Electrical computers and digital data processing systems: input/ – Input/output data processing – Flow controlling
Reexamination Certificate
2006-08-16
2010-02-02
Hafiz, Tariq R. (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Flow controlling
C710S008000, C710S015000, C710S052000
Reexamination Certificate
active
07657668
ABSTRACT:
A system synchronizes data flow between a first device and a second device. The system includes a data link that connects two or more devices that are capable of sending and receiving data through a bus. A capture device senses and transfer information through the bus. A ring buffer temporarily stores data transmitted through the bus. A read controller copies or reconstructs data in a length that is different from the length of the data received. A monitor detects underflow or overflow conditions into or out of the ring buffer and compensates for clock drift.
REFERENCES:
patent: 6594329 (2003-07-01), Susnow
patent: 6920578 (2005-07-01), Thompson et al.
patent: 2001/0014207 (2001-08-01), Kawamura et al.
patent: 2001/0040903 (2001-11-01), Negishi et al.
patent: 2006/0282566 (2006-12-01), Virdi et al.
patent: WO 2004/063931 (2004-07-01), None
Brinks Hofer Gilson & Lione
Hafiz Tariq R.
QNX Software Systems (Wavemakers), Inc.
Sun Scott
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