Keypad with replaceable key labels
AssigneeDynagen Technologies, Inc.
InventorsPaul Wareham, Richard Robert Coulson, Wesley Warren Manning, Sean Nutter
Life of this patent
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Abstract
A key able to accept a label for a keypad used in controlling electrically operated devices, wherein the key structure accepts and secures an interchangeable label, and which forms an impermeable barrier to the electrical contacts of a programmable circuit board.
Claims28
A key for housing and addressing a switch element on a keypad for actuation of a switch element having a defined function, wherein the key comprises a main piece on one side of a keypad surface protecting membrane and a switch actuating piece on the opposite side of the membrane and where the main piece is formed to accept and to shield a replaceable label component for conveying the function of the key to the operator.
A keypad for actuating switch elements controlling multiple modes or functions of an electrically operated device, comprising:
- a membrane, having a plurality of shaped keys integral to the membrane, whereby pressing a key causes flexing of the membrane and actuation of a switch element having a defined function;
- and where
- the key comprises a main piece on one side of the membrane and a switch actuating piece on the opposite side of the membrane and where the main piece is formed to accept and to shield a replaceable label component for conveying the function of the key to the operator.
Dependencies are inferred from the claim text.