Appeal No. 2000-2102
Application 08/771,947
of the comparison between incoming and stored information frames.
Rather, once the relevant information is first stored in a
memory, it remains fixed. There is simply no reason to modify
the stored data in the systems of either of those patents." The
examiner responds (answer at page 7) that "the selective
recording system of Takahama et al discloses the well known
application of commercial cancelation (e.g., col. 5, lines
20-23) based on sequential pattern matching ... so as to modify
.... at least one memorized information segment when commercial
program images in memory 18 are continuously updated (Fig. 2,
elements 14, 19, 20, 26)." We agree with the examiner's position
that Takahama does show a continuous updating of the memorized
images in memory 18 as a result of inputs to it from elements 26,
19, 16, 17, and 20 (see also column 5, lines 20-23). Therefore,
we sustain the obviousness rejection of claims 21 and 38 over
Takahama and Ellis.
II. Claims 23 and 43
Appellants argue (brief at page 10) that neither Takahama
nor Ellis, singly or together, show the retaining of the segments
in the memory "based on a predetermined number of successful
matches," nor further disclose "removing stored information,
particularly on the basis of whether a successful match occurs."
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