Appeal No. 96-2748
Application 08/008,813
fact that Sassler does generate control signals which are
transmitted with the processed video information would not
necessarily have indicated to the artisan the applicability
of Sassler’s teachings to those of Strolle.
Our understanding of Sassler from our study of this
reference seems to indicate that the transmit portion Figure 1
of this reference would, in fact, perform some kind of signal
emphasis or amplification of the video signals before trans-
mission and then to de-emphasize such signals in a receiver
portion in Figure 2. Representative independent claim 1 essen-
tially requires for a transmit or record operation a signal level
to be de-emphasized and a receiver operation or reproduce
operation in independent claims 10 and 16 on appeal be
reemphasized. One teaching value of Sassler, therefore, appears
to be opposite that which is required by the claims on appeal.
Thus, our observation as to the teachings of Sassler appears to
be in agreement with appellants’ similar observation made at the
bottom on page 27 of the principal brief on appeal.
In view of the foregoing, we conclude that the artisan would
not have found obvious the subject matter of each independent
claims 1, 10 and 16 on appeal based upon the combined teachings
and suggestions of the references relied upon by the examiner as
6
Page: Previous 1 2 3 4 5 6 7 8 Next
Last modified: November 3, 2007