Unitary key panel

Details Unitary key panel Unitary key panel

G - Physics

06

F

340/180

G06F 3/02 (2006.01) G08B 13/14 (2006.01) H01H 3/02 (2006.01) H01H 9/26 (2006.01) H01H 13/702 (2006.01)

Patent

CA 1303700

52-48F/H11.3 UNITARY KEY PANEL ABSTRACT OF THE DISCLOSURE An environmentaly protected keyboard display and input device is provided which may be utilized in con- junction with a variety of digital control systems such as automated bank tellers or building security systems. The keyboard display and input device includes a unitary, transparent flexible keyboard having thickened portions forming keys. The keyboard forms an environmental seal including a peripheral gasket to protect an underlying, transparent, pressure sensitive switching assembly, which, in turn, overlies a corresponding visual display of alphanumeric characters which indicate the signi- ficance of the individual pressure sensitive switches and corresponding keys overlying each character. Pins are formed on the underside of the flexible keyboard, below each key, to focus and concentrate pressure exerted on each key to the corresponding pressure sensitive switch below. An optical grid is provided to restrict the viewing of the alphanumeric characters to the user of the device, to prevent compromising the data input.

455720

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