Input key subassembly for minimizing emission of light from...

Details Input key subassembly for minimizing emission of light from... Input key subassembly for minimizing emission of light from...

H - Electricity

04

W

H04W 88/02 (2009.01) H01H 13/715 (2006.01) H01H 13/83 (2006.01)

Patent

CA 2681247

An input key subassembly for a handheld communication device is disclosed herein. The input key subassembly includes a dome overlay panel and a lightguide panel. The dome overlay panel includes a dome overlay layer and a dome switch having a peak facing frontally. The dome overlay layer has a front face located adjacent to the backside of the lightguide panel. The lightguide panel has at least one keystem and is located above a respective dome switch. A recessed perimeter region about the keystem has a height relative to the backside of the lightguide panel that is less than a height between the front side of the lightguide panel and the backside of the lightguide panel.

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