Appeal No. 96-0553
Application 08/020,993
The first introduction of the teaching value of the various
disclosed embodiments of Tanaka himself is found with respect to
Figure 3. We make reference to the following locations as the
discussion in Tanaka relates to this first embodiment in Figure
3: column 14, lines 7 through 12; column 14, line 62 through
column 15, line 53 and column 16, lines 31 through 42. The
variance calculating portion 116 in Figure 3 is discussed
beginning at the bottom of column 14. The so-called fineness of
a respective block represented by the inputted television signal
is determined by this circuit. Again, this indicates that the
computations occur on a block-wise basis on incoming, new signal
blocks for a new frame. The referenced portion at column 15
indicates to us that in the context of the first embodiment in
Figure 3, it operates upon the prior art approach in prior art
Figure 1 by means of the first quantization step-size computation
portion 122 in conjunction with or feeding as an input signal 119
to the second quantization step-size computing portion 118. The
variance calculating portion 116 also feeds this block 118 in
Figure 3. Two outputs come from the block 118. One is wrongly
argued by the examiner and correctly identified by appellant in
the early portion of the reply brief; this relates to the
quantization class determinations represented by signal 121.
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