Appeal No. 2001-2119
Application No. 08/826,744
incorporation of Nakayama’s recording/reproducing system
into the system of Kassatly. In our reading of the
Examiner’s analysis, it is the technique taught by Nakayama
of adding ID control data to the input data and multiplexing
the data signals with the control data signals to facilitate
the recovery of the data signals during reproduction that is
being relied upon as a suggestion for the proposed
combination. “The test for obviousness is not whether the
features of a secondary reference may be bodily incorporated
into the structure of the primary reference . . . . Rather,
the test is what the combined teachings of the references
would have suggested to those of ordinary skill in the art.”
In re Keller, 642 F.2d 413, 425, 208 USPQ 871, 881 (CCPA
1981). See also In re Sneed, 710 F.2d 1544, 1550, 218 USPQ
385, 389 (Fed. Cir. 1983), and In re Nievelt, 482 F.2d 965,
968, 179 USPQ 224, 226 (CCPA 1973). In our view, as also
pointed out by the Examiner (Answer, page 12), when
Kassatly’s input data signals are modified with the addition
of control data, as taught by Nakayama, these signals would
then be demultiplexed and recorded in storage device 230-234
in accordance with the disclosed operation of Kassatly and
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