Automatic resume from suspend for IEEE-1394 PHY

Details Automatic resume from suspend for IEEE-1394 PHY Automatic resume from suspend for IEEE-1394 PHY

2005-06-28

2005-06-28

Ray, Gopal C. (Department: 2111)

Electrical computers and digital data processing systems: input/

Input/output data processing

C712S035000, C712S225000, C718S100000, C370S463000

Reexamination Certificate

active

06912596

ABSTRACT:
A system and process are disclosed for automatically resuming data communication using an IEEE-1394 PHY when communication is suspended because input bias is momentarily lost. The PHY determines whether data communication is suspended due to the PHY being disconnected from a network by checking the status of a connected flag. If the connected flag is still set to TRUE, the PHY was not intentionally disconnected from the network and it automatically attempts to resume communication by setting a resume flag to TRUE. The invention finds application in any type of communication device using the IEEE-1394 high-speed serial bus standard including audio and video sources, which may readily be connected to a personal computer for data storage or editing. The system and process may be implemented using software code and included within a digital signal processor (DSP).

REFERENCES:
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patent: 6330584 (2001-12-01), Joffe et al.
patent: 6502207 (2002-12-01), Itoh et al.
patent: 6732191 (2004-05-01), Baker et al.
patent: 6795450 (2004-09-01), Mills et al.
“Consistent state restoration in shared memory systems” by Baldoni, R.; Helary, J.-M.; Mostefaoui, A.; Raynal., M. (abstract only Publication Date:Mar. 19-21, 1997.
“Searching with numbers” by Agrawal, R.; Srikant, R. (abstract only) Publication Date: Jul.-Aug. 2003.

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