said upper surface, a switch base; connecting means for connecting said push-button to said switch base and providing for reciprocating movement of said push-button relative to said switch base; means for opening and closing a first of said pair of electric switches responsive to operation of said touch panel; means for opening and closing a second of said pair of electric switches responsive to said reciprocating movement, whereby the switching of the electric circuit requires both the operation of said touch panel and the reciprocating movement of the push-button. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification