Appeal No. 2003-0664
Application No. 09/314,716
users a chance to take a look at aired programs simultaneously as
suggested by Kohiyama (Col. 1, lines 17-20).”
The examiner additionally acknowledges (answer, page 5) that
neither Birch nor Kohiyama discloses “a GUI [graphical user
interface] accessing a software control process at the network
operating center for controlling through the digital streaming
media the assembly of the multi-window screen display.” The
examiner states (answer, page 5) that Kohiyama does, however,
disclose that “the variable-length decoding unit 11 received a
mode signal (digital streaming media) from the sender (Network
Operating center), which indicates whether pictures are displayed
in a normal display mode, or reduced in size to be displayed in a
multi-windows display mode (Col. 7, lines 19-28).”
With respect to the noted GUI missing from the teachings of
both Birch and Kohiyama, the examiner cites Lai for a teaching
(Figure 1) of a GUI (i.e., the user interface 109) controlling a
multiplexor 102 and a video encoder 106 to produce a video output
signal 126. In view of the teachings of Lai, the examiner is of
the opinion (answer, page 6) that “it would have been obvious to
one of ordinary skill in the art at the time the invention was
made to modify Birch and Kohiyama by integrating GUI (user
interface) software control at the network operating center, as
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