Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus access regulation
Reexamination Certificate
2011-03-22
2011-03-22
Misiura, Brian T (Department: 2111)
Electrical computers and digital data processing systems: input/
Intrasystem connection
Bus access regulation
C710S028000, C710S045000, C710S117000, C710S124000, C710S036000, C370S352000, C709S225000, C713S002000
Reexamination Certificate
active
07913011
ABSTRACT:
A method for employing a second bus controller on a data bus having a first bus controller including: (a) recording appearances of predetermined character groups on the data bus; (b) noting patterns of the appearances preceding a qualifying quiet period on the data bus; a qualifying quiet period being a time interval having a duration greater than a predetermined duration with no traffic on the data bus; (c) employing the patterns to determine probability of occurrence of a qualifying quiet period following at least one pattern; and (d) permitting the second bus controller to control operation of the data bus during a respective qualifying quiet period when the probability of occurrence for the respective qualifying quiet period is greater than a predetermined value.
REFERENCES:
patent: 5781783 (1998-07-01), Gunther et al.
patent: 6195768 (2001-02-01), Green
patent: 6742084 (2004-05-01), Defouw et al.
patent: 7020809 (2006-03-01), Kleppel et al.
patent: 7039734 (2006-05-01), Sun et al.
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patent: 2003/0140150 (2003-07-01), Kemp et al.
Website: http://en.wikipedia.org/wiki/MIL-STD-1553; Oct. 17, 2008.
Law office of Donald D. Mondul
Misiura Brian T
The Boeing Company
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