Appeal No. 96-3205
Application No. 08/157,198
Reference is made to the briefs and answer for the
respective positions of appellants and the examiner.
OPINION
At the outset, we note that, in accordance with
appellants’ grouping of the claims at page 9 of the principal
brief, all claims will stand or fall together.
We reverse.
Independent claim 51 requires, inter alia, the “setting a
flag after one of the subscribers...receives one of said
information entities,” monitoring the logic state of the
serial bus during the bus monitoring period “at a monitoring
rate sufficiently high so that receipt of one of said
information entities is immediately detected during receipt of
said start bit...of said information entity so detected,” and
“determining a state of said flag after expiration of said bus
monitoring time period.” Independent claim 58 recites similar
limitations.
Appellants argue that Ryckeboer never discusses the
setting of a flag in a transmission ready subscriber in
response to detection of the start bit of a message being
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