Appeal No. 2004-0180
Application No. 09/124,642
repeatedly transmitting from an end of the bi-directional
communication path a sequence of predetermined characters if
reception is lost at that end; and
resynchronizing the link from both ends if the sequence of
predetermined characters is received at the other end.
The examiner relies on the following references:
Nakayama 5,259,004 Nov. 2, 1993
Sauer et al. (Sauer) 6,011,821 Jan. 4, 2000
(filed Jun. 5, 1997)
Olafsson 6,081,567 Jun. 27, 2000
(filed Jun. 7, 1999)
Jordan et al. “Synchronous Transmitter-Receiver Clocking Method”,
IBM Technical Disclosure Bulletin, Vol. 7, No. 12, May 1965, pp.
1189-1191.
Claims 1-19 stand rejected under 35 U.S.C. § 103. As
evidence of obviousness, the examiner offers Sauer and Olafsson
with regard to claims 1, 7-10 and 16-19, adding Jordan to this
combination with regard to claims 2, 3, 5, 6 and 11-15. With
regard to claim 4, the examiner offers Sauer and Olafsson with
the addition of Nakayama.
Reference is made to the brief and answer for the respective
positions of appellants and the examiner.
OPINION
In rejecting claims under 35 U.S.C. § 103, it is incumbent
upon the examiner to establish a factual basis to support the
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