Data search device and gateway device in communication...

Details Data search device and gateway device in communication... Data search device and gateway device in communication...

2009-02-19

2011-10-18

Wong, Don (Department: 2163)

Data processing: database and file management or data structures

Database design

Database and data structure management

Reexamination Certificate

active

08041747

ABSTRACT:
A data search device that is provided in a communication apparatus detects a memory area storing data to be transmitted from a memory unit having memory areas defined by IDs allotted to data. The data search device includes: a first flag that is provided for each of the memory areas of the memory unit, and indicate whether the data in the corresponding memory area is updated; a second flag that is provided for each group consisting of a predetermined number of the first flags, and indicates a data update state when at least one set of data in the first flags in the corresponding group indicates an updated state; and a search control unit that detects the memory area storing the data to be transmitted, by searching for the corresponding first flag after detecting the second flag.

REFERENCES:
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patent: 5218680 (1993-06-01), Farrell et al.
patent: A-07-044431 (1995-02-01), None
patent: A-2000-244548 (2000-09-01), None
patent: A-2005-159568 (2005-06-01), None
patent: A-2007-179479 (2007-07-01), None
Japanese Office Action issued in Japanese Patent Application No. 2009-036036 on Dec. 8, 2009. (with translation).

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