Waking a main computer system to pre-fetch data for an auxiliary computing ...

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Prior Publication Data

US 2006/0129855 Al Jun. 15, 2006

Int. CI.

G06F 3/00 (2006.01)
G06F13/12 (2006.01)

U.S. CI 710/15; 710/16; 710/17;

710/18; 710/36; 710/62

Field of Classification Search None

See application file for complete search history.

References Cited

U.S. PATENT DOCUMENTS

(Continued)
FOREIGN PATENT DOCUMENTS
EP 0772327 A2 5/1997

(Continued)

OTHER PUBLICATIONS

Anonymous, International Search Report in Corresponding EP Application No. EP 04 00 9868.

(Continued)

Primary Examiner—Alan Chen

(74) Attorney, Agent, or Firm—Workman Nydegger

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ABSTRACT

An auxiliary computing device wakes an associated main computer system to obtain data as needed, on-demand and/or in anticipation of demand. The wakeup operation is ordinarily temporary to fetch data, whereby only a small amount of power is consumed by the main computer system. In one implementation, a control channel between the auxiliary device and the main computer system is used to signal a wakeup. A main data channel is used to obtain the data, whereby the auxiliary device has access to a larger amount of data than it can cache. Moreover, the components of the main computer system may be leveraged, such as to use the main computer system's digital rights management mechanisms. Additional data may be intelligently requested by the auxiliary device while the main computer system is powered up, e.g., to buffer media, and/or request a synchronization of calendar data, email data, and so forth.

12 Claims, 8 Drawing Sheets

FOREIGN PATENT DOCUMENTS

EP 0777394 Al 6/1997

EP 00816990 1/1998

EP 0838934 Al 4/1998

EP 0772327 A3 2/1999

WO WO9602049 Al 1/1996

WO WO/01/69387 9/2001

WO 03/085960 10/2003

OTHER PUBLICATIONS

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