G - Physics – 09 – G
Patent
G - Physics
09
G
342/10
G09G 3/00 (2006.01)
Patent
CA 1114927
ON/OFF SWITCH ARRANGEMENTS FOR A TOUCH CONTROL BAR GRAPH DEVICE ABSTRACT OF THE DISCLOSURE A safe and convenient ON/OFF switch arrangement for a touch control bar graph device of the type which includes an array of light transmitting touch-sensitive areas superimposed over a bar graph display. In order to require two operations to enable the touch control bar graph device, the present arrangement has an ON touch-sensitive area positioned adjacent to but spaced from the touch control bar graph device. A de- energizing touch-sensitive area is positioned in the space between the ON touch-sensitive area and the touch control bar graph device. Further, a circuit means is responsive to the ON and the de-energizing touch-sensitive areas for enabling operation of the touch control bar graph device in response to the touching of the ON touch-sensitive area, and for disabling touch control bar graph operation in response to the touching of the de- energizing touch-sensitive area. As a result, if a user attempts to enable operation of the touch control bar graph device by moving a finger directly between the ON touch sensitive area and the touch control bar graph device, the user's finger at least momentarily touches the de-energizing touch- sensitive area to disable the touch control bar graph device.
332223
Company General Electric
Eckersley Raymond A.
LandOfFree
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