Appliance control identification system employing user...

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

2007-11-13

2007-11-13

Lo, Weilun (Department: 2179)

Data processing: presentation processing of document, operator i

Operator interface

For plural users or sites

C700S095000, C134S05800D, C068S012270

Reexamination Certificate

active

10186922

ABSTRACT:
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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