Securing method of data transfer and data transfer system...

Details Securing method of data transfer and data transfer system... Securing method of data transfer and data transfer system...

2007-06-26

2007-06-26

Baderman, Scott (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S005110, C714S025000

Reexamination Certificate

active

10413522

ABSTRACT:
A data transfer system is provided for preventing a slave device from operating erroneously or running out of control upon resuming communication after communication is interrupted due to the occurrence of abnormal circumstances such as a power failure and the like. A master device transmits a stop condition to the slave device for terminating communication and performs a power failure-processing task when abnormal circumstances such as a power failure or a momentary power failure occurs. The master device transmits a stop condition for terminating communication upon either the occurrence of abnormal circumstances or the resumption of communication subsequent to the recovery of the abnormal circumstances, and transmits a start condition for reestablishing communication after transmitting a stop condition to the slave device. The slave device terminates communication upon receipt of either stop condition and reestablishes communication upon receipt of a start condition.

REFERENCES:
patent: 6175933 (2001-01-01), Cadden
patent: 6457136 (2002-09-01), Sugiura
patent: 6480944 (2002-11-01), Bradshaw et al.
patent: 6658590 (2003-12-01), Sicola et al.
patent: 8-83243 (1996-03-01), None
patent: 9-265436 (1997-10-01), None
patent: 11-134308 (1999-05-01), None

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