Appeal No. 1998-0147
Application 08/446,278
never addressed these rechargeable battery limitations and,
thus, the Examiner fails to establish a prima facie case of
obviousness. Although battery recharging, in general, is
well known, it is the Examiner's duty, not ours, to provide
a reference and the motivation to modify Kaplan to charge
the battery in the memory card from the digital source. The
rejection of claims 46, 47, and 50-52 is reversed.
Although we have reversed the rejection of claim 50, we
comment that Kramer reasonably suggests the limitation of
"said digital signal source including means for writing the
digital signal to said semiconductor memory at a clock rate
substantially higher than a read clock rate to said
semiconductor memory." A similar limitation is found in
claim 2. Kramer discloses (col. 4, lines 1-5) (emphasis
added): "The memory 22 is preferably organized so as to
appear to be a circular shift register of the required size
and is clocked at the same speed, controlled by the memory
control clock 36, during recording and replay. One 'bit' is
presented to the memory at a time." During replay, "output
will be at a speed much faster (at least 100 times) than
that required for actual sound reproduction" (col. 4,
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