Method of determining request transmission priority subject...

Details Method of determining request transmission priority subject... Method of determining request transmission priority subject...

2011-03-22

2011-03-22

Misiura, Brian T (Department: 2111)

Electrical computers and digital data processing systems: input/

Access arbitrating

Access prioritizing

C710S111000, C710S113000, C710S119000, C710S263000, C710S264000, C710S310000, C711S150000, C709S225000

Reexamination Certificate

active

07913016

ABSTRACT:
A method of determining request transmission priority subject to request source and transmitting request subject to such request transmission priority in application of Fieldbus communication framework in which the communication device determines whether the received requests have the priority subject to the respective source and also determines whether there is any logical operation condition established, and then the communication device transmits the received external requests to the connected slave device as an ordinary request or priority request, preventing the slave device from receiving an important external request sent by the main control end or manager at a late time.

REFERENCES:
patent: 6111888 (2000-08-01), Green et al.
patent: 6154800 (2000-11-01), Anand
patent: 6629247 (2003-09-01), Hall et al.
patent: 6813767 (2004-11-01), Willke
patent: 2007/0204081 (2007-08-01), Herz
patent: 2008/0043766 (2008-02-01), Bryngelson et al.
patent: 2008/0228978 (2008-09-01), Wei et al.
patent: 2008/0229084 (2008-09-01), Wei et al.
CAN Specification Version 2.0, Part A; Date Unkown, 31 pages.
SAMSON—Technical Information “FOUNDATION Fieldbus”—Date Unknown, 44 pages.
Franco, L.R.H.R, “Transmission Scheduling for Fieldbus: a Strategy to Schedule Data and Messages on the Bus with End-to-End Constraints,” Nov. 5, 1996, IEEE Internaional Joint Symposia on Intelligence and Systems, pp. 148-155.
CAN Specification Version 2.0, Part B; Date Unknown, 38 pages.

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