Invention Grant

Abstract:
The present invention discloses a universal elevator operation plate to overcome the problems of the existing operation plate which is provided with floor buttons corresponding to the number of the floors of a building. The elevator operation plate of the present invention uses floor election buttons to show the numeric “0-9”, a clear button, a floor confirmation button, and a number/letter switch button to achieve floor election operation to indicate the floor by number or letter. The present invention can be produced in standardization to lower the cost.
Public/Granted literature
- US20140102832A1 UNIVERSAL ELEVATOR OPERATION PLATE Public/Granted day:2014-04-17
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