Appeal No. 2002-0366 Page 9
Application No. 08/803,692
know that the user was logged in before logging out. In
addition, the monitoring of the keyboard, mouse, etc. are
indicative of whether or not the user is logged onto the
computer. Thus, we find that in addition to determining log-on
and log-off of the computer, Tang'365 discloses additional
monitoring of the activity of the user. Accordingly, we find
that Tang'365 discloses displaying in the gallery window
information indicative of the currently logged-on co-subscribers
among those in the predefined personal directory, and indicates a
change in log-on status of at least one of the co-subscribers in
the predefined personal directory, as recited in claim 21.
However, Tang'365 does not disclose playing a sound to indicate
the change in log-on status, such as logging off from the user's
or worker's computer. However, Tang'173 discloses that in
addition to a visual indication, an aural indication be provided
(col. 4, lines 31-35, and 61 and 62). From the disclosure of
Tang'173 of providing an aural indication and the disclsoure of
Tang'365 of incorporating the disclosure of Tang'173 by reference
(col. 1, lines 7-12), we find that an artisan would have been
motivated to provide aural indications in the system of Tang'365.
Accordingly, we find that the teachings of Tang'365 and Tang'173
would have suggested the limitations of claim 21. The rejection
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