Membrane switch sheet
Disclosed herein is a membrane switch sheet for a switch matrix-type key input apparatus. The membrane switch sheet is used in a switch matrix-type key input apparatus, including a plurality of switch...
View ArticleKey input apparatus using a switching matrix
The present invention relates to a key input apparatus for a switching matrix. The present invention includes a column scan control device including switching units connected to the lines in the...
View ArticleInput device with ghost key suppression
An input device with ghost key suppression includes a switch module, a comparator, an exchange unit, a bias voltage resistor, and a processing module. The switch module includes a plurality of strobe...
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