Data exchange between users connected by a bus system and...

Details Data exchange between users connected by a bus system and... Data exchange between users connected by a bus system and...

2005-01-11

2005-01-11

Myers, Paul R. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

C710S110000, C710S124000, C710S314000, C710S060000, C710S061000, C713S500000, C713S501000, C713S502000, C713S503000

Reexamination Certificate

active

06842808

ABSTRACT:
A method and device for the exchange of data in messages between at least two users which are connected by a bus system and have separate time bases, the messages containing the data being transmitted by the users via the bus system; and a first user, in a function as timer, controls the messages as a function of time in such a way that it repeatedly transmits a reference message, which contains time information regarding the time base of the first user, via the bus at a specifiable time interval; the at least second user forms its own time information, using its time base, as a function of the time information of the first user; a correction value is ascertained from the two pieces of time information; and the second user adapts its time information and/or its time base as a function of the correction value.

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