Appeal No. 1998-2605
Application 08/278,612
Sakai in view of Takahashi fail to teach or suggest
recording any data in a TOC or elsewhere which would
either permit or inhibit recording data of any kind
and, more importantly, recording data in a management
area which would inhibit a reproducing or recording of
the video data when only the audio data are to be
recorded in or reproduced from the recording area.
Sakai's and Takahashi's control codes neither permit
nor inhibit recording at all and only designate the
type of segment which can be selected, by means of a
switch, for exclusive reproduction. Sakai in view of
Takahashi do not prevent an exclusively audio recording
apparatus from mistakenly recording over a video only
recorded section of the disc, as does the present
invention.
In accordance with the teachings of the secondary
reference to Takahashi, the respective audio only, video only,
or audio and video reproduction modes are respectively
determined by the switches 101 through 103 as a part of the
keyboard 60 in Figure 1 as noted at column 2, lines 59 through
62 and column 4, lines 58 through 60. Again, from our study
of Takahashi, we agree with appellant's views expressed in the
paragraph bridging pages 4 and 5 of the reply brief as
reproduced here:
Therefore, the system controller 40 of Takahashi does
not use the stored track number to identify whether or
not a "second management data" is present because (1)
in Takahashi there are only one set of control codes
for the audio data (whether or not it is associated
with video data) and no additional control codes
("second management data") for the video data and (2)
the inhibition of reproducing the video data is
determined by the mode setting switches 101-103, not by
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