Registers – Systems controlled by data bearing records
Reexamination Certificate
2007-07-03
2010-10-19
Le, Thien Minh (Department: 2887)
Registers
Systems controlled by data bearing records
Reexamination Certificate
active
07815102
ABSTRACT:
An inputting device for a refrigerator, comprises: a display having one or more button regions; and an optical sensor for sensing the button region selected by a user according to whether optical signals have been shielded; and a controller for receiving a signal indicating the sensed state from the optical sensor thereby controlling an operation of a refrigerator. Since the optical sensor for sensing the button region selected by a user is provided, an operation error is reduced. Furthermore, since the optical sensor has a low cost, a fabrication cost is reduced.
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Birch & Stewart Kolasch & Birch, LLP
Le Thien Minh
LG Electronics Inc.
Marshall Christle I
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