Appeal No. 96-3205
Application No. 08/157,198
This is a decision on appeal from the final rejection of
claims 51 through 62. Claims 1 through 50 have been
cancelled.
The invention pertains to information transmission in a
bus system, best illustrated by reference to representative
independent claim 51 reproduced as follows:
51. Process for serially transmitting information
entities over a serial bus between a plurality of subscribers
(ECU1 to ECU4) connected to said serial bus at a common
transmission rate for all of said subscribers, each of said
subscribers transmitting said information entities at said
common transmission rate, said process comprising the steps
of:
a) providing each of said information entities with a
start bit (Sta), said start bit (Sta) being transmitted on
said serial bus at a beginning of transmission of each of said
information entities;
b) prior to transmitting said information entities on
said serial bus each of said subscribers transmitting said
information entities waits a predetermined bus monitoring time
period prior to said transmitting;
c) setting a flag after one of said subscribers (ECU1
to ECU4) receives one of said information entities, said flag
being set indicating receipt of said information entity by
said subscriber;
d) monitoring a logic state of said serial bus with
each of said subscribers during said bus monitoring time
period (T ) thereof at a monitoring rate sufficiently high so
U
that receipt of one of said information entities is
immediately detected during receipt of said start bit (Sta) of
2
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