Appeal No. 97-3075
Application No. 08/201,846
through 44 have been canceled. Claims 39 and 40 stand
allowed.
The invention pertains to a method and apparatus for
operating upon a received digital data signal, best understood
from an analysis of representative independent claim 1,
reproduced as follows:
1. A method of receiving an input digital data signal
representing a sequence of values, comprising:
taking samples of the waveform of the input digital data
signal a plurality of times during each of the values,
storing in a known order in a sequence of latches the
plurality of the samples corresponding to each of the values
as they are received,
deriving a digital phase signal representing the
difference in phase between the input digital data signal and
a reference signal, and
decoding the digital phase signal, detecting a location
within the sequence of latches represented by the decoded
digital phase signal corresponding to an edge in the waveform
of the input digital data signal, and selecting one of the
samples of the waveform of the input digital data signal from
the sequence of latches remote from the detected edges in the
waveform of the input digital data signal.
No references are cited by the examiner.
2
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