Communication system with master and slave exchanging...

Details Communication system with master and slave exchanging... Communication system with master and slave exchanging...

2010-07-01

2011-10-25

Auve, Glenna A (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

C714S017000, C714S043000, C714S056000

Reexamination Certificate

active

08046512

ABSTRACT:
A master includes a unit configured to register, for each slave, an expected communication time needed to exchange control data; a unit configured to register a slave in which a communication error is detected during exchange of the control data in a communication period; and a unit configured to re-execute exchange of the control data with the registered slave in the same communication period as that in which the communication error is detected. The unit configured to re-execute exchange of control data calculates a remaining resending time that can be used to re-execute exchange of the control data and, when the remaining resending time is longer than the expected communication time of the registered slave, resends the control data.

REFERENCES:
patent: 7769935 (2010-08-01), Fukuda et al.
patent: 2003/0169687 (2003-09-01), Bardini et al.
patent: 2006/0117226 (2006-06-01), Hirano
patent: 2007/0240019 (2007-10-01), Brady et al.
patent: 2008/0192661 (2008-08-01), Hamamoto et al.
patent: 2312358 (1997-10-01), None
patent: 08-033070 (1996-02-01), None
patent: 2006-254290 (2006-09-01), None
patent: WO 2005/119969 (2005-12-01), None
Japanese Office Action for corresponding JP Application No. 2008-551035, Nov. 4, 2010.
Machine-generated translation of JP08-033070A, publication date Feb. 2, 1996.
Machine-generated translation of 2006-254290A, publication date Sep. 21, 2006.

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