Appliance control identification system employing user...

Details Appliance control identification system employing user... Appliance control identification system employing user...

G - Physics

05

G

G05G 21/00 (2006.01) A47L 15/46 (2006.01) G05G 25/00 (2006.01) H01H 13/70 (2006.01)

Patent

CA 2432378

A universal controller is employed in a domestic appliance including a user interface. In order to determine the particular user interface utilized and, correspondingly, the available cycles, features and options of the appliance, a scan of a keypad matrix associated with the user interface is performed to determine the presence and/or absence of shorts used to reflect the existence of permanently closed keys of the matrix. In accordance with the invention, the shorts can be indicated individually, in sequence and/or in combination in order to indicate to the controller which firmware to execute for a particular user interface.

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