Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2008-04-15
2008-04-15
Lee, Benjamin C. (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S568200, C340S539170
Reexamination Certificate
active
07358856
ABSTRACT:
A conveyance tracking system provides two-phase transaction commit processing for synchronizing seal state information between a seal device attached to a conveyance and a host for tracking conveyances. The system uses a reader device for synchronization and communication between the seal device and host system regarding various operations, such as a lock operation, an unlock operation, and a clear tamper operation. In the first phase of the two-phase commit, the seal device prepares for the operation and the host executes the operation. In the second phase, the seal device fulfills the irreversible operation, ensuring that the seal state of the seal device and host are in sync.
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Alcock Andrew Edward Savige
Chan Joseph Siufai
Chang Leo Shang-Hua
Jeyakeerthi Jeyappragash
Rajapakse Ravindra U.
Fenwick & West LLP
Lee Benjamin C.
Savi Technology, Inc.
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