Appeal No. 2005-1471 Page 8
Application No. 10/028,833
telephone handset 48. A integral speaker 50 is mounted within the handset receiving
area 46. A digital display 71 is also included for time and date display. A control panel
52 is mounted on the front of the control panel 40 below the handset receiving area 46.
The control panel 52 includes a plurality of membrane switches which are actuated by
an associated push button. In the illustrated embodiment, the push buttons include bed
controls 54, 56, and 58, T.V. controls 60, a "nurse call" button 66, lighting controls 62,
64 and auxiliary controls 68. The bed controls include head control buttons 54a and
54b for adjusting the head section 16 of the bed 12, knee control buttons 56a and 56b
for controlling the knee section 18 of the bed 12, and mattress adjustment buttons 58a
and 58b for adjusting the firmness of the mattress in hospital beds equipped with this
function.
Figure 3 of Williams shows the back of the control panel 40. A display panel 76
is connected to the housing 42 by a hinge in a manner similar to the display of a lap-top
computer. The display panel 76 is movable between a folded position against the back
side of the housing 42 unit and an upright position. The display panel 76 includes a
multi-line display 70. The multi-line 70 may be used to display video as well as to
provide an interface with the control panel 40. An input device, such as a keyboard 72
and trackball 74, is disposed on the housing 42 and is covered by the display panel 76
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