Appeal No. 2000-1690
Application No. 08/697,808
We further find that Ng addresses the situation in which the
tutor is disconnected (page 274, right-hand column, first
paragraph) by stating that:
During the absence of the tutor, the student in the meeting
whose name is the highest on the PCL [Present Conferee List]
list will temporary take the role as the coordinator.
However, the students can also choose to close the session
if they so desire.
Therefore, when the tutor is disconnected and not present, the
meeting can go on if one of the students assumes the role of the
coordinator, or the meeting may be terminated.
Riddle, on the other hand, discloses a teleconferencing
system that provides for transferring of audio and video data so
that users can communicate with one another (col. 1, lines 15-
29). Additionally, Riddle refers to an application program that
controls the conference (col. 6, lines 40-48). Thus, Riddle
merely relates to a teleconferencing system which is controlled
by an application program so that a group of users may
communicate with one another.
As the Federal Circuit states, "[t]he mere fact that the
prior art may be modified in the manner suggested by the Examiner
does not make the modification obvious unless the prior art
suggested the desirability of the modification." In re Fritch,
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